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125 Cards in this Set
- Front
- Back
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1) Glands are derived from:
a. Nervous tissue b. Connective tissue c. Muscular tissue d. Epithelial tissue |
d. Epithelial tissue
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Cells are joined closely together in:
a. Nervous tissue b. Connective tissue c. Muscular tissue d. Epithelial tissue |
d. Epithelial tissue
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3) Cells are separated by large extracellular spaces in:
a. Nervous tissue b. Connective tissue c. Muscular tissue d. Epithelial tissue |
b. Connective tissue
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Blood vessels and nerves are usually located with:
a. Nervous tissue b. Connective tissue c. Muscular tissue d. Epithelial tissue |
b. Connective tissue
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Most organs are composed of:
a. epithelial tissue b. muscle tissue c. connective tissue d. all of these |
d. all of these
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6) Sweat is excreted by exocrine glands, this means that:
a. it is produced by epithelial cells b. it is a hormone c. it is secreted into a duct d. it is produced outside the body |
c. it is secreted into a duct
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Which of these statements about homeostasis is true?
a. the internal environment is maintained absolutely constant b. negative feedback mechanisms act to correct deviations from a normal range within the internal environment c. homeostasis is maintained by switching effector action on and off d. all of these are true |
b. negative feedback mechanisms act to correct deviations from a normal range within the internal environment
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8) In a negative feedback loop, the effector organ produces changes that are:
a. in the same direction as the change produced by the initial stimulus b. opposite in direction to the change produced by the initial stimulus c. unrelated to the initial stimulus |
b. opposite in direction to the change produced by the initial stimulus
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A hormone called parathyroid hormone acts to help raise the blood calcium concentrations. According to the principles of negative feedback, an effective stimulus for parathyroid hormone secretion would be:
a. a fall in blood calcium b. a rise in blood calcium |
a. a fall in blood calcium
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Which of these consists of dense parallel arrangements of collagen fibers?
a. skeletal muscle tissue b. nervous tissue c. tendons d. dermis of the skin |
c. tendons
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The act of breathing raises the blood oxygen level, lowers the blood carbon dioxide concentration and raises the blood PH. According to the principles of negative feedback, sensors that regulate breathing should respond to:
a. a rise in blood oxygen b. a rise in blood PH c. a rise in blood carbon dioxide d. all of these |
c. a rise in blood carbon dioxide
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Which of these statements about atoms are true?
a. they have more protons than electrons b. they have more electrons than protons c. they are electrically neutral d. they have a s many neutrons as they have electrons |
c. they are electrically neutral
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The bond between oxygen and hydrogen in a water molecule is:
a. a hydrogen bond b. a polar covalent bond c. a nonpolar covalent bond d. an ionic bond |
b. a polar covalent bond
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Which of these is a nonpolar covalent bond?
a. bond between two carbons b. bond between sodium and chloride c. bond between two water molecules d. bond between nitrogen and hydrogen |
a. bond between two carbons
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Solution A has a PH of 2 and solution B has a PH of 10, Which of these statements about these solutions is true?
a. solution A has a higher H+ concentration than B solution b. solution B is basic c. solution A is acidic d. all of these are true |
d. all of these are true
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Glucose is:
a. a disaccharide b. a polysaccharide c. a monosaccharide d. a phospholipid |
c. a monosaccharide
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Digestion reactions occur by means of:
a. dehydration synthesis b. hydrolysis |
b. hydrolysis
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Carbohydrates are stored in the liver and muscles in the form of:
a. glucose b. triglycerides c. glycogen d. cholesterol |
c. glycogen
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Lecithin is:
a. a carbohydrate b. a protein c. a steroid d. a phospholipids |
d. a phospholipids
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Which of these lipids have regulatory roles in the body?
a. steroids b. prostaglandins c. trigycerides d. both a and b e. both b and c |
d. both a and b
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The tertiary structure of a protein is directly determined by:
a. genes b. the primary structure of the protein c. enzymes that “mold” the shape of the protein d. the position of peptide bonds |
b. the primary structure of the protein
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11) The type of bond formed between two molecules of water is:
a. a hydrolytic bond b. a polar covalent bond c. a nonpolar covalent bond d. a hydrogen bond |
d. a hydrogen bond
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The carbon to nitrogen bond that joins amino acids together is called:
a. a glycosidic bond b. a peptide bond c. a hydrogen bond d. a double bond |
b. a peptide bond
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The RNA nucleotide base that pairs with adenine in DNA is:
a. thymine b. uracil c. guanine d. cytosine |
b. uracil
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If four bases in one DNA strand are A (adenine), G (guanine), C (cytosine), and T (thymine), the complimentary bases in the RNA strand made from this region are:
a. T,C,G,A b. C,G,A,U c. A,G,C,U d. U,C,G,A |
d. U,C,G,A
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According to the fluid- mosaic model of the plasma membrane:
a. a protein and phospholipids from a regular, repeating structure b. the membrane is a rigid structure c. phospholipids form a double layer, with the polar parts facing each other d. proteins are free to move within a double layer of phospholipids |
d. proteins are free to move within a double layer of phospholipids
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after the DNA molecule has replicated itself, the duplicate strands are called
a. homologous chromosomes b. chromatids c. centromeres d. spindle fibers |
b. chromatids
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Nerve and skeletal muscle cells in the adult, which do not divide, remain in the:
a. G1 phase b. S phase c. G2 phase d. M phase |
a. G1 phase
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The phase of mitosis in which the chromosomes line up at the equator of the cells is called:
a. interphase b. prophase c. metaphase d. anaphase e. telophase |
c. metaphase
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The phase of mitosis in which the chromatids separate is called:
a. interphase b. prophase c. metaphase d. anaphase e. telophase |
d. anaphase
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Chemical modifications of histone proteins are believed to directly influence:
a. genetic transcription b. genetic translation c. both transription and translation d. posttranslational changes in the newly synthesized proteins |
b. genetic translation
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Which of these statements about RNA is true?
a. it is made in the nucleus b. it is double stranded c. it contains the sugar deoxyribose d. it is a complementary copy of the entire DNA molecule |
a. it is made in the nucleus
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Which of these statements about mRNA is false?
a. it is produced as a larger pre-mRNA b. it forms associations with ribosomes c. its base triplets are called anticodons d. it codes for the synthesis of specific proteins |
c. its base triplets are called anticodons
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The organelle that combines protein with carbohydrates and packages them within vesicles for secretion:
a. the Golgi complex b. the granular endoplasmic reticulum c. the agranular endoplasmic reticulum d. the ribosome |
a. the Golgi complex
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The organelle that contains digestive enzymes is:
a. the mitochondrion b. the lysosome c. the endoplasmic reticulum d. the Golgi complex |
b. the lysosome
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Which of these descriptions of rRNA is true?
a. it is single stranded b. it catalyzes steps in protein synthesis c. it forms part of the structure of both subunits of a ribosome d. it is produced in the nucleolus e. all of these are true |
d. it is produced in the nucleolus
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Which of these statements about tRNA is true?
a. it is made in the nucleus b. it is looped back on itself c. it contains the anticodon d. there are over twenty different types e. all of these are true |
e. all of these are true
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The step in protein synthesis during which tRNA, rRNA, and mRNA are all active is known as:
a. transcription b. translation c. replication d. RNA polymerization |
b. translation
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The anticodons are located in:
a. tRNA b. rRNA c. mRNA d. ribosomes e. endoplasmic reticulum |
a. tRNA
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The movement of water across a plasma membrane occurs by:
a. an active transport water pump b. a facilitated diffusion carrier c. simple diffusion through membrane channels d. all of these |
c. simple diffusion through membrane channels
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Which of these statements about the facilitated diffusion of glucose is true?
a. there is a net movement from the region of lower to the region of higher concentration b. carrier proteins in the cell membrane are required for this transport c. this transport requires energy obtained from ATP d. it is an example of cotransport |
b. carrier proteins in the cell membrane are required for this transport
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If a poison such a cyanide stopped the production of ATP, which of the following transport processes would cease?
a. the movement of Na+ out of cell b. osmosis c. the movement of K+ out of cell d. all of these |
a. the movement of Na+ out of cell
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Red blood cells crenate in
a. a hypotonic solution b. an isotonic solution c. a hypertonic solution |
c. a hypertonic solution
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Plasma has an osmolality of about 300 mOsm. The osmolality of isotonic saline is equal to
a. 150 mOsm b. 300 mOsm c. 600 mOsm d. none of these |
b. 300 mOsm
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The most important diffusible ion in the establishment of the membrane potential is:
a. K- b. Na + c. Ca 2+ d. Cl- |
a. K-
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Which of these statements about the facilitated diffusion of glucose is true?
a. there is a net movement from the region of lower to the region of higher concentration b. carrier proteins in the cell membrane are required for this transport c. this transport requires energy obtained from ATP d. it is an example of cotransport |
b. carrier proteins in the cell membrane are required for this transport
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Which of these statements regarding an increase in blood osmolality is true?
a. it can occur as a result of dehydration b. it causes a decrease in blood osmotic pressure c. it is accompanied by a decrease in ADH secretion d. all of these are true |
a. it can occur as a result of dehydration
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If a poison such a cyanide stopped the production of ATP, which of the following transport processes would cease?
a. the movement of Na+ out of cell b. osmosis c. the movement of K+ out of cell d. all of these |
a. the movement of Na+ out of cell
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In hyperkalemia, the resting membrane potential:
a. moves farther from 0 millivolts b. moves closer to 0 millivolts c. remains unaffected |
b. moves closer to 0 millivolt
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Red blood cells crenate in
a. a hypotonic solution b. an isotonic solution c. a hypertonic solution |
c. a hypertonic solution
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Which of these statements about the Na+/K+ pump is true?
a. Na+ is actively transported into the cell b. K- is actively transported out of the cell c. An equal number of Na+ and K+ ions are transported with each cycle of the pump d. The pumps are constantly active in the cells |
d. The pumps are constantly active in the cells
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Plasma has an osmolality of about 300 mOsm. The osmolality of isotonic saline is equal to
a. 150 mOsm b. 300 mOsm c. 600 mOsm d. none of these |
b. 300 mOsm
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Which of these statements about carrier mediated facilitated diffusion is true?
a. it uses cellular ATP b. it is used for cellular uptake of blood glucose c. it is a form of active transport d. none of these are true |
b. it is used for cellular uptake of blood glucose
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The most important diffusible ion in the establishment of the membrane potential is:
a. K- b. Na + c. Ca 2+ d. Cl- |
a. K-
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Which of these statements comparing a 0.5 m NaCl solution and a 1.0 m glucose solution is true?
a. they have the same osmolality b. they have the same osmotic pressure c. they are isotonic to each other d. all of these are true |
d. all of these are true
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Which of these statements regarding an increase in blood osmolality is true?
a. it can occur as a result of dehydration b. it causes a decrease in blood osmotic pressure c. it is accompanied by a decrease in ADH secretion d. all of these are true |
a. it can occur as a result of dehydration
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In hyperkalemia, the resting membrane potential:
a. moves farther from 0 millivolts b. moves closer to 0 millivolts c. remains unaffected |
b. moves closer to 0 millivolt
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Which of these statements about the Na+/K+ pump is true?
a. Na+ is actively transported into the cell b. K- is actively transported out of the cell c. An equal number of Na+ and K+ ions are transported with each cycle of the pump d. The pumps are constantly active in the cells |
d. The pumps are constantly active in the cells
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Which of these statements about carrier mediated facilitated diffusion is true?
a. it uses cellular ATP b. it is used for cellular uptake of blood glucose c. it is a form of active transport d. none of these are true |
b. it is used for cellular uptake of blood glucose
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Which of these statements comparing a 0.5 m NaCl solution and a 1.0 m glucose solution is true?
a. they have the same osmolality b. they have the same osmotic pressure c. they are isotonic to each other d. all of these are true |
d. all of these are true
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Which of these is not an example of cotransport?
a. movement of glucose and Na+ through the apical epithelial membrane in the intestinal epithelium b. movement of Na+ and K+ though the action of the Na+/K+ pumps c. movement of Na+ and glucose across the kidney tubules d. movement of Na+ into a cell while Ca2+ moves out |
b. movement of Na+ and K+ though the action of the Na+/K+ pumps
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The supporting cells that form the myelin sheaths in the peripheral nervous system are:
a. oligodendrocytes b. satellite cells c. schwann cells d. astrocytes e. microglia |
c. schwann cells
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A collection of neuron cell bodies located outside the CNS is called:
a. a tract b. a nerve c. a nucleus d. a ganglion |
d. a ganglion
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Which of these neurons are pseudounipolar?
a. sensory neurons b. somatic motor neurons c. neurons in the retina d. autonomic motor neurons |
a. sensory neurons
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Depolarization of an axon is produced by:
a. inward diffusion if Na+ b. active extrusion of K+ c. outward diffusion of K+ d. inward active transport of Na+ |
a. inward diffusion if Na+
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Repolarization of an axon during an action potential is produced by:
a. inward diffusion of Na+ b. active extrusion of K+ c. outward diffusion of K+ d. inward active transport of Na+ |
c. outward diffusion of K+
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As the strength of a depolarizing stimulus to an axon is increased:
a. the amplitude of the action potentials increases b. the duration of action potentials increase c. the speed with which action potentials are conducted increases d. the frequency with which action potentials are produced increases |
d. the frequency with which action potentials are produced increases
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The conduction of action potentials in a myelinated nerve fiber is:
a. saltatory b. without decrement c. faster than in an unmyelinated fiber d. all of these |
d. all of these
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Which of these is not a characteristic of synaptic potentials?
a. they are all or none in amplitude b. they decrease in amplitude with distance c. they are produced in dendrites and cell bodies d. they are graded in amplitude e. they are produced by chemically regulated gates |
a. they are all or none in amplitude
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Which of these is not a characteristic of action potentials?
a. they are produced by voltage regulated gates b. they are conducted without decrement c. Na+ and K+ gates open at the same time d. the membrane potential reverses polarity during depolarization |
c. Na+ and K+ gates open at the same time
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A drug that inactivates acetylcholinesterase:
a. inhibits the release of Ach from presynaptic endings b. inhibits the attachment of Ach to its receptor protein c. increases the ability of Ach to stimulate muscle contraction d. all of these |
c. increases the ability of Ach to stimulate muscle contraction
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Postsynaptic inhibition is produced by:
a. depolarization of the postsynaptic membrane b. hyperpolarization of the postsynaptic membrane c. axoaxonic synapses d. long term potentiation |
b. hyperpolarization of the postsynaptic membrane
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Hyperpolarization of the postsynaptic membrane in response to glycine or GABA is produced by the opening of:
a. Na+ channels b. K+ channels c. Ca2+ channels d. Cl- channels |
d. Cl- channels
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The absolute refractory period of a neuron:
a. is due to high negative polarity of the inside of the neuron b. occurs only during the repolarization phase c. occurs only during the depolarization phase d. occurs during depolarization and the first part of the repolarization phase. |
d. occurs during depolarization and the first part of the repolarization phase.
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What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid called?
a. ependymal cells b. schwann cells c. oligodendrocytes d. astrocytes |
a. ependymal cells
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The summation of ESPSs from numerous presynaptic nerve fibers converging onto one postsynaptic neuron is called:
a. spatial summation b. long term potentiation c. temporal summation d. synaptic plasticity |
a. spatial summation
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Which of these statements about ACH receptors is false?
a. Skeletal muscles contain nicotinic ACh receptors b. The heart contains muscarinic Ach receptors c. G proteins are needed to open ion channels for nicotinic receptors d. Stimulation of nicotinic receptors result in the production of ESPs |
c. G proteins are needed to open ion channels for nicotinic receptors
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Hyperpolarization is caused by all of these neurotransmitters except:
a. glutamic acid in the CNS b. ACh in the heart c. Glycine in the spinal cord d. GABA in the brain |
a. glutamic acid in the CNS
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Which of these may be produced by the action of nitric oxide?
a. dilation of blood vessels b. erection of the penis c. relaxation of smooth muscles in the digestive tract d. long-term potentiation (LTP) among neighboring synapses in the brain e. all of these |
e. all of these
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Which of these statements about the precentral gyrus is true?
a. it is involved in motor control b. it is involved in sensory reception c. it is located in the frontal lobe d. both a and c are true e. both b and c are true |
d. both a and c are true
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In most people, the right hemisphere controls movement of:
a. the right side of the body primarily b. the left side of the body primarily c. both the right and left sides of body equally d. the head and the neck only |
b. the left side of the body primarily
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Which of these statements about the basal nuclei is true?
a. they are located in the cerebrum b. they contain the caudate nucleus c. they are involved in motor control d. they are part of the extrapyramidal system e. all of these are true |
e. all of these are true
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Which of these act as a relay center for the somatoesthetic sensation?
a. the thalamus b. the hypothalamus c. the red nucleus d. the cerebellum |
a. the thalamus
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Which of these statements about the medulla oblongata is false?
a. it contains nuclei for some cranial nerves b. it contains the apneustic center c. it contains the vasomotor center d. it contains ascending and descending fiber tracts |
b. it contains the apneustic center
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The reticular activating system:
a. is composed of neurons that are part of the reticular formation b. is a loose arrangement of neurons with many interconnecting synapses c. is located in the brain stem and midbrain d. functions to arouse the cerebral cortex to incoming sensory information e. is described correctly by all of these |
e. is described correctly by all of these
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In the control of emotion and motivation the limbic system works together with:
a. the pons b. the thalamus c. the hypothalamus d. the cerbellum e. the basal nuclei |
c. the hypothalamus
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Verbal ability predominates in:
a. the left hemisphere of right handed people b. the left hemisphere of left handed people c. the right hemisphere of 97% of all people d. both a and b e. both b and c |
d. both a and b
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The consolidation of short term memory into long-term memory appears to be a function of :
a. the substantia nigra b. the hippocampus c. the cerebral peduncles d. the arcuate fasciculus e. the precentral gyrus |
b. the hippocampus
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Comprehension good, can speak and write, but cannot read (although can see):
a. damage to Broca’s area b. damage to Wernicke’s area c. damage to angular gyrus d. damage to precentral gyrus |
c. damage to angular gyrus
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Comprehension good, speech is fluent but meaningless:
a. damage to Broca’s area b. damage to Wernicke’s area c. damage to angular gyrus d. damage to precentral gyrus |
b. damage to Wernicke’s area
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Antidiuretic hormone (ADH) and oxytocin are synthetized by supraoptic and paraventricular nuclei, which are located in:
a. the thalamus b. the pineal gland c. the pituitary gland d. the hypothalamus e. the pons |
d. the hypothalamus
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When a visceral organ is denervated:
a. it cease to function b. it becomes less sensitive to subsequent stimulation by neurotransmitters c. it becomes hypersensitive to subsequent stimulations |
c. it becomes hypersensitive to subsequent stimulations
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Parasympathetic ganglia are located:
a. in a chain parallel to the spinal cord b. in the dorsal roots of spinal nerves c. next to or within the organs innervated d. in the brain |
c. next to or within the organs innervated
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Comprehension good, speech is slow and difficult (but motor ability is not damaged):
a. damage to Broca’s area b. damage to Wernicke’s area c. damage to angular gyrus d. damage to precentral gyrus |
a. damage to Broca’s area
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The superior colliculi are twin bodies within the corpora quadrigemina of the midbrain that are involved in:
a. visual reflexes b. auditory reflex c. relaying of cutaneous information d. release of pituitary hormones |
a. visual reflexes
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The neurotransmitter of preganglionic sympathetic fibers is:
a. norepinephrine b. epinephrine c. acetycholine d. dopamine |
c. acetycholine
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Which of these results from stimulation of alpha-adrenergic receptors?
a. constriction of blood vessels b. dilation of bronchioles c. decrease heart rate d. sweat gland secretion |
a. constriction of blood vessels
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Which of these fibers release norepinephrine?
a. preganglionic parasympathetic fibers b. postganglionic parasympathetic fibers c. postganglionic sympathetic fibers of the heart d. postganglionic sympathetic fibers in sweat glands e. all of these |
c. postganglionic sympathetic fibers of the heart
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The effects of sympathetic and parasympathetic fibers are cooperative in:
a. the heart b. the reproductive system c. the digestive system d. they eyes |
b. the reproductive system
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Propranolol is a beta blocker. It would therefore cause:
a. vasodilation b. slowing of the heart rate c. increased blood pressure d. secretion of saliva |
b. slowing of the heart rate
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Atropine blocks parasympathetic nerve effects. It would therefore cause:
a. dilation of the pupils b. decreased mucus secretion c. decreased movement of the digestive tract d. increased heart rate e. all of these |
e. all of these
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Which area of the brain is most directly involved in the reflex control of the autonomic system?
a. hypothalamus b. cerebral cortex c. medulla oblongata d. cerebellum |
c. medulla oblongata
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The two subtypes of cholinergic receptors are:
a. andrenergic and nicotinic b. dopaminergic and muscarinic c. nicotinic and muscarinic d. nicotinic and dopaminergic |
c. nicotinic and muscarinic
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A fall in cyclic AMP within the target cell occurs when norepinephrine binds to which of the adrenergic receptors?
a. Alpha1 (x1) b. Alpha2 (x2) c. Beta1 (B1) d. Beta2 (B2) |
b. Alpha2 (x2
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A drug that serves as an agonist for Alpha2 receptors can be used to:
a. increase the heart rate b. decrease the heart rate c. dilate the bronchioles d. constrict the bronchioles e. constrict the blood vessels |
b. decrease the heart rate
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Which of these statements about hypothalamic releasing hormones is true?
a. they are secreted into the capillaries in the median eminence b. they are transported by portal veins to the anterior pituitary c. they stimulate the secretion of specific hormones from the anterior pituitary d. all of these are true |
d. all of these are true
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The hormone primarily responsible for setting the basal metabolic rate and promoting the maturation of the brain is:
a. cortisol b. ACTH c. TSH d. Thyroxine |
d. Thyroxine
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Which of these statements about the adrenal cortex is true?
a. it is not innervated by nerve fibers b. it secretes some androgens c. the zona glomerulusa secretes aldosterone d. the zona fasciculate is stimulated by ACTH e. all of these are true |
e. all of these are true
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Which of these statements abut the hormone insulin is true?
a. it is secreted by alpha cells in the islets of langerhans b. it is secreted in response to a rise in blood glucose c. it stimulates the production of glycogen and fat d. both a and b are true e. both b and c are true |
e. both b and c are true
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Match the hormone with the primary agent that stimulates its secretion:
1. epinephrine----------------A. TSH 2. thyroxine-------------------B. ACTH 3. corticosteriods-----------C. growth hormone 4. ACTH-----------------------D. sympathetic nerves ------------------------------------E. CRH |
1. epinephrine + sympathetic nerves
2. thyroxine + TSH 3. corticosteriods + ACTH 4. ACTH + CRH |
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Steroid hormones are secreted by:
a. the adrenal cortex b. the gonads c. the thyroid d. both a and b e. both b and c |
d. both a and b
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The secretion of which of these hormones would be increased in a person with endemic goiter?
a. TSH b. thyroxine c. triiodothyroxine d. all of these |
a. TSH
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Which of these hormones uses cAMP as a second messenger?
a. testosterone b. cortisol c. insulin d. epinephrine |
d. epinephrine
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Which of these terms best describes the interaction of insulin and glucagons?
a. synergistic b. permissive c. antagonistic d. cooperative |
c. antagonistic
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Which of these correctly describe the role of inositol triphosphate in hormone reaction?
a. it activates adenylate cyclase b. it stimulates the release of Ca2+ from the endplasmic reticulum c. it activates protein kinase d. all of these |
b. it stimulates the release of Ca2+ from the endplasmic reticulum
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Which of these hormones may have a primary role in many circadian rythms?
a. estradiol b. insulin c. adrenocorticotropic hormone d. melatonin |
d. melatonin
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Human chorionic gonadotropin (HCG) is secreted by:
a. the anterior pituitary b. the posterior pituitary c. the placenta d. the thymus e. the pineal gland |
c. the placenta
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What do insulin like growth factors, neurotrophins, nitric oxide, and lymphokines have in common?
a. they are hormones b. they are autocrine or paracrine regulators c. they are neurotransmitters d. they all use cAMP as a second messenger e. they all use Ca2+ as a second messenger |
b. they are autocrine or paracrine regulators
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which of the following is NOT a category of endocrine gland stimulus?
a. enzyme b. humoral c. neural d. hormonal |
a. enzyme
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which of the following is true regarding endocrine glands?
a. as the body matures, endocrine glands develop from specialized exocrine glands b. endocrine glands empty their products into a duct c. examples of endocrine glands include sweat glands and salivary glands d. endocrine glands are connective tissues that are specialized to produce and secrete a product e. endocrine glands produce and secrete hormones. |
e. endocrine glands produce and secrete hormones.
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gonadocorticoid(s):
a. synthesized by the adrenal medulla are primarily androgens b. production by the adrenal gland is insignificant compared w/ sex hormones release from the gonads during late puberty c. secretion inhibition is highly dependent on a negative feedback loop involving ACTH d. hypersecretion can result in adrenogenital syndrome, also called feminization |
b. production by the adrenal gland is insignificant compared w/ sex hormones release from the gonads during late puberty
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the hormone primarily responsible for setting the basal metabolic rate and for promoting the maturation of the brain is:
a. cortisol b. ACTH c. TSH d. thyroxine |
d. thyroxine
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several hormones are synthesized in the hypothalamus and transported to the anterior pituitary gland. the mechanism of transportation from hypothalamus to anterior pituitary gland is through the:
a. hepatic portal system b. general circulatory system c. hypophyseal portal system d. feedback loop |
c. hypophyseal portal system
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which of the following is NOT a steroid based hormone?
a. estrogen b. aldosterone c. epinephrine d. cortisone |
c. epinephrine
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the major targets of growth hormone are:
a. the blood vessels b. the adrenal glands c. the liver d. bones and skeletal muscles |
d. bones and skeletal muscles
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