• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/94

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

94 Cards in this Set

  • Front
  • Back
Taste buds are both
exteroceptors and chemoreceptors.
Pain that is perceived as being superficial but actually is caused by an underlying organ is called
referred pain
Visceroceptors are located in
Internal organs
The receptors responsible for sensing crude and persistent touch are the
Ruffini corpuscles.
The organ of Corti is located in the
cochlear duct
The sense organs responsible for static equilibrium are located in the
utricle.
saccule.
Presbyopia is a condition resulting from:
loss of lens elasticity
structure of the middle ear
Incus
Stapes
Auditory tube
Proprioceptors can be found in
skeletal muscles
Taste buds can be found
in the lining of the mouth.
on the soft palate.
on the tongue.
Nerve impulses over the ____ nerve cause increased peristalsis and decreased heart rate.
vagus
The spinal nerves are connected to the spinal cord and consist of
31 pairs
Damage to the ____ nerve could make the diaphragm unable to function.
phrenic
the neurotransmitter(s) in a somatic motor pathway
Acetylcholine
the autonomic nervous system
It operates without conscious control.
It regulates visceral activities.
All of its neurons are motor.
an effector of the autonomic nervous system
Blood vessels
Sweat glands
Iris of the eye
The autonomic nervous system functions chiefly in the
innervation of smooth muscle in the viscera.
Once inside the sympathetic chain ganglion, the preganglionic fiber may:
synapse with a sympathetic postganglionic neuron.
send ascending and/or descending branches through the sympathetic trunk to synapse with postganglionic neurons in other chain ganglia.
pass through one or more ganglia without synapsing.
Parasympathetic neuron cell bodies are located in
nuclei of the brainstem and the lateral gray columns of the sacral cord.
examples of parasympathetic stimulation
contraction of the urinary bladder.
relaxation of the sphincters of the digestive tract.
increased salivation.
Norepinephrine is liberated at
most sympathetic postganglionic nerve endings
Propranolol is an example of
a beta blocker.
a drug used to treat irregular heartbeats.
a drug used to treat hypertension.
Cerebrospinal fluid is formed by filtration of blood in the
choroid plexuses.
Nerve fibers of the spinothalamic tract are
sensory.
The brainstem includes the
pons.
medulla.
midbrain.
The part of the brain that can influence the release of hormones or the endocrine system is the:
hypothalamus
Impulses from which system play a part in arousing or alerting the cerebrum
Reticular activating system
The cerebrospinal fluid resides in the
ventricles of the brain.
subarachnoid space.
central canal of the spinal cord.
The white matter of the cerebellum is called the
arbor vitae.
The corpus callosum connects the:
cerebral hemispheres
The foramen magnum is the structure that divides the
medulla oblongata from the spinal cord
Endocrine glands may be made up of
glandular epithelium.
neurosecretory tissue.
Tropic hormones
target other endocrine glands and stimulate their growth and secretion.
The production of thyroid hormone is stimulated by another hormone from the
anterior pituitary
The neurohypophysis serves as a storage and release site for
antidiuretic hormone.
oxytocin.
The principal thyroid hormone is
triiodothyronine
The common molecule from which all steroid hormones are derived is
cholesterol.
The term "down-regulation" refers to
the reduction of the number of hormone receptors in a cell
Regulation of osmolality
Sodium
Inversely related to HCO3 concentration
Chloride
Major determinant of resting membrane potential
Potassium
ATP is an intracellular metabolic form or organic form of which inorganic cation
Phosphate
Acts as an intracellular and extracellular anion buffer
Phosphate
Constricts peripheral vessels to increase blood pressure
Norepinephrine
Dilates pupils
Norepinephrine
Increases cardiac output by increasing hart rate and myocardial contractility
Epinephrine
Dilates blood vessels of skeletal muscles allowing greater oxygenation
Epinephrine
Decreases glucose uptake in muscles
Epinephrine
Decreases insulin release
Epinephrine
Increases gastric secretions
Cortisol
Forms glucose from amino acids and free fatty acids
Cortisol
In the axon terminal of the presynaptic motor neuron, the second difusion event is
Calcium through voltage gated calcium channels
In the synapse between the axon terminal of the presynaptic cell and the postsynaptic motor fiber cell, the primary difusion event is
ACH resulting from the synaptic vessicle fusion with the presynaptic membrane
In the skeletal muscle endplate, the postsynaptic motor fiber, the first difusion event is:
Sodium through ligand gated sodium channels
In the skeletal muscle endplate, the postsynaptic motor fiber, the second difusion event is
Sodium through voltage gated sodium channels
In the skeletal muscle fiber cell, sarcoplasmic reticulum of the postsynaptic motor fiber, the primary difusion event is:
Calcium through voltage gated calcium channels
In the skeletal muscle fiber cell, sarcoplasm of the postsynaptic motor fiber, the primary difusion event is:
Calcium to troponin
Tic douloureux is a painful neuralgia of the ____ nerve
trigeminal
Which plexus contains nerves that innervate the lower part of the shoulder and the entire arm
Brachial
A mixed nerve is one that
carries both sensory and motor fibers.
The phrenic nerve is found in the
cervical plexus
Nerves that innervate the floor of the pelvic cavity and some of the surrounding areas are found in the
coccygeal plexus
The knee jerk may be classified as a segmental reflex because
impulses that mediate it enter and leave the same segment of the cord.
Somatic reflexes consist of
contractions of skeletal muscles
Sympathetic responses generally have widespread effects on the body because
preganglionic fibers synapse with several postsynaptic fibers
Beta receptors bind to
norepinephrine
An effect of cortisol is
decrease immune response
Corticotropin-releasing hormone (CRH) is released by the ____ in response to stress
hypothalamus
Alarm reaction responses resulting from the hypertrophy of the adrenal cortex include:
hyperglycemia.
decreased immunity.
decreased allergic responses.
The antibody normally constituting the highest percentage of antibodies in the blood is
IgG.
The predominant antibody of a secondary response is
IgG.
The antibody commonly found in tears and saliva is
IgA.
The major class of antibody present in the mucous membranes of the body is:
IgA.
The antibody associated with allergic reaction is:
IgE.
major types of interferon
leukocyte interferon.
immune interferon.
fibroblast interferon.
B cell mechanisms are classified as
antibody-mediated immunity
become plasma cells when exposed to an antigen
Memory cells
Interferon inhibits the spread of:
viruses.
Adaptive immunity is also called
specific immunity
When an antigen attaches to a naïve B cell, it becomes
a memory cell.
a plasma cell.
an effector B cell.
In the first stage of their development, B cells are known by
naïve B cells.
inactive B cells.
virgin B cells.
Why is potassium able to diffuse easily in and out of cells?
Because the resting plasma membrane is more permeable to potassium
What is the action of calcitonin?
Decreases serum calcium
The smallest contractile unit of muscle is made up of
Proteins.
In an embryo, newborn or child, the proliferation of cells in response to stimulation is called:
hyperplasia.
Which second messenger is stimulated by epinephrine binding to a ß-adrenergic receptor?
Cyclic adenosine monophosphate (cAMP)
primary method of deriving energy from the substrate Glycogen, glucose, glactose
Glycolysis
where is Vitamine D3 is activated
In the kidney folowing activation by parathyroid hormone
What is the action of natriuretic peptides?
They decrease blood pressure and increase sodium and water excretion.
In the classification of exocrine glands, the mammary gland which pinches off a section of the cells cytoplasm is:
Apocrine
In the classification of exocrine glands, the sebaceous gland which secrets oil as the cell ruptures completely is:
Holocrine
In the classification of exocrine glands, the salivary gland which remains intact and secrets its product directly through the cell membrane is:
Merocrine
Where are antibodies produced?
RER and Golgi
the primary method of deriving energy from the substrate Glycine,glygerol, glucagon, growth hormone
Krebs