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;
143 Cards in this Set
- Front
- Back
- 3rd side (hint)
Peripheral nervous system |
The autonomic nervous system is a subdivision |
|
|
Afferent neurons |
Sensory neurons |
|
|
Oligodendrocytes |
Glia cell produces myelin for cells in the brain |
|
|
Microglia |
Gila cells turn into microbe-eating cell in inflamed brain tissue |
|
|
Usually a result of a neuroma |
A statement that is not true of multiple sclerosis |
|
|
Sodium ions are allowed into the neuron |
This happens during a nerve impulse |
Charge moves like a wave |
|
Perineurium |
Membrane covering a fasicle |
|
|
Occurs only in the axons |
Saltatory conduction |
|
|
In Gray matter of the brain and spinal cord |
Where interneurons are located |
|
|
Helps regulate water balance and sleep cycles |
The cerebellum is NOT responsible for this function |
|
|
Extends from occipital bone to the third sacral vertebrae |
This is not true of the spinal cord |
|
|
Hydrocephalus |
Occurs when CSF builds up due to a narrowing or blockage of the ventricle or foramen leaving the ventricle |
|
|
Bell' s palsy |
Condition caused by compression, degeneration, or infection of the 7th cranial nerve. Results in paralysis of some or all facial features. |
Often associated with the shingles virus |
|
Between the technique mater and the pia mater and the ventricles of the brain |
Where CSF is found |
|
|
Skeletal muscles |
Somatic nervous system carries impulses from the brain and spinal cord to this: |
Voluntary |
|
Sympathetic postganglionic neuron is an adrenergic fiber |
This is true of adrenergic fibers |
|
|
Occipital lobe |
Lobe of cerebrum responsible for visual perception |
|
|
Sympathetic postganglionic neuron is a cholingeric fiber |
Not true of cholingeric fibers |
|
|
Medulla oblongata, midbrain, and pons |
Three divisions of the brain that makeup the brainstem |
|
|
31 |
Pairs of spinal nerves connected to the spinal cord |
|
|
Choroid plexus |
Formation of CSF occurs here |
|
|
Dopamine |
Parkinson's disease can be considered a neurotransmitter deficiency due to lack of this? |
|
|
Astrocytes |
Gila that makes the blood brain barrier |
|
|
Neurofibromatosis |
Genetic disorder of the nervous system. Characterized by numerous benign tumors of the Schwann cells resulting in numerous tiny nodules visible on the skin |
|
|
Produce myelin |
Schwann cells and oligodendrocytes |
|
|
Endoneurium, perineurium, epineurium |
Order from innermost to outermost layers around a nerve |
|
|
Broken down by enzymes or reabsorbed by the presynaptic neuron |
How neurotransmitters are inactivated |
|
|
Special sense and chemoreceptor |
What the sense of smell can be considered |
|
|
Proprioceptor |
What muscle spindles are considered |
|
|
Myopia and nearsightedness |
Elongated eyeball causes these conditions |
|
|
Glaucoma |
Not a refraction disorder |
|
|
Macular degeneration |
Leading cause of permanent blindness in the elderly |
|
|
Organ of corti |
Organ of hearing in the inner ear |
|
|
Otitis media |
Not a hearing loss due to nerve impairment/damage |
Presbycusis and meniere disease are due to nerve impairment/damage |
|
Presbycusis |
Progressive hearing loss usually associated with aging |
|
|
Nyctalopia |
Condition called "night blindness" |
|
|
Crista ampullaris |
Important to your sense of balance and equilibrium |
Part of semicircular canal |
|
Sclera, choroid, retina |
Three layers of tissue that form the eyeball |
|
|
Sclera |
The white of the eye |
|
|
Aqueous humor |
Watery fluid in front of the lens |
|
|
Glaucoma |
Increased accumulation of fluid in the eye leading to increased pressure resulting in damage to the eye |
|
|
Cones |
Receptor cells in the eye that respond to bright colors |
|
|
Cataract |
Lens loses it's transparency and becomes "milky" in appearance |
|
|
2 inches long |
Length of external auditory canal |
|
|
Tympanic membrane |
Partition between the external and middle ear |
|
|
Semicircular canals |
Structure responsible for balance and equilibrium |
|
|
Malleus |
Ossicle known as the hammer |
|
|
Cerumen |
Waxy substance that builds up in the ear |
|
|
Tinnitus |
Ringing of the ears |
|
|
Gustatory cells |
Nerve impulses generated in these special cells in the taste buds |
|
|
Increasing internal pressure of the eye |
Treatment for retinal detachment |
|
|
Have lesser risk for retinal detachment |
People with glaucoma |
|
|
Sense of taste |
Very closely attached to the sense of smell |
|
|
Slightly basic |
pH of blood |
7.35-7.45 |
|
Shouldn't be concerned about erythroblastosis fetalis |
An Rh-positive mother |
|
|
Oxygen and carbon dioxide |
Role of hemoglobin in the RBC |
|
|
Hemophilia |
Inherited X-linked disorder |
|
|
Rh-negative mother and Rh-positive father |
Combination of parents that might have a child with erythroblastosis fetalis |
|
|
Myeloid tissue, lymphatic tissue, and red bone marrow |
Involved in blood cell formation |
|
|
Plasma Buffy coat Red blood cells |
The layers of the blood components from top to bottom |
|
|
Globulin |
Category prothrombin falls under |
|
|
Basophil |
Granulocyte that secretes histamine |
|
|
Removal of spleen |
Treatment for thrombocytopenia |
|
|
Zygote |
Fertilized ovum |
|
|
Outer third of the oviduct near the ovary |
Where fertilization occurs |
|
|
Help in production of blood cells |
Function of the yolk sac |
|
|
Acting as the nutrient bridge between mother and baby Acting as an excretory organ Acting as an endocrine organ |
Functions of the placenta |
|
|
Monozygotic twins must have the same blood type and dizygotic twins may have the same blood type, but don't have to |
These statements are true since blood type is an inherited trait |
|
|
Second stage of labor |
Time from maximal cervical dilation until the baby exits through the vagina |
|
|
Placenta previa |
Blastocyst implants too close to the cervical opening |
|
|
Abruptio placentae |
Blastocyst implants in the upper portion of the uterus and can cause a life threatening situation |
|
|
18 months |
How long the period of infancy occurs |
|
|
Chorionic villi allow the blood of the mother to carry oxygen and nutrients to the baby so there can be an exchange of material, but the blood of the mother does not mix with the blood of the fetus on a large scale |
True |
|
|
One of the most important functions of the placenta is to act as a barrier to keep potentially harmful materials such as alcohol from hurting the baby |
False |
|
|
Gestation period |
Length of pregnancy |
|
|
Baby born at 37 weeks is considered a full term baby |
True |
Under 37 is preterm, over 42 is postterm |
|
Progeria |
Rare inherited disorder in which a young child appears to age rapidly. Cellular reproduction in these individuals is dimished |
|
|
Preeclampsia |
High blood pressure, proteinuria, and edema are indications of this prenatal condition |
|
|
Protein |
Final product of a gene |
|
|
P-arm |
Shorter segment of a chromosome |
|
|
47 chromosomes |
Person with trisomy |
|
|
Radiation, virus, chemicals |
All can be a genetic mutation |
|
|
Down syndrome and klinefelter's syndrome |
Conditions that result from trisomy |
|
|
Final step in gene expression is frequently an enzyme |
True |
|
|
PKU |
Single gene disorder |
|
|
Monosomy |
Turner's syndrome |
|
|
Turner's syndrome only affects female |
True |
|
|
Trisomy is the result of an error in the replication of chromosomes |
True |
|
|
Recessive trait |
PKU |
|
|
Recessive trait |
Albinism |
|
|
Recessive trait |
Tay-Sachs disease |
|
|
Transcription |
Process occurs in the nucleus of the cell. Messenger RNA is created from a strand of DNA |
|
|
Function like nonsteroid hormones |
Prostaglandins |
Cause production of cyclic AMP |
|
Neurohypophysis |
Another name for the posterior pituitary gland |
|
|
Prognathism |
Associated with acromegaly |
Large projecting jaw |
|
Histogenesis |
Process by which the primary germ layers develop into tissues |
|
|
Organogenesis |
Process by which tissues develop into organs |
|
|
Presbyopia |
Causes older adults to be farsighted |
"Old eye" |
|
Puerpural fever |
Postpartum disorder characterized by a bacterial infection that progresses to septicemia |
|
|
Ectopic pregnancy |
Separation of placenta from uterine wall in a pregnancy of 20 weeks or larger |
|
|
Pedigree |
Chart that illustrates the genetic relationship in a family over several generations |
|
|
12 pairs |
Number of pairs of cranial nerves |
|
|
Basal ganglia |
Few islands of gray matter within the interior of the cerebrum |
|
|
Diabetic retinopathy |
Small hemorrhages in retinal blood vessels |
Diabetic insipidus can be the cause |
|
Astigmatism |
Unequal curvature of the cornea or lens |
|
|
Chemoreceptors |
Taste buds |
|
|
Chemoreceptors |
Olfactory cells and gustatory cells |
|
|
Conjunctivitis |
Known as "pink eye" |
|
|
Fovea |
Where the cones of the eye are located |
|
|
Conduction of the impulse to the brain for interpretation Refraction on the retina Stimulation of the rods and cones |
Health vision dependable on these |
|
|
Vitreous humor |
Posterior cavity of the eye |
|
|
Aqueous humor |
Anterior cavity of the eye |
|
|
Nyctalopia |
Night blindness |
|
|
"Window" of the eye |
Cornea, due to its transparency |
|
|
Otoscope |
Instrument that looks at the ear |
Oto-ear |
|
Astrocytes |
Threadlike branches attach to neurons and small blood vessels, holding these structures together |
|
|
3 weeks after fertilization to 8 weeks of gestation |
Embryonic stage |
|
|
2% |
Human genome is usable |
Carries genes |
|
Miscarriage |
Fetal death before 20 weeks |
|
|
First stage of labor |
Period from onset of contractions until dilation of the cervix |
|
|
Nucleotides |
Bind together to form double helix |
|
|
Pseudogenes |
Broken bits of genes from our evolutionary past and nonfunctional DNA |
|
|
4 months of gestation |
Every organ system is complete and in place |
|
|
Endoderm |
Helps form the thymus, thyroid, and parathyroid |
|
|
Amnion |
Primary source of nutrients for a fetus |
|
|
Ectoderm |
Facial bones, outer ear, and tooth enamel formed in this germ layer |
|
|
P-arm and Q-arm |
Ideogram |
|
|
Release acetylcholine |
Cholingeric fiber |
|
|
Preganglonic parasympathetic axons |
Cholingeric fiber |
|
|
Postganglionic sympathetic axons |
Cholingeric fiber |
|
|
Postganglionic parasympathetic axons |
Cholingeric fiber |
|
|
Release norepinephrine/epinephrine |
Adrenergic fiber |
|
|
Postganglionic sympathetic neuron |
Adrenergic fiber |
|
|
Longitudinal fissure |
Divides brain into right and left halves |
|
|
Gyri |
Convolution |
|
|
Sulci |
Grooves |
|
|
Fissures |
Deepest sulci |
|
|
Hypothalamus, thalamus, and pineal gland |
3 structures in the diencephalon |
|
|
Auditory and auditory association |
Temporal lobe |
|
|
Visual cortex and association |
Occipital lobe |
|
|
Conscious thought, speech, motor and muscle control |
Frontal lobe |
|
|
Sensory speech, taste, and body sense |
Parietal lobe |
|
|
Photoreceptor |
Receptors of the eye |
|