NR 507 FINAL EXAM|| 85 QUESTIONS & SOLUTIONS|| 2024 LATEST UPDATE|| 100 % VERIFIED
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Course
NR 507 ADVANCED PATHOPHYSIOLOGY
Institution
NR 507 ADVANCED PATHOPHYSIOLOGY
Dermatomes - ANSWER area of the skin that is mainly supplied by branches of a single spinal sensory nerve root. These spinal sensory nerves enter the nerve root at the spinal cord, and their branches reach to the periphery of the body.
Substance release at the synapse - ANSWER Acetylcholine- Exc...
NR 507 FINAL EXAM|| 85 QUESTIONS &
SOLUTIONS|| 2024 LATEST UPDATE|| 100 %
VERIFIED
Dermatomes - ANSWER area of the skin that is mainly supplied by branches of a single spinal sensory
nerve root. These spinal sensory nerves enter the nerve root at the spinal cord, and their branches reach
to the periphery of the body.
Substance release at the synapse - ANSWER Acetylcholine- Excitatory or inhibitory- alzheimers
Norepi- Excitatory or inhibitory- sleep/wake cycle, SYNS transmission
Dopa- Excitatory (h1 and h2 receptors) and inhibitory (H3 receptors). parkinson disease
Spondylolysis - ANSWER structural defect (degeneration, fracture, or developmental defect) in the pars
interarticularis of the vertebral arch (the joining of the vertebral body to the posterior structures). The
lumbar spine at L5 is affected most often.
-Heredity
-Other congenital spinal defects
motor and sensory areas of the brain - ANSWER Parietal lobe- major area for somatic sensory input,
located along the postcentral gyrus. which is adjacent to the primary motor area in the precentral gyrus.
Primary motor area (Brodmann area 4)- located along the precentral gyrus forming the primary
voluntary motor area (homunculus) (little man).
Association fibers provide communication between sensory and motor
Ischemic penumbra - ANSWER ischemic but not infarcted (salvageable) tissue. Peri-infarct tissue.
, -no structural damage
Cerebral infarction - ANSWER ischemic- white infarct (affected area is pale and soft 6-12 hours after).
necrosis appears by 48 to 72 hours.
Infiltration of macrophages and phagocytosis of necrotic tissue. necrosis resolves around the 2nd week.
glial scarring.
excitotoxins - ANSWER Toxins (usually amino acids) that overstimulate glutamate release and cause
neuron suicide.
Agnosia - ANSWER the inability to recognize familiar objects.
-tactile/spatial-parietal lobe
-Gerstmann syndrome (loss of spatial orientation of fingers, body, sides and #s)- L angular gyrus (Parieral)
-Object- Temporo-occipital area
-Associated with CVAs
Subarachnoid hemorrhage - ANSWER Bleeding into the subarachnoid space, where the cerebrospinal
fluid circulates.
Meningitis - ANSWER Bacterial- Meningococcus and S. pneumococcus bacteria are most common
Viral- Specific pathogen cannot be found in CSF
Prostate cancer prevention - ANSWER -Eat a low fat diet
- Slow growing cancer so DRE and PSA testing prevents
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