NR 507 FINAL EXAM (NEW UPDATED VERSION) LATEST ACTUAL EXAM
QUESTIONS AND CORRECT ANSWERS (VERIFIED QUESTIONS AND ANSWERS) |
GUARANTEED PASS A+ UPDATED THIS YEAR
Dermatomes - CORRECT 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.
QUESTION :Substance release at the synapse - CORRECT 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
QUESTION :Spondylolysis - CORRECT 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
2026 2027 GRADED A+
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QUESTION :motor and sensory areas of the brain - CORRECT 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
QUESTION :Ischemic penumbra - CORRECT ANSWER ischemic but not
infarcted (salvageable) tissue. Peri-infarct tissue.
-no structural damage
QUESTION :Cerebral infarction - CORRECT 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.
QUESTION :excitotoxins - CORRECT ANSWER Toxins (usually amino acids) that
overstimulate glutamate release and cause neuron suicide.
QUESTION :Agnosia - CORRECT ANSWER the inability to recognize familiar
objects.
-tactile/spatial-parietal lobe
2026 2027 GRADED A+
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-Gerstmann syndrome (loss of spatial orientation of fingers, body, sides and #s)- L
angular gyrus (Parieral)
-Object- Temporo-occipital area
-Associated with CVAs
QUESTION :Subarachnoid hemorrhage - CORRECT ANSWER Bleeding into the
subarachnoid space, where the cerebrospinal fluid circulates.
-ruptured intracranial aneurysm/trauma
-IICP/irritates meningeal tissues/produces inflammation, blood coats nerve roots,
impairs CSF circulation
-compensatory increase in SBP
QUESTION :Meningitis - CORRECT ANSWER Bacterial- Meningococcus and S.
pneumococcus bacteria are most common
Viral- Specific pathogen cannot be found in CSF
QUESTION :Prostate cancer prevention - CORRECT ANSWER -Eat a low fat diet
- Slow growing cancer so DRE and PSA testing prevents
QUESTION :BPH and the urinary system - CORRECT ANSWER - Chronic
inflammation
-Bladder outflow obstruction
-Urge to pee often
-delay in starting stream
2026 2027 GRADED A+
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- Decreased force of stream
-Urinary retention/ overflow incontinence (late sign)
Complications: Hematuria, infections, bladder calculi, retention, hydronephrosis, renal
insufficiency
QUESTION :Cause of respiratory Alkalosis - CORRECT ANSWER - fever
-anemia,
-anxiety, panic
-thyrotoxicosis
-hyperventilation
QUESTION :buffer molecules - CORRECT ANSWER -Plasma- Bicarbonate-
carbonic acid and HGB.
-Intracellular- Phosphate and protein
Renal- Ammonia and Phosphate
QUESTION :Cushing's disease - CORRECT ANSWER - Excess endogenous
secretion of ACTH (Corticotropin).
-from a pituitary adenoma or by an ectopic secreting non pituitary tumor such as small
cell carcinoma of the lung.or adrenal tumor (rare)
- HYPERnatremia, HYPERtension, INCREASED blood volume, HYPOkalemia,
HYPERglycemia, weight gain, thin hair, moon face, easy bruising, buffalo hump, protein
wasting
2026 2027 GRADED A+