NR 507 FINAL EXAM
QUESTIONS WITH
VERIFIED ANSWERS
, Dermatomes - CORRECT ANSWERS-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 - CORRECT ANSWERS-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 - CORRECT ANSWERS-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 - CORRECT ANSWERS-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 - CORRECT ANSWERS-ischemic but not infarcted (salvageable)
tissue. Peri-infarct tissue.
-no structural damage
Cerebral infarction - CORRECT ANSWERS-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 - CORRECT ANSWERS-Toxins (usually amino acids) that overstimulate
glutamate release and cause neuron suicide.
Agnosia - CORRECT ANSWERS-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)
QUESTIONS WITH
VERIFIED ANSWERS
, Dermatomes - CORRECT ANSWERS-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 - CORRECT ANSWERS-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 - CORRECT ANSWERS-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 - CORRECT ANSWERS-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 - CORRECT ANSWERS-ischemic but not infarcted (salvageable)
tissue. Peri-infarct tissue.
-no structural damage
Cerebral infarction - CORRECT ANSWERS-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 - CORRECT ANSWERS-Toxins (usually amino acids) that overstimulate
glutamate release and cause neuron suicide.
Agnosia - CORRECT ANSWERS-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)
