NSC 3361 Neurophysiology Exam Questions with Correct Answers
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Course
NSC 3361 Neurophysiology
Institution
NSC 3361 Neurophysiology
NSC 3361 Neurophysiology Exam Questions with Correct Answers
What areas of the brain do focal seizures activae? - Answer-NOT the whole brain; just in one area
Myoclonic seizure - Answer-rapid, brief contraction of muscles at the same time on both sides of the body
What is unqiue about the mo...
NSC 3361 Neurophysiology Exam
Questions with Correct Answers
What areas of the brain do focal seizures activae? - Answer-NOT the whole brain; just
in one area
Myoclonic seizure - Answer-rapid, brief contraction of muscles at the same time on both
sides of the body
What is unqiue about the movements of myoclonic seizures? - Answer-they are
repetitive
Why does K+ move out at resting potential? - Answer-along concentration gradient
Describe permeability of Na+ - Answer-slightly permeable; slowly leak in (then corrected
by sodium potassium pump)
Case: fugu description - Answer-- ate fugu
- tingling in tongue + right side of mouth
- light feeling, anxiety, thoughts of dying
- felt weak then collapsed
What disease has the following symptoms:
- tingling in tongue + right side of mouth
- light feeling, anxiety, thoughts of dying
- felt weak then collapsed - Answer-tetrodotoxin
Case: fugu diagnosis - Answer-tetrodotoxin
tetrodotoxin - Answer-blocks nerve action by binding to / blocking pores of voltage-
gated, sodium channels in neuron membranes
odori-don - Answer-salt added = sodium influx in cells = action potentials + movement in
muscles
periodic paralysis - Answer-genetic defect in Na+ channel in muscle
3 ways of inactivating NT release - Answer-1) autoreceptors
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