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Neuro 1 Final Exam Questions and All Correct Answers

Neuro 1 2013
Final Exam
1. You hypothesize that neurons in the amygdala grow new dendritic spines when an animal is exposed to fearful stimuli.
Which of the following stains would allow you to see spines so that you could count them?
a) Nissl stain b) Golgi stain
c) Cajal stain
d) Descartes stain
2. You also hypothesize that in order to grow new spines, the neuron must synthesize new proteins.
Most protein synthesis in a neuron occurs in the
a) dendrites
b) axon c) cell body
d) synapse
3. On the first day of classes in September you were unlucky to become infected by the herpes simplex virus 1 (HSV1) and develop a cold sore on your lip. Fortunately it went away in a few days. Last week you started getting stressed out about final exams and this caused the HSV1 to come out of hibernation, causing a new cold sore. The process by which the virus recently went from a neuron to your lip involves:
a) anterograde transport using dynein b) anterograde transport using kinesin
c) retrograde transport using dynein
d) retrograde transport using kinesin
4. Myelination of CNS neurons is done by: a) oligodendroglia that each myelinate more than one neuron
b) oligodendroglia that each myelinate a single neuron
c) Schwann cells that each myelinate more than one neuron
d) Schwann cells that each myelinate a single neuron
5. The concentration of Na+ ions is:
a) 10 times higher inside than outside for most neurons
b) 100 times higher inside than outside for most neurons c) 10 times higher outside than inside for most neurons
d) 100 times higher outside than inside for most neurons

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