1. Oligodendrocytes are located in the _____. A. PNS B. CNS |
2. Schwann cells are located in the _____. A. PNS B. CNS |
3. Which of the following types of cells is the most common in the CNS? A. Astrocytes B. Oligocytes C. Neurocytes D. Celiac cells |
4. Which of the following is a regulatory protein in the cytoplasm that helps the processes at the synapse? A. Calmodulin B. Protein kinase C. Ligand D. Gap protein |
5. Myasthenia gravis is due to ____ receptors being blocked and destroyed by antibodies. A. Epinephrine B. Nicotinic C. Acetylcholine D. Transient |
6. The primary effect of cocaine on the nervous system is that cocaine blocks the re-uptake of ____. A. Monoamines B. Transamines C. Catecholamine D. Monoamine oxidase |
7. Which of the following amino acids can function as a neurotransmitter in the CNS? A. Leucine B. Glutamic acid C. Lysine D. Valine |
8. Huntington's chorea has been linked with a deficiency in the amino acid ______. A. Lysine B. GABA C. Valine D. Tyrosine |
9. Which of the following is not considered a monoamine? A. Epinephrine B. Norepinephrine C. Dopamine D. Adenosine |
10. Which of the following is not considered a catecholamine? A. Dopamine B. Norepinephrine C. Serotonin D. Epinephrine |
11. Excessive polarization due to GABA is created due to the opening of ____ channels. A. Ca++ B. Cl- C. K+ D. Na+ |
12. Valium has an effect on ____ to inhibit neural transmission. A. Epinephrine B. Norepinephrine C. GABA D. Dopamine |
13. The drug ____ blocks the reuptake of serotonin into presynaptic axons. A. Prozac B. Valium C. Xanax D. Deprenyl |
14. Which of the following toxins blocks Sodium Channels? A. Srychnine B. Neostigmine C. Tetrodotoxin D. Curare |
15. Clostridium botulinum releases this enzyme that destroys peptide bonds. A. Amylase B. Endopeptidases C. Exopeptidases D. Protein kinase |
16. Multiple sclerosis is a disease that attacks the _______ of neurons in the CNS. A. Myelin sheaths B. Axon terminals C. Sodium channels D. Nicotinic receptors |
17. Which of the following is not considered a type of synapse? A. Dendrodendritic B. Axosomatic C. Axoaxonic D. Denoaxonic |
18. The progression of a nerve impulse with the nodes of Ranvier is called _______. A. Saltatory conduction B. Transmission C. Unmyelinated conduction D. Relative conduction |
19. Supporting cells located within the CNS are collectively called _____. A. Neuroglia B. Astrocytes C. Perikaryon D. Satellite cells |
20. Which of the following types of cells line the ventricles and spinal cord? A. Astrocytes B. Schwann cells C. Ependymal cells D. Oligodendrocytes |
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