Quiz 5: Central Nervous System Pharmacology: General Principles

Certain drugs are not able to pass from the bloodstream into the CNS because of the unique structure and function of the CNS capillaries,known commonly as the: A)blood-brain barrier. B)circle of Willis. C)glomerulus. D)septum pellucidum. E)corpus callosum.

All of the following substances are considered CNS neurotransmitters EXCEPT: A)monoamines such as norepinephrine. B)second messengers such as cyclic AMP. C)amino acids such as glycine. D)hormones such as vasopressin. E)acetylcholine.

Drugs can alter CNS neurotransmission by affecting neurotransmitter: A)synthesis in the presynaptic terminal. B)release from the presynaptic terminal. C)degradation or breakdown at the synapse. D)reuptake into the presynaptic terminal. E)all of the above