Some antidepressant drugs act by inhibiting monoamine oxidase (MAO). What is the function of this enzyme?
A. It blocks sodium channels.
B. It binds to chloride gates.
C. It converts ATP to cyclic AMP.
D. It degrades acetylcholine.
E. It breaks down monoamines.
Answer: E
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Which disorder affects the peripheral nervous system usually with ascending paralysis starting in the feet?
A. Muscular dystrophy B. Guillain-Barré syndrome C. Myasthenia gravis D. Tetanus
Stimuli produced by sound waves reach the brain following which pathway?
A. Cochlear duct ? oval window ? auditory canal ? tympanic membrane ? ossicles ? spiral organ ? fibers of cochlear nerve B. Cochlear duct ? spiral organ ? ossicles ? oval window ? auditory canal ? tympanic membrane ? fibers of cochlear nerve C. Auditory canal ? tympanic membrane ? ossicles ? oval window ? cochlear duct ? spiral organ ? fibers of cochlear nerve D. Auditory canal ? tympanic membrane ? oval window ? cochlear duct ? ossicles ? spiral organ ? fibers of cochlear nerve E. Tympanic membrane ? auditory canal ? ossicles ? oval window ? cochlear duct ? spiral organ ? fibers of cochlear nerve
What do the red muscles of tuna, the optical systems of billfish, and the legs of birds have in common?
A) Higher proportions of glycolytic muscle fibers B) Brown adipose tissue C) Countercurrent heat exchangers D) More than one of the above
The delay between when the stimulus is presented and when you respond is ________
A) learning B) the latent period C) the reaction time D) None of the listed responses is correct.