Local hyperpolarization in a synapse is called a/an ________.
A. resting membrane potential
B. action potential
C. excitatory postsynaptic potential
D. gap junction potential
E. inhibitory postsynaptic potential
Answer: E
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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.
A damaged right bundle branch will prevent the passage of the action potential to the:
A) atrioventricular (AV) bundle. B) sinoatrial (SA) node. C) atrioventricular (AV) node. D) Purkinje fibers in the right ventricle.
During quiet breathing, expiration does not require muscle contraction but inspiration does.
Indicate whether the statement is true or false.
The process used to convert liquid vegetable oils to solids by changing its bonds is called ________.
A. solidification B. oxygenation C. carbonization D. hydrogenation