How is the neurotransmitter acetylcholine inactivated at the parasympathetic terminal receptor site?
a. By the enzyme catechol O-methyltransferase (COMT)
b. By the reuptake process
c. By the enzyme cholinesterase
d. By the enzyme monoamine oxidase (MAO)
ANS: C
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Which of the following BEST describes a fear common to children?
A. They are frightened by large groups of people. B. They can be scared by stories about burned pets. C. They do not like to repeat words after adults to learn them. D. They are scared to practice safety procedures in front of others.
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In a normal rhythm, the beats come at regular intervals, indicating that the impulse originates in the SA node.
Answer the following statement true (T) or false (F)
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