39. Antibiotics-induced diarrhea often is due to the activation of which of following receptors for an enhanced bowel movement (A) 5-HT4 receptor (B) Motilin receptor (C) Dopamine subtype 2 receptor (D) GABA receptor

6. Which of the following is correct regarding the autonomic nervous system? (A) Afferent neurons carry signals from the CNS to the effector organs (B) The neurotransmitter at the parasympathetic ganglion is norepinephrine (C) Sympathetic neurons release acetylcholine in the effiector organs (D) The neurotransmitter at the sympathetic ganglion is acetylcholine

39. Antibiotics-induced diarrhea often is due to the activation of which of following receptors for an enhanced bowel movement
(A) 5-HT4 receptor
(B) Motilin receptor
(C) Dopamine subtype 2 receptor
(D) GABA receptor

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