A 42-year-old man has a vasectomy. The physician explains to him that 3 to 4 months after the procedure, when he has an orgasm during sexual intercourse, most likely he will
A. no longer produce an ejaculate
B. still produce an ejaculate and the ejaculate will contain sperm
C. still produce an ejaculate but the ejaculate will not contain sperm
Ans: C. still produce an ejaculate but the ejaculate will not contain sperm
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Which of the following is not a plexus of the vagus nerve?
A) cardiac B) pulmonary C) celiac D) esophageal
How are nephrons, collecting ducts, and collecting tubules related to each other?
A. One collecting duct drains into one nephron, and one nephron drains into one collecting tubule. B. One nephron drains into one collecting tubule, and several collecting tubules empty into a collecting duct. C. One nephron drains into one collecting duct, and several collecting ducts empty into a collecting tubule. D. One nephron drains into several collecting tubules, and all tubules eventually lead to one collecting duct. E. One collecting tubule drains into one nephron, and several nephrons drain into one collecting duct.
Preparing the body for the "fight-or-flight" response is the role of the ________
A) parasympathetic nervous system B) sympathetic nervous system C) cerebrum D) somatic nervous system
Which nervous system controls the migrating motor complex of the small intestine?
A) sympathetic nervous system B) enteric nervous system C) somatic nervous system D) central nervous system