Which of the following is not associated with male erection or ejaculation?
A) closure of the vesical (internal urethral) sphincter.
B) contraction of urethral smooth musculature.
C) contraction of bulbospongiosus.
D) parasympathetic impulses reaching the penis from the prostatic nervous plexus.
E) contraction of the smooth muscle of the helical arteries.
Ans: E
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Answer the following statement true (T) or false (F)
When seated, the weight of the body is borne by the
A) ischial tuberosities. B) posterior inferior iliac spines. C) iliac crests. D) obturator foramen. E) inferior rami of the pubis.
The distinguishing feature of a cervical vertebra is the
A) costal facet. B) vertebral arch. C) transverse foramina. D) spinous process. E) pedicle.