During orgasm, the ductus deferens undergoes
A. peristalsis, and the internal urethral sphincter of the bladder relaxes.
B. peristalsis, and the internal urethral sphincter of the bladder contracts.
C. segmentation, and the external urethral sphincter contracts.
D. segmentation, and the external urethral sphincter becomes engorged with blood.
B
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Another name for a compound fracture is a(n) ________.
A. open fracture B. closed fracture C. comminuted fracture D. impacted fracture
Ringing in the ears is also known as ________.
A. vertigo B. purulence C. eczema D. tinnitus
Liver cells and muscle cells are able to store chains of glucose in a molecule called:
a. glycogen b. polyglucose c. sucrose d. lactose
The large range of movement of the thumb compared to that of the fingers is derived from the structure of which of the following?
A. the thumb's carpometacarpal joint B. the thumb's intermetacarpal joint C. the thumb's metacarpophalangeal joint D. all of the above