What are the semicircular ducts filled with?
A. Vitreous body
B. Cerumen
C. Aqueous humor
D. Perilymph
E. Endolymph
Answer: E
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The microvilli of the small intestine are for ______ .
A) digestion of nutrients B) absorption of nutrients C) movement of chyme
The tough, whitish membrane surrounding the testes is called the:
a. seminiferous tubules b. interstitial cells c. tunica albuginea d. scrotum
Ben had most of his stomach removed in an attempt for drastic weight loss. He is at the greatest risk for:
A) dehydration. B) pernicious anemia. C) gastroesophageal reflux disease (GERD). D) lactose intolerance.
A decrease in the number of voltage-gated Ca2+ ion channels in the presynaptic terminal would
A. enhance transmission across the synapse. B. reduce or inhibit transmission across the synapse. C. have no effect on transmission across the synapse. D. alter receptors on the postsynaptic membrane. E. increase exocytosis.