The most superior portion of the pharynx is the
A) laryngeal pharynx
B) septum
C) nasopharynx
D) oropharynx
Ans: C) nasopharynx
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A class of drugs that inhibit vasodilation would have what effect on male reproduction?
A. Increased rate of sperm production may occur B. Increased volume of semen may be produced C. Erection may be inhibited D. Orgasm would occur more readily E. None of these effects would occur
In addition to testosterone and estrogen, reproductive organs (testes and ovaries) also produce the hormone ________, which decreases the production of FSH.
A. insulin B. thyroxine C. inhibin D. relaxin E. parathyroid hormone
Exchange of nutrients and other substances between CNS neurons and blood vessels is accomplished by
A. oligodendrocytes. B. satellite cells. C. astrocytes. D. Schwann cells. E. microglia.
When adding up values across the entire body, which type of vessel has the largest total cross-sectional area?
A. Veins B. Arteries C. Capillaries