Which hormone directly stimulates development of the male reproductive system, secondary sexual characteristics, and sustains sperm production and the sex drive throughout adult life?
a) progesterone
b) testosterone
c) estradiol
d) gonadotropin releasing hormone
Answer: b) testosterone
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The following is a list of the steps that occur in the production of an auditory sensation. What is the proper sequence for these steps? 1. The pressure wave distorts the basilar membrane on its way to the round window. 2. Movement of the tympanic membrane causes displacement of the malleus. 3. Displacement of the stereocilia stimulates sensory neurons of the cochlear nerve. 4. Movement of the
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Which of the following peripheral nervous system (PNS) neuroglia form the myelin sheaths around larger nerve fibers in the PNS?
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