Autonomic ganglia contain ________.
A) an outer connective tissue capsule around the cell bodies of preganglionic motor neurons
B) synapses between postganglionic fibers and their effectors
C) the cell bodies of motor neurons
D) both somatic afferent and efferent neurons
C) the cell bodies of motor neurons
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What effect would low FSH levels have on sperm production?
A) Low FSH levels would decrease the level of testosterone which increases sperm production. B) Low FSH levels would decrease the level of testosterone which decreases sperm production. C) Low FSH levels would increase the level of testosterone which increases sperm production. D) Low FSH levels would increase the level of testosterone which decreases sperm production. E) Low FSH levels would increase the level of inhibin which increases sperm production.
A drug called __________, taken during pregnancy, may result in infants being born with unformed arms and legs.
Fill in the blank(s) with the appropriate word(s).
Following a few months of noticeably high urine volume, Stephanie's doctor diagnosed her with diabetes insipidus and prescribed her desmopressin, which is a synthetic drug form of vasopressin. A few weeks later, Stephanie accidentally takes two doses instead of one. On that day, what is Stephanie likely to experience?
A. A decrease in blood pressure B. An increased urine volume C. A noticeable reduction in thirst and desire to drink water D. An increase in the osmolarity of urine E. None of these would occur
The amount of melatonin secreted by the pineal gland is regulated by
A. a person's individual metabolic rate. B. the amount of sleep a person gets. C. blood glucose levels. D. the photoperiod (the daily amount of daylight). E. the stress response.