Splanchnic nerves
A) originate from first-order neurons located in the upper five thoracic segments of the spinal cord.
B) innervate the viscera or internal organs.
C) control sympathetic function of structures in the thorax.
D) connect chain ganglia.
E) are formed of parasympathetic fibers.
B
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In the diagram, where is the cribriform plate?
a) D b) E c) F d) G e) H
In the condition known as cryptorchidism, ___________.
A) the testes fail to descend into the scrotum. B) the prostate gland is enlarged. C) sperm cells are not produced. D) the testes are surgically removed. E) the foreskin has been surgically removed.
Which of the following isotopes has the longest half-life?
A) Iodine-131 B) Iron-59 C) Cobalt-60 D) Phosphorus-32
Sebum is a secretion that
A. cools the skin and eliminates certain drugs. B. lubricates skin and helps defend against bacteria. C. acts as a pheremone once reproductive maturity is reached. D. maintains water balance through waterproofing the skin.