Muscle tone is the small amount of tautness or tension in the muscles due to weak, involuntary contractions of its motor units
a. true
b. false
Answer: a. true
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What is the correct order for the vertebral regions, from superior to inferior?
A. Thoracic - cervical - lumbar - coccygeal - sacral B. Thoracic - sacral - lumbar - thoracic - coccygeal C. Thoracic - coccygeal - cervical - lumbar - sacral D. Cervical - thoracic - lumbar - sacral - coccygeal E. Cervical - thoracic - sacral - coccygeal - lumbar
Preganglionic fibers leave the CNS and then synapse on
A) postganglionic fibers. B) visceral reflex responses. C) motor neurons. D) ganglionic neurons. E) afferent neurons.
Which of the following is true of oral rehydration therapy?
A. The presence of glucose aids the intestinal absorption of Na+ and water. B. It is used to treat severe diarrhea. C. It saves more than a million small children per year. D. All of the choices are correct.
At this point, the tube that carries the sperm outside the body meets the prostate gland. Before a male can ejaculate, the spongy tissue surrounding the penis called, ___________, becomes engorged with blood causing the penis to become rigid.
Fill in the blank(s) with the appropriate word(s).