Mucus functions in
A) protection and lubrication.
B) protection, lubrication, and enzyme activation.
C) protection only.
D) lubrication only.
E) enzyme activation only.
A) protection and lubrication.
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Water balance and electrolyte balance are interdependent because
A) water and electrolytes are both in an ionic state in the blood. B) water dissolves in electrolytes. C) both form ions in blood. D) electrolytes are dissolved in water.
Smooth muscles are under involuntary control.
a. True b. False
Which of the following is indicated for massage?
a. Asthma. b. Abdominal aneurysm. c. Bursitis. d. Edema.
During part of the normal menstrual cycle, when the levels of progesterone and estrogen decrease, what will occur?
A. Fertilization B. Menstruation C. Amenorrhea D. Ovulation