Which of the following statements about sweat glands is NOT true?
a. Sweat glands are derived from the epidermis.
b. Sweat glands are important in thermoregulation.
c. Sweat glands produce anti-microbial compounds.
d. Sweat glands produce sebum.
e. None of these.
D
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In mitral valve prolapse, the mitral valve
A. bulges into the left atrium during ventricular contraction. B. is missing as a result of abnormal development. C. has an extra cusp. D. bulges into the left atrium during ventricular relaxation.
Which of the choices below reflects the balance (or imbalance) between the direction and amount of fluid that flows across the capillary walls?
A) hydrostatic and osmotic pressure B) hydrostatic pressure only C) blood volume and viscosity D) plasma and formed element concentration
Hypoventilation is a cause of:
a. respiratory acidosis b. respiratory alkalosis c. metabolic acidosis d. metabolic alkalosis e. pulmonary edema
Which brain area is considered to be the headquarters of the ANS?
A) cerebral cortex B) thalamus C) limbic system D) hypothalamus E) brain stem