During pregnancy, increased uterine blood flow and increased protein synthesis by the liver are stimulated by
A. progesterone.
B. estrogen.
C. peptide hormones.
Answer: B
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Which of the following is not a function of the skeletal system?
A. It protects the viscera. B. It produces blood cells. C. It removes toxins from the blood. D. It stores and releases minerals. E. It produces vitamin C.
Which of the following does NOT describe hypertension? Hypertension
A. may be caused by kidney disease. B. is usually defined as a systolic pressure greater than 140 mmHg and a diastolic pressure greater than 90 mmHg. C. can sometimes be treated with drugs that increase excretion of water in the urine. D. is usually a result of chronically elevated cardiac output. E. refers to a chronic state of elevated blood pressure.
Urine leaves the renal pelvis and enters the ureter because of
A) contractions of the muscular layers of the renal capsule, which squeeze the kidney. B) opening of valves into the entrance of the ureters, which permits urine to flow through them passively. C) peristalsis of the ureters. D) gravity. E) All of the answers are correct.
Emulsification requires:
A) stercobilin. B) nuclease. C) bile salts. D) enzymes.