What chemical is secreted by the kidneys when blood sodium is low and (or) blood pressure is low?
A. Renin
B. Aldosterone
C. ACTH
D. Angiotensin
Answer: A
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Andrew, an older man, has had part of his prostate gland removed. He should now expect a reduction in the level of prostaglandins secreted into semen.
Answer the following statement true (T) or false (F)
Sodium homeostasis leads to the homeostasis of ________.
A. hydrogen B. potassium C. chloride D. magnesium E. calcium
A 10 percent increase in the level of carbon dioxide in the blood will
A) decrease the rate of breathing. B) double the rate of breathing. C) decrease pulmonary ventilation. D) decrease the alveolar ventilation rate. E) reduce the vital capacity by 10%.
Which of the following statements concerning collagen is false?
A. There are at least 20 different types of collagen in the body. B. Collagen is a common protein in the body. C. Collagen is strong and flexible. D. Collagen is composed of collagen ?-chains. E. Collagen is elastic and stretches