When the pH of the extracellular fluid drops, the kidneys
A) excrete more hydrogen ions.
B) excrete more bicarbonate ions.
C) reabsorb bicarbonate ions.
D) excrete more hydrogen ions and excrete more bicarbonate ions.
E) excrete more hydrogen ions and reabsorb bicarbonate ions.
Answer: E
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The metabolic events characteristic of the absorptive state can be attributed to the presence of large amounts of insulin in the blood, whereas the events of the postabsorptive state can be attributed largely to decreased insulin levels.
Answer the following statement true (T) or false (F)
Which of the following statements is false?
A. the hip is distal to the knee B. the shoulder is superior to the hip C. superficial muscles are closer to the skin than deep muscles D. the triceps are posterior to the biceps
The median nerve
A) arises from the medial cord of the brachial plexus. B) arises from the posterior cord of the brachial plexus. C) arises from both the medial and lateral cords of the brachial plexus. D) innervates the pronators of the forearm. E) All of the answers are correct.
Thyroid storm:
a. is a life-threatening condition. b. is a normal condition. c. affects only men. d. affects only women.