Which modified form of pyruvate enters the citric acid cycle?
a. acetyl CoA
b. adenosine diphosphate
c. citric acid
d. oxaloacetic acid
e. pyruvic acid
A
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Which is the correct order of mixing in the brachial plexus?
A) root, cord, trunk, peripheral nerves, division B) trunk, peripheral nerves, cord, division, root C) division, peripheral nerves, cord, trunk, root D) root, trunk, division, cord, peripheral nerves E) None of the answers are correct.
Which of the following is the site of contact digestion?
A. The gastric pits B. The brush border of the small intestine C. The surface of the gastric mucosa D. The intestinal crypts E. The cytoplasm of the small intestinal cells
Which muscle(s) is/are not involved with inspiration?
A. Pectoralis minor B. Diaphragm C. Sternocleidomastoid D. External intercostals E. Rectus abdominis
When the first heart sound is heard, what is occuring with the heart valves?
a. The AV valves are opening. b. The AV valves are closing. c. The semilunar valves are opening. d. The semilunar valves are closing.