Synovial membranes:
A) line the pleural, pericardial, and peritoneal body cavities.
B) line the cavities surrounding freely movable joints.
C) are hard due to the presence of keratin.
D) line the passages of hollow organs that open to the outside of the body.
Answer: B
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Hormones:
a. can use positive feedback mechanisms b. can use negative feedback mechanisms c. do not use feedback mechanisms for regulation d. both A and B above
Water reabsorption is under the control of vasopressin
a. along the entire length of the nephron b. only in the loop of Henle c. only in the distal and collecting tubules d. only in the proximal tubule e. only in the glomerulus
Which of the following muscles is/are the most important in swallowing?
A. Pharyngeal constrictors B. Platysma C. Masseter D. Digastric E. Mentalis
When fatty acids contain one or more double bonds, they are considered
A. emulsified. B. unsaturated. C. saturated. D. synthesized.