Connective tissues proper (or general connective tissues) produce collagen fibers using cells known as:
A) adipocytes. B) mast cells. C) phagocytes. D) fibroblasts.
Answer: D
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Fatty acids and many amino acids cannot be used for ________ because their catabolic pathways produce acetyl-CoA
A) glycolysis B) gluconeogenesis C) cellular respiration D) glycemia E) glycogenesis
A buildup of fluid in the lungs caused by pneumonia leads to an increase in the
A. residual volume. B. physiologic dead space. C. anatomic dead space.
The functional contractile unit of a skeletal muscle fiber is called a ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following is an accurate comparison of skeletal muscle to smooth muscle?
A. Smooth muscle contracts more slowly but relaxes more rapidly. B. Smooth muscle contracts more rapidly but relaxes more slowly. C. Smooth muscle contracts and relaxes more slowly. D. Smooth muscle consumes more ATP to maintain a given level of muscle tension. E. Smooth muscle depends on a nerve fiber to supply the calcium needed for contraction.