The hard, dense bone that forms the outer surface of bones is:
A) compact bone. B) cancellous bone. C) spongy bone. D) articular cartilage.
Answer: A
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Those with a sthenic build have a massive, truncated build with a short, broad, and deep thorax.
Answer the following statement true (T) or false (F)
Upon the nerve impulse arriving at the axon terminal,
A) active sites on actin are exposed. B) active sites on myosin are exposed. C) actin heads will bind to myosin. D) muscle relaxation occurs. E) acetylcholine is released.
Food is normally prevented from entering the nasopharynx by the
A. elevation of the epiglottis. B. elevation of the soft palate. C. depression of the hard palate. D. closure of the nasal conchae. E. constriction of the esophagus.
Which of the following statements concerning the pleura is correct?
A. The parietal pleura separates from the visceral pleura as the thorax expands. B. The fluid secreted by the pleural membranes compresses the lungs causing them to collapse. C. The pleural fluid between the the parietal pleura and visceral pleura ensure that as the thorax expands, the lungs expand as well. D. All of the choices are correct.