The number of cranial bones is
A. five.
B. six.
C. seven.
D. eight.
E. nine.
Answer: D
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The primary motor cortex is located
a. posterior to the central sulcus. b. anterior to the central sulcus. c. in the temporal lobe. d. in the parietal lobe. e. in the occipital lobe.
In which region of the oral cavity are veins located close to the surface facilitating transmucosal delivery of certain drugs?
A. Dorsal surface of the tongue B. Hard palate C. Gingiva D. Ventral surface of the tongue E. Buccal mucosa
Which of the following correctly pairs the lymphatic trunk with the lymphatic duct that drains into it?
A) right bronchomediastinal trunk, thoracic duct B) left bronchomediastinal trunk, right lymphatic duct C) intestinal trunk, right lymphatic duct D) right jugular trunk, thoracic duct
Physiological dead air space is anatomic dead space plus
A. the residual volume. B. the volume of any alveoli where gas exchange is diminished. C. the volume of blood flowing to the lungs. D. the respiration rate. E. tidal volume.