Identify the functions of the nervous system. (Check all that apply.)
A. Integrating information
B. Controlling protein synthesis
C. Receiving sensory input
D. Controlling muscles and glands
E. Stimulating muscle growth
Answer: D
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The cerebellum
a. is important for the maintenance of balance. b. compares the intentions of the higher motor centers with the performance of the muscles and corrects any deviations from the intended movement. c. plays a role in the planning and initiation of voluntary activity. d. controls eye movement. e. inhibits muscle tone.
Which of the following is not true regarding carbon dioxide transport in the blood?
A) The majority of carbon dioxide is transported as bicarbonate ions. B) The majority of bicarbonate ions are found within the erythrocyte. C) Very little carbon dioxide is transported free in the blood. D) Carbonic anhydrase is capable of producing both carbon dioxide and carbonic acid.
Which of the following abdominopelvic regions is medial and completely superior to the belly button?
a. hypochondriac b. umbilical c. hypogastric d. epigastric
During inspiration, contraction of the diaphragm causes the volume of Mr. Jones' thoracic cavity to increase and the pleural pressure to decrease. The pressure in his alveoli (Palv) will
A. decrease below atmospheric pressure (PB), causing air to move out of his lungs. B. become greater than atmospheric pressure (PB), causing air to move into his lungs. C. decrease below atmospheric pressure (PB), causing air to move into his lungs. D. become greater than atmospheric pressure (PB), causing air to move out of his lungs. E. does not change.