The passageway between the oral cavity and the oropharynx is (the)
A) palatoglossal arch.
B) fauces.
C) palatopharyngeal arch.
D) uvula.
E) None of the answers are correct.
13)
B) fauces.
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Which of the following statements about the response of arteriolar smooth muscle to changing oxygen partial pressures is TRUE?
A. Systemic arterioles respond to a decrease in PO2 by constricting, but pulmonary arterioles dilate in response to decreased PO2. B. Both systemic and pulmonary arterioles respond to a decrease in PO2 by dilating. C. Both systemic and pulmonary arterioles respond to a decrease in PO2 by constricting. D. Changes in PO2 do not affect arteriolar smooth muscle in the pulmonary system. E. Systemic arterioles respond to a decrease in PO2 by dilating, but pulmonary arterioles constrict in response to decreased PO2.
Bones of a synovial joint are held together by
A. articular cartilage. B. a meniscus. C. a joint capsule. D. a synovial membrane.
Receptors in your stomach that determine when food enters because the pH changes would be classified as
A) mechanoreceptors. B) nociceptors. C) proprioceptors. D) baroreceptors. E) chemoreceptors.
What physiological factor is responsible for causing HAPE?
A. High pulmonary capillary hydrostatic pressure B. Vasodilation of pulmonary arterioles C. High colloid osmotic pressure in the pulmonary capillary D. None of the listed options causes HAPE.