Decrease in alveolar oxygen concentration causes
a. vasoconstriction of the pulmonary arteriole.
b. relaxation of bronchiolar smooth muscle.
c. vasodilation of the pulmonary arteriole.
d. vasoconstriction of the pulmonary arteriole and vasodilation of the pulmonary arteriole.
e. vasoconstriction of the pulmonary arteriole and relaxation of bronchiolar smooth muscle.
E
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The cochlear duct (scala media) contains ________
A) perilymph B) epilymph C) otolymph D) endolymph
A(n) ____________________ develops following sustained anaerobic activity of muscles
Fill in the blank(s) with correct word
Blood velocity is measured in _________ and is generally _________ related to total cross-sectional area of blood vessels
A. cm/second; directly B. cm/second; inversely C. liter/min; directly D. liter/min; inversely
Lymphocytes and monocytes both arise from:
A) the lymphoid cell line. B) myeloblasts. C) the myeloid cell line. D) hematopoietic stem cells (HSCs).