In a condition known as pleurisy, there is excess fluid in the pleural space. How would you expect this to affect the process of pulmonary ventilation?
A) Breathing would be labored and difficult.
B) It would be easier to expand the lungs on inspiration.
C) More air would be forced out during expiration.
D) Tidal volume would increase.
E) Ventilation would require less energy.
B) It would be easier to expand the lungs on inspiration.
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As an arterial pathway moves farther from the heart, the arteries
A. get larger. B. get smaller. C. show no change in their lumen size.
That part of the nervous system that is voluntary and conducts impulses from the CNS to the skeletal muscles is the ________ nervous system.
Fill in the blank(s) with the appropriate word(s).
FSH is
a. a pituitary hormone that stimulates antrum formation in developing ovarian follicles b. produced by developing ovarian follicles c. sometimes referred to as PRL in males d. both a and c e. both b and c
Exercise increases catecholamine release. Stimulation of ?-adrenergic receptors specifically leads to:
A. increased insulin secretion B. vasodilation of skeletal muscle arterioles C. vasoconstriction of splanchnic arterioles D. vasodilation of veins and lymphatics E. a positive inotropic effect on cardiac function