How will hypoxia affect the pulmonary capillary bed and pulmonary vascular resistance?
a. The pulmonary vascular bed constricts and pulmonary vascular resistance decreases
b. The pulmonary vascular bed dilates and pulmonary vascular resistance falls
c. The pulmonary vascular bed constricts but the pulmonary vascular resistance does not change
d. The pulmonary capillary bed constricts and pulmonary vascular resistance increases
d. The pulmonary capillary bed constricts and pulmonary vascular resistance increases
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Which of the following is TRUE regarding the peripheral circulation?
A) Provide blood flow to the internal organs. B) The vessels lay closer to the surface of the body. C) Contains the large vessels of the body. D) Vessels vasodilate during hypovolemic shock.
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a. +5 kVp or +25%-30% b. +5-7 kVp or +50%-60% mAs c. –15%-20% kVp d. +50% mAs e. +35% mAs f. –8% kVp g. +35%-50% mAs