WHAT IS LIFE ACHIEVE ACCESS ONLY >I<
5th Edition
ISBN: 9781319487317
Author: PHELAN
Publisher: INTER MAC
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Chapter 22, Problem 7MC
Summary Introduction
Introduction:
When the body is at rest, only a fraction of the oxygen is given up, for normal
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Oxygen travels in the blood in order to reach cells in need of oxygenation. The amount of O2 that travels dissolved in the plasma and not attached onto hemoglobin is approximately
a. 98%
b. 7%
C. 35%
d. 2%
If a patient has a Hb level of 14 g/dL and a Pa(o2) of 55 mm Hg (85 percent saturated with oxygen), approximately how much oxygen is transported to the peripheral tissues in each 100 mL of blood? A. 16 mL/dL B. 17 mL/dL C. 18 mL/dL D. 19 mL/dL
The maximum alveolar ventilation generated during heavy exercise under normal conditions is about what percent of the maximum voluntary ventilation? A. 20-35 percent B. 30-45 percent C. 40-55 percent D. 50-65 percent
Chapter 22 Solutions
WHAT IS LIFE ACHIEVE ACCESS ONLY >I<
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- If cardiac output is 16L/min during jogging, and 25% of total blood flow is being diverted to skeletal muscle, how much blood is being delivered to skeletal muscle in L/min? a. 2 b. 5 c. 6 d. 1 e. 4 f. 3arrow_forwardPulmonary edema can occur at high altitude this is happening because a. Of the swelling of the brain b. Of the leakage of fluid out of capillaries in the lung c. The blood pressure has dropped to low d. Of the shortage of breatharrow_forwardMost of the lung function indices reach their maximum levels between A. 5-10 years of age B. 10-15 years of age C. 15-20 years of age D. 20-25 years of agearrow_forward
- In order for oxygen to be transported an arterial blood it can a. All answers are correct b. attached to hemoglobin and float freely in the plasma c.attached to bicarbonate d. attached to hemoglobin e.float freely in the plasmaarrow_forwardThe majority of oxygen in the blood is transported by ________. a. dissolution in the blood b. being carried as bicarbonate ions c. binding to blood plasma d. binding to hemoglobinarrow_forwardWhich of the following will NOT facilitate the transfer of oxygen to tissues? a. decreased body temperature b. decreased pH of the blood c. increased carbon dioxide d. increased exercisearrow_forward
- if total lung capacity is 7 L and FEV1 remaining volume is 3L, what fraction of the total lung capacity is forced out during expiration? A. 42% B. 50% C. 57% D. 75%arrow_forwardRespiratory alkalosis is recognized as a respiratory rate in excess of that which maintains normal plasma PCO2 levels. What is a common cause of respiratory alkalosis?a. Hyperventilation syndromeb. Hypoventilation syndromec. Cluster breathingd. Kussmaul breathingarrow_forwardDuring respiration, oxygen is inhaled through the airways into the alveoli where gas exchange occurs. For each condition described below, state if the flux of oxygen through the blood gas barrier into the pulmonary capillaries increases or decreases. Use Fick’s law to justify your answer. a. Climbing to the top of Mt. Everest b. More abundant but smaller alveoli c. Extreme increase in pulmonary capillary pressure d. Pulmonary fibrosisarrow_forward
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