Cardiopulmonary Anatomy & Physiology
7th Edition
ISBN: 9781337794909
Author: Des Jardins, Terry.
Publisher: Cengage Learning,
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Chapter 8, Problem 1CAQ1
Summary Introduction
To review:
The result of the continuous loss of blood on the alveolar ventilation of the patient.
Introduction:
Ideally, the alveoli in the lungs need to receive an equal amount of ventilation and blood flow; however, this is not possible because the ventilation is about 4 L/min (liter per minute) and the capillary blood flow is 5 L/min. This ratio of ventilation to perfusion is referred to as ventilation–perfusion ratio (V/Q).
Please refer to Clinical Application Case-1 for further information.
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- Case 1 Because this patient's ribs were broken on the right side, his right chest (bulged outward _____; caved inward_____) during each inspiration.arrow_forwardCase 1 As a result of the severe left heart failure and increased pulmonary blood pressure in the case, fluid moved out of the pulmonary capillaries and into the extracapillary spaces. The pathologic process caused the thickness of the alveolar-capillary membrane to______arrow_forward4. The number of alveoli continues to increase until about A. 6 years of age B. 8 years of age C. 10 years of age D. 12 years of agearrow_forward
- Case 1 The pathophysiologic process that developed in this case was corrected with______. During each breath, the patient's chest wall (caved inward_____________; moved outward __________) and then returned to normal ___________at the end of each expiration.arrow_forwardCase 2 As the airway resistance increased in this case, the alveoli distal to the bronchial constriction required (shorter______; longer_______) time to inflate. These alveoli are said to have a (short______; long _________) time constant.arrow_forwardCase 1 2. As a result of the previously described condition, the patient's right lung__________, which in turn caused an acute (decreased ______; increased_____) lung compliance condition.arrow_forward
- Case 2 1. This patient demonstrated both obstructive and restrictive lung disorders. During the first part of the case, which pulmonary function studies verified that the patient had an obstructive pulmonary disorder? _______________________ ________________________arrow_forwardCase 2 As fluid accumulated in the patients alveoli, the diffusion of oxygen into the pulmonary capillaries decreased. This was verified by the __________________________________.arrow_forwardCase 1 When the patient was in the emergency department what pulmonary function measurement served as an important clinical indicator of the severity of the patient's asthma attack?arrow_forward
- Suppression of the peripheral chemoreceptors begins when the Po2 falls below A. 50 mm Hg B. 40 mm Hg C. 30 mm Hg D. 20 mm Hgarrow_forward3. During acute alveolar hyperventilation, the blood 1. increases 2. decreases 3. increases 4. pH decreases A. 2 only B. 4 only C. 1 and 3 only D. 2 and 4 onlyarrow_forward6. During a normal exhalation, the 1. intra-alveolar pressure is greater than the atmospheric pressure. 2. pleural pressure is less than the atmospheric pressure. 3. intra-alveolar pressure is in equilibrium with the atmospheric pressure. 4. pleural pressure progressiverly decreases. A. 1 only B. 4 only C. 1 and 2 only D. 3 and 4 onlyarrow_forward
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