Cardiopulmonary Anatomy & Physiology
7th Edition
ISBN: 9781337794909
Author: Des Jardins, Terry.
Publisher: Cengage Learning,
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Chapter 8, Problem 2CAQ2
Case 2
The patient's fatigue and respiratory rate of 6 breaths/min further caused the ventilation- perfusion ratio to (______rise;________ fall).
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- Case 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 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 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 Because of the lung hyperinflation described in question 1, the patient was generating (small_________; large_____) pleural pressure changes with (little or no ________ moderate to large_________) volume changes.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_forwardCase 2 As a result of the hyperinflation, the patient's work of breathing increased because her lungs were inflated to the very top of their pressure- volume curve. As the pressure-volume curve illustrates, lung compliance is very (high __________; low_______) on the upper, flat portion of the pressure-volume curve.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 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 4. The negative trans mural pressure in this case was offset by (1) ______________________________________ and (2) _______ ____________________________________________________ ____________________________________________________arrow_forward
- Which of the following forced expiratory measurements reflects the status of medium-sized to small-sized airways? A. FEF200-1200 B. PEFR C. MVV D. FEF25%-75%arrow_forwardCase 2 5. A product of the time constants is the measurement called dynamic compliance, which is the change in volume of the lungs divided by the change in the transpulmonary pressure during the time for one breath. During an asthmatic episode, the patient's dynamic compliance (increases _________; decreases ___________________; remains the same____________________).arrow_forwardCase 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_forward
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