Cardiopulmonary Anatomy & Physiology
7th Edition
ISBN: 9781337794909
Author: Des Jardins, Terry.
Publisher: Cengage Learning,
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Chapter 9, Problem 4RQ
Summary Introduction
Introduction:
Blood-brain barrier is a semipermeable barrier that separates the circulating blood from the extracellular fluid and brain in the central nervous system. It is formed by the endothelial cells of the capillary wall. This barrier restricts the movement of some molecules while facilitating the movements of other molecules.
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Chapter 9 Solutions
Cardiopulmonary Anatomy & Physiology
Ch. 9 - The respiratory components of the medulla consist...Ch. 9 - 2. Which of the following has the most powerful...Ch. 9 - Prob. 3RQCh. 9 - Prob. 4RQCh. 9 - When the systemic blood pressure increases, the...Ch. 9 - The peripheral chemoreceptors are significantly...Ch. 9 - Stimulation of the peripheral chemoreceptors can...Ch. 9 - Suppression of the peripheral chemoreceptors...Ch. 9 - Prob. 9RQCh. 9 - Prob. 10RQ
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- Your patient has just taken his metered dose inhaler. Which of the following side effects should you expect? A) Decreased level of consciousness B) Decreased blood pressure C) DIfficulty swallowing D) Increased heart ratearrow_forwardWhich one of the following is NOT a feature of chronic obstructive pulmonary disease (COPD)? Question options: A) Frequent pulmonary infections are common. B) Most patients have a genetic predisposition to COPD. C) Dyspnea becomes progressively more severe. D) Most patients have a history of smoking. E) Most COPD victims are hypoxic.arrow_forwardA patient who breathes very slowly when wearing a low Flow of oxygen device would have: A. An increased concentration of oxygen in the lungs B. A decreased concentration of oxygen in the lungs C. There is no effect on oxygen concentration in the lungs D. There is a minimal if no effect on oxygen concentration in the lungsarrow_forward
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- In a patient admitted in the hospital has ventilation of 3 lit/min and cardiac output is 2 lit./min. Which of the following statements is/are correct.? a. His V/Q ratio is 0.6 Which is a shunt unit. b. His V/Q ratio is 1.5 which is a dead space unit. c. A patient could be suffering from MI. d. Both (b) and (c) are CORRECT. e. None of the above is CORRECT.arrow_forwardYour adult patient seems to pale and breathing 16 times per minute. WHich of these signs would youe xpect to see if breathing was inadequate? A) Weak pulse B) Slow heart rate C) SHallow breathing D) Good breathing soundsarrow_forwardCarbon monoxide poisoning occurs because a. CO2 and O2 compete for the same binding site on hemoglobin. b. CO and CO2 compete for the same binding site. c. Hemoglobin in the presence of CEO destroys the oxygen. d. All answers are correctarrow_forward
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