Cardiopulmonary Anatomy & Physiology
Cardiopulmonary Anatomy & Physiology
7th Edition
ISBN: 9781337794909
Author: Des Jardins, Terry.
Publisher: Cengage Learning,
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Chapter 9, Problem 9RQ
Summary Introduction

Introduction:

The peripheral chemoreceptors are oxygen sensitive cells that respond to the decreased levels of oxygen in the arterial blood. There are some other factors, apart from oxygen levels, which facilitate the stimulation of peripheral chemoreceptors.

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7. The primary signal detected by the peripheral chemoreceptors is   A. An increase in PO2   B. A decrease in PO2   C. An increase in pH   D. A decrease in PCO2   E. None of the above
In the healthy individual in the upright position, the 1. V/Q ratio is highest in the lower lung regions 2. PA(co2) is lowest in the upper lung regions 3. V/Q ratio is lowest in the upper lung regions 4. PA(CO2) is highest in the lower lung regions A. 1 only B. 2 only C. 4 only D. 3 and 4 only
Which of the following cause(s) passive changes in the pulmonary vascular resistance? 1. pH changes 2. Transpulmonary pressure changes 3. P(co2) changes 4. Blood viscosity changes A. 2 only B. 3 only C. 1 and 3 only D. 2 and 4 only
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