Cardiopulmonary Anatomy & Physiology
7th Edition
ISBN: 9781337794909
Author: Des Jardins, Terry.
Publisher: Cengage Learning,
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Question
Chapter 9, Problem 1CAQ3
Summary Introduction
To review:
The things that stimulate the medulla to increase ventilation as an individual continues to ascend a mountain.
Introduction:
The specific neural areas are located in the pons and reticular substance of medulla oblongata. These areas regulate the intrinsic rhythmicity of respiration. There are two respiratory centers in the reticular substance of the medulla oblongata, namely, the dorsal respiratory groups and ventral respiratory groups.
Please refer to Clinical Application Case-1 for further information.
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12. Assume a normal female with a resting tidal volume of 400 mL, respiratory rate of 13 breaths/
min, and dead space of 125 mL. When she exercises, which of the following scenarios would be most
efficient for increasing her oxygen delivery to the
lungs?
a) increase respiratory rate to 20 breaths/min but no change in tidal volume
b) increase tidal volume to 550 mL but no change in respiratory rate
c) increase tidal volume to 500 mL and respiratory rate to 15 breaths/min
Explain the physiological mechanisms which cause Bertha respiratory rate to change during exercise
Cues vital signs before exercise: Rr 14bpm Sp02 98%, BP 130/70,Hr 74
After exercise Rr 20bpm, HR 90,BP 140bpm
Describe the effects of Increasing frequency vs tidal volume on minute ventilation and alveolar ventilation.
I'm confused about what type of effects it will cause.
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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