18. Immediately after ascending from sea level to 2100 m (7000 ft) above sea level, a healthy 27-year-old woman hyperventilates. Which of the following best explains the hyperventilation?

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Chapter39: The Respiratory System
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18. Immediately after ascending from sea level to 2100 m (7000 ft) above sea level, a healthy 27-year-old woman hyperventilates. Which of the following best explains the
hyperventilation?
A) Decreasing oxygen concentration in arterial blood stimulates the carotid and aortic bodies
B) Decreasing oxygen saturation in arterial blood stimulates the carotid and aortic bodies
C) Decreasing Po₂ in arterial blood stimulates the carotid and aortic bodies
D) Decreasing Po, in arterial blood stimulates central chemoreceptors
E) Decreasing Pco₂ in arterial blood stimulates carotid chemoreceptors
Transcribed Image Text:18. Immediately after ascending from sea level to 2100 m (7000 ft) above sea level, a healthy 27-year-old woman hyperventilates. Which of the following best explains the hyperventilation? A) Decreasing oxygen concentration in arterial blood stimulates the carotid and aortic bodies B) Decreasing oxygen saturation in arterial blood stimulates the carotid and aortic bodies C) Decreasing Po₂ in arterial blood stimulates the carotid and aortic bodies D) Decreasing Po, in arterial blood stimulates central chemoreceptors E) Decreasing Pco₂ in arterial blood stimulates carotid chemoreceptors
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