Human Anatomy and Physiology Study Set 1
Quiz 21: The Respiratory System
Where Are the Central Chemoreceptors Located
Where are the central chemoreceptors located? A) carotid arteries B) both the carotid arteries and the aorta C) medullary reticular formation D) aorta
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Peripheral chemoreceptors are most sensitive to: A) concentration of hydrogen ions in cerebrospinal fluid. B) partial pressure of carbon dioxide in the blood. C) partial pressure of oxygen in arterial blood. D) concentration of hydrogen ions in the blood.
Which of the following triggers hyperventilation? A) low concentration of hydrogen ions in arterial blood. B) high partial pressure of oxygen in arterial blood. C) low partial pressure of carbon dioxide in arterial blood. D) high partial pressure of carbon dioxide in arterial blood.
What is typical of restrictive lung diseases? A) decreased efficiency of expiration B) decreased alveolar surface tension C) increased vital capacity D) decreased pulmonary compliance
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