The chemoreceptors that send sensory input to the respiratory centers are found in the following locations except the ________.
A. walls of external carotid arteries
B. medulla oblongata
C. pons
D. wall of aortic arch
Answer: C
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The entire array of protective mechanisms in the respiratory system is called the
A) respiratory immunity. B) macrophage complex. C) respiratory defense system. D) acquired respiratory defense. E) mucus escalator.
Which of the following statements about the functions of the respiratory system is true?
a. the respiratory system works in conjunction with other systems in the body to produce articulated speech b. the respiratory structures warm, filter, and humidify the air we breathe c. the nasal mucosa lining the upper nasal cavity is lined with olfactory receptors enabling the sense of smell d. all of the listed statements are true
An anatomic image created from sound waves is a
A. radiograph. B. CT scan. C. MRI. D. sonogram.
The volume of air available for gas exchange per minute is called the
A. vital capacity. B. alveolar ventilation. C. minute respiratory volume. D. functional residual capacity. E. respiratory rate.