Multiple Choice
The central chemoreceptors are primarily sensitive to blood levels of
A) oxygen.
B) carbon dioxide and [H+].
C) sodium.
D) potassium.
Correct Answer:

Verified
Correct Answer:
Verified
Q29: Which of the following is most related
Q30: The trachea<br>A)contains C-shaped cartilaginous rings.<br>B)encircles the pulmonary
Q31: Which of the following structures controls respirations?<br>A)Medulla
Q32: The phrenic nerve fires.Which event occurs next?<br>A)The
Q33: Inspiratory and expiratory neurons<br>A)are located within the
Q35: The lungs contain the<br>A)inspiratory and expiratory neurons.<br>B)structures
Q36: The respiratory tract<br>A)includes the mouth,pharynx,trachea,and esophagus.<br>B)contains conductance,resistance,and
Q37: Hypoventilation is most apt to<br>A)increase blood pH.<br>B)induce
Q38: Which substance greatly reduces the attractive forces
Q39: The Adam's apple is<br>A)cartilage.<br>B)the epiglottis.<br>C)the primary site