Multiple Choice
Which of the following will cause the intrapulmonic pressure to become less than atmospheric pressure?
A) Relaxation of the respiratory muscles
B) Increase in thoracic volume
C) Secretion of surfactants
D) 95% oxygen saturation
Correct Answer:

Verified
Correct Answer:
Verified
Q82: In which structure is the PO₂ 104
Q83: Which event occurs first?<br>A)The diaphragm contracts.<br>B)Air moves
Q84: Which of the following occurs on exhalation?<br>A)Respiratory
Q85: The diaphragm<br>A)is smooth muscle that forms the
Q86: Which of the following is most likely
Q88: The collection of mucus in the lower
Q89: As plasma PCO₂ increases,<br>A)hemoglobin synthesis increases.<br>B)ventilation increases.<br>C)vital
Q90: The Hering-Breuer reflex<br>A)prevents overinflation of the lungs.<br>B)is
Q91: What will happen under the following conditions:
Q92: Most CO₂ is transported in the blood<br>A)by