During inspiration,
A) intra-alveolar pressure falls below atmospheric pressure.
B) the diaphragm contracts.
C) the internal intercostal muscles contract.
D) both (a) and (b) above.
E) all of these answers.
Correct Answer:
Verified
Q8: Which of the following pressure (mm Hg)
Q9: The entire sequence of events involved in
Q10: At the end of a normal expiration
Q11: A transmural pressure gradient exists across the
Q12: Airway resistance
A) is normally the primary factor
Q14: Which activity below is not a respiratory
Q15: Which of the following pressure (mm Hg)
Q16: When intra-alveolar pressure becomes greater than atmospheric
Q17: The inspiratory muscles include the
A) diaphragm and
Q18: The lungs contain:
A) mostly smooth muscle
B) only
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