Multiple Choice
What happens to a dust particle that is too small to fall from the inspired air and land in the alveoli?
A) It lands in the respiratory bronchiole, where it is coughed out
B) It lands in the mucociliary ladder, where type II macrophages phagocytize it.
C) It is inhaled and then exhaled.
D) It lands in the bronchi, where it is absorbed.
E) It lands in the mucociliary ladder, where it is moved to the trachea to be exhaled.
Correct Answer:
Verified
Correct Answer:
Verified
Q5: During expiration, the intra -alveolar pressure decreases,
Q6: As the volume of the lungs increases,
Q7: The volume of air in the lungs
Q8: Which of the following specifically describes the
Q9: What are the primary inspiratory muscles?<br>A) diaphragm
Q11: A decrease in_ is indicative of a
Q12: The trachea rhythmically collapses and expands during
Q13: What is the thin barrier (0.2 µm)
Q14: What is the function of ciliated cells
Q15: What is the primary determinant of airway