Multiple Choice
The nurse uses a diagram to show that when the diaphragm moves:
A) up, the increased negative pressure in the thoracic space forces air into the lungs.
B) down, the intercostal muscles retract, forcing air out of the lungs.
C) down, the negative pressure in the thoracic space pulls air into the lungs.
D) up, the decreased negative pressure allows air to enter the lungs.
Correct Answer:
Verified
Correct Answer:
Verified
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