ATI RN
Respiratory System Practice Questions Questions
Question 1 of 5
What does gas exchange in alveoli depend on?
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 2 of 5
Which factor shifts the hemoglobin-oxygen dissociation curve to the left?
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 3 of 5
Which statement about obstructive lung disease is FALSE?
Correct Answer: C
Rationale: In obstructive lung disease (e.g., COPD), expiration becomes active due to airway obstruction, and expiratory muscles may be used even at rest. The diaphragm is primarily inspiratory, and external intercostals aid inspiration. The diaphragm being 'only' inspiratory is true, not false, suggesting a possible error in the key.
Question 4 of 5
When blood CO₂ levels rise:
Correct Answer: B
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 5 of 5
In normally functioning lungs, the intrathoracic pressure is always greater than the intrapulmonic pressure.
Correct Answer: B
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.