An improvement in exertional dyspnea indicates what about IPAH treatment?

Correct Answer: C

Rationale: Because a major symptom of IPAH is exertional dyspnea, an improvement in this symptom would indicate that the medication was effective.

Correct Answer: D

Rationale: Routine scheduling of airway clearance techniques is an essential intervention for patients with CF. A sweat chloride test is used to diagnose CF, but it does not provide any information about the effectiveness of therapy.

Correct Answer: B

Rationale: Oxygen is in group 16, where elements have their outermost electrons in p orbitals, placing it in the p block.

Correct Answer: A

Rationale: The neurologic system controls respiratory drive, initiating the process of gas exchange; the pulmonary system delivers oxygen, and the cardiovascular system perfuses it, but the neurologic system starts it.

Correct Answer: A

Rationale: Febrile episodes (fever) can exacerbate asthma by increasing respiratory demand and triggering inflammation.