Prior to extubation, and in order to reduce airway narrowing, it is advised to use:

Correct Answer: C

Rationale: Inhaled corticosteroids like budesonide can effectively reduce airway narrowing and inflammation after extubation, minimizing the risk of post-extubation stridor.

Correct Answer: D

Rationale: Adrenarche typically begins around age 8, characterized by increased adrenal androgen production leading to body odor and pubic hair growth.

Correct Answer: C

Rationale: Exposure to non-TB mycobacteria can cause cross-reactivity, leading to a false-positive tuberculin skin test.

Correct Answer: D

Rationale: Income inequality often leads to higher crime rates as individuals in lower-income brackets may resort to illegal activities due to lack of resources.

Correct Answer: B

Rationale: Oxygen saturation refers to the percentage of hemoglobin molecules bound with oxygen. A SpO2 of 90% suggests moderate hypoxemia, correlating with a PaO2 of approximately 60 mmHg.