Correct Answer: C

Rationale: Rinsing the mouth after using inhaled beclomethasone is important to prevent fungal overgrowth in the mouth, a common side effect of corticosteroid inhalers.

Correct Answer: A

Rationale: Weight gain is a common adverse effect of long-term prednisone use.

Correct Answer: A

Rationale: Lidocaine is administered to prevent dysrhythmias by delaying conduction in the heart and reducing the automaticity of heart tissue. This action helps stabilize the heart's electrical activity and prevent life-threatening arrhythmias post-cardiac arrest.

Correct Answer: D

Rationale: Regular insulin usually peaks around 1 to 5 hours after administration. This peak time frame is important to consider when managing blood glucose levels and timing meals to coincide with insulin activity.

Correct Answer: B

Rationale: To administer 4 mg from a solution of 10 mg/mL, the healthcare professional should administer 0.4 mL. The calculation is done by dividing the desired dose (4 mg) by the concentration of the solution (10 mg/mL), which equals 0.4 mL.