The main differentiating item between intermittent versus persistent allergic rhinitis is

Correct Answer: B

Rationale: Persistent allergic rhinitis is characterized by more frequent and troublesome symptoms that impact daily life, distinguishing it from intermittent cases, which occur less frequently.

Correct Answer: B

Rationale: Three or more wheezing episodes lasting over one day in a year indicate persistent asthma, warranting long-term control therapy.

Correct Answer: A

Rationale: Hypernatremic dehydration occurs when water loss exceeds sodium loss, leading to increased serum osmolality (>295 mOsm/L) and sodium levels (>145 mEq/L). This can result from inadequate fluid intake, excessive sweating, or osmotic diuresis.

Correct Answer: A

Rationale: The AVPU scale (Alert, Verbal, Pain, Unresponsive) is a simple tool for assessing consciousness in children and adults. It is often used in emergency settings for quick neurological evaluation.

Correct Answer: D

Rationale: Insomnia is not a typical feature of atypical depression, which instead involves hypersomnia.