You are treating a 6-year-old child who survived drowning after prolonged CPR. The mother asks about the possibility of full neurological recovery. The BEST response is that it is possible if the child regains full consciousness within:

Correct Answer: C

Rationale: The likelihood of full neurological recovery in drowning victims is high if full consciousness is regained within 24 hours, as prolonged unconsciousness increases the risk of long-term neurological deficits.

Correct Answer: A

Rationale: Applying vegetable oil or butter to burns can trap heat and worsen the injury, making it an inappropriate first aid measure.

Correct Answer: C

Rationale: The anion gap reflects unmeasured anions in plasma. It is calculated as Na+ - (Cl- + HCO3-) and helps differentiate types of metabolic acidosis.

Correct Answer: B

Rationale: Tumor lysis syndrome results from rapid tumor cell breakdown, leading to hyperkalemia due to massive potassium release from lysed cells.

Correct Answer: B

Rationale: Gardner syndrome does not typically increase radiation sensitivity, whereas the other conditions involve DNA repair defects or chromosomal instability.