Maintenance fluid for a child weighing 20kg?

Correct Answer: B

Rationale: The Holliday-Segar method suggests 100 mL/kg for the first 10 kg and 50 mL/kg for the next 10 kg, totaling 1500 mL for a 20 kg child.

Correct Answer: B

Rationale: Exercise does not contribute to hormonal rhinitis, which is typically associated with hormonal imbalances from conditions such as pregnancy, thyroid dysfunction, or systemic diseases.

Correct Answer: A

Rationale: Biologics target specific immune pathways, such as TNF-alpha or IL-6, to reduce inflammation in rheumatoid arthritis.

Correct Answer: B

Rationale: Abdominal masses are the most frequent clinical presentation in pediatric Non-Hodgkin lymphoma, often due to involvement of the intestines or lymphatic tissue.

Correct Answer: A

Rationale: Truancy is not considered normal behavior in young children and may indicate underlying issues.