In a child with failure to thrive, the indications for hospitalization include severe malnutrition or failure of outpatient management. The period after which the child needs hospitalization, if he has not been responded to outpatient management, is about

Correct Answer: B

Rationale: If outpatient management fails, hospitalization is indicated within 4 weeks to address nutritional and developmental concerns promptly.

Correct Answer: B

Rationale: Rapid correction of hypernatremia can cause cerebral edema. The recommended safe correction rate is no more than 12 mmol/L per 24 hours.

Correct Answer: A

Rationale: Immediate activation of basic life support is crucial for increasing survival chances in pediatric emergencies.

Correct Answer: A

Rationale: Serious illness typically leads to tachycardia, increased respiratory effort, and use of accessory muscles, while blood pressure may drop in shock.

Correct Answer: A

Rationale: Urbanization is primarily driven by industrial growth, which attracts people to cities in search of better employment opportunities.