Encopresis means:

Correct Answer: C

Rationale: Encopresis is the repeated, involuntary passage of stool in inappropriate places, often due to chronic constipation or psychological issues in children.

Correct Answer: A

Rationale: Viral pneumonia often presents with hyperinflation, interstitial infiltrates, and peri-bronchial cuffing on chest X-ray.

Correct Answer: B

Rationale: The correct answer is B. When introducing solid foods to infants, it is important to introduce one food item at a time, with intervals of 4 to 7 days between each new food. This allows for the identification of any potential food allergies or intolerances. It is important to proceed gradually and monitor for any adverse reactions.

Correct Answer: C

Rationale: Ventricular septal defect (VSD) is the most common congenital acyanotic heart defect, accounting for a significant proportion of congenital heart diseases.

Correct Answer: D

Rationale: In Munchausen by proxy, symptoms tend to worsen when the caregiver is present rather than disappearing. The parent may appear overly attentive but actually induces or fabricates illness in the child.