All the following are recognized features of 'well-controlled' asthma in a 7-year-old boy EXCEPT

Correct Answer: D

Rationale: More than 2 exacerbations per year suggest suboptimal asthma control, requiring reassessment of management strategies.

Correct Answer: D

Rationale: Anorexia nervosa is a serious eating disorder characterized by a persistent restriction of food intake, leading to significantly low body weight. Individuals with anorexia have an intense fear of gaining weight or becoming fat, despite being underweight. The disorder results in severe weight loss due to excessive dieting, exercising, or other behaviors to control weight. It is not caused by a posterior pituitary disorder, nor is it limited to a specific gender or socioeconomic group.

Correct Answer: D

Rationale: A mid-diastolic rumble at the lower left sternal border is characteristic of a large atrial septal defect (ASD) due to increased flow across the tricuspid valve.

Correct Answer: D

Rationale: Motor automatisms after severe birth asphyxia are often associated with a poor prognosis due to significant brain injury. The other options describe features of seizures but not specifically the prognosis.

Correct Answer: C

Rationale: Atelectasis typically causes dullness to percussion due to lung collapse. It pulls the mediastinum toward the affected side and leads to decreased breath sounds.