The parent or legal guardian of a seven-year-old child must approve any medication orders, because a child of this age fails to meet which two of the four elements of informed consent?

Correct Answer: B

Rationale: A 7-year-old lacks competence (ability to understand) and comprehension (grasping implications) (B), requiring guardian consent. Autonomy, veracity, confidentiality, beneficence, disclosure, and voluntariness are adult-focused.

Correct Answer: C

Rationale: Managing childhood obesity requires addressing diet and physical activity (C) for sustainable health, per pediatric guidelines. Activity alone (A), crash diets (B), and ignoring psychology (D) are ineffective or harmful.

Correct Answer: C

Rationale: Bulimia nervosa (C) involves binge eating and purging (e.g., vomiting, exercise), per DSM-5. Obesity (A) is a condition, anorexia (B) restriction, and autism (D) is unrelated.

Correct Answer: A

Rationale: Thumb sucking (A) is a common nervous habit in children, a self-soothing behavior. Reading (B), sports (C), and singing (D) are not typically linked to nervousness.

Correct Answer: D

Rationale: Temper tantrums often stem from hunger (A), fatigue (B), or attention-seeking (C); all (D) are typical triggers in young children.