Correct Answer: C

Rationale: The correct answer is C: Acute renal failure in children is often reversible, especially when the underlying cause is identified and treated promptly. It does not always lead to chronic renal failure or the need for a kidney transplant. Choice A is incorrect as prophylactic antibiotics for life are not a standard treatment for acute renal failure. Choice B is incorrect as acute renal failure does not always progress to chronic renal failure. Choice D is incorrect as not all children with acute renal failure will eventually require a kidney transplant.

Correct Answer: B

Rationale: A resting pulse rate of 120 is elevated for a 4-year-old and may indicate an underlying issue that needs further investigation. An ectomorphic body type is a body shape and not typically a cause for concern. Weight gain within normal limits and no significant change in appetite are generally positive findings in a growing child.

Correct Answer: D

Rationale: Physical punishment, such as spanking, may result in children misbehaving when parents are not present, as it does not teach appropriate behavior or self-regulation.

Correct Answer: A

Rationale: Adolescents who are overweight often struggle with poor body image, which can lead to low self-esteem and mental health issues. Addressing body image concerns and promoting healthy lifestyle changes are important aspects of care. Choices B, C, and D are incorrect. Sexual promiscuity is not a direct psychological effect of being overweight; feelings of contempt for thin peers are not a common or recommended psychological response; lack of independence is a broad term that does not specifically relate to the psychological effects of being overweight.

Correct Answer: C

Rationale: Family systems theory views the family as an interconnected system where changes in one member affect the entire family, making it ideal for assessing group dynamics.