Correct Answer: C

Rationale: Urinary tract infections are a common cause of sudden onset urinary incontinence in children. While school phobia and ADHD can cause behavioral changes, a medical condition like a UTI should be ruled out first.

Correct Answer: C

Rationale: Elevating the scrotum with a rolled washcloth helps reduce edema by promoting fluid drainage. Ice packs are not recommended due to the risk of frostbite, and warm moist packs are not typically used for this purpose. An upright position does not specifically address the edema.

Correct Answer: D

Rationale: The correct answer is D. The child is slightly taller than average, but the weight is within normal limits. This information should be reassuring to the parent and provides insights into normal growth patterns. Choice A is incorrect as it inaccurately states that the child is taller than other children this age. Choice B is incorrect because the child's weight is actually within normal limits. Choice C is incorrect as it inaccurately states that the child is shorter in stature than other children this age.

Correct Answer: B

Rationale: A sunken fontanel is a classic sign of dehydration in infants, indicating a fluid volume deficit. In dehydration, the fontanel sinks due to decreased fluid volume in the body. Increased blood pressure (Choice A) is not typically associated with dehydration in infants. Decreased pulse rate (Choice C) is not a common finding in fluid volume deficit, as the body tries to increase the heart rate to compensate for decreased volume. Low urine specific gravity (Choice D) may be seen in dehydration, but it is not as specific or as easily observable as a sunken fontanel.

Correct Answer: B

Rationale: Toilet training should begin when the child has sufficient bladder capacity and control, which may be delayed in children who have undergone surgical repairs for conditions like bladder exstrophy. Premature training can lead to frustration and setbacks.