Correct Answer: B

Rationale: When taking a child's blood pressure, the nurse should select a cuff with a bladder width that covers 40% of the arm circumference at the midpoint of the upper arm. This ensures accurate readings. Choosing a cuff that covers less or more than 40% can lead to incorrect blood pressure measurements. Therefore, options A, C, and D are incorrect.

Correct Answer: C

Rationale: The correct teaching point the nurse should include is to advise the adolescent client who participates in soccer to increase food intake. Physical activity increases glucose utilization, so adolescents with diabetes need to consume additional carbohydrates to prevent hypoglycemia during and after exercise. Choice A (Decreased food intake) is incorrect because the adolescent needs extra carbohydrates to support the increased physical activity. Choice B (Increased doses of insulin) is incorrect as the focus should be on adjusting food intake rather than insulin doses. Choice D (Decreased doses of insulin) is also incorrect as the insulin doses should be adjusted based on the increased food intake and physical activity level.

Correct Answer: A

Rationale: A fistula typically has fewer complications, allows for greater freedom of movement, and involves natural vessel changes that improve dialysis efficiency. However, it is not ready for immediate use, which is why it may take weeks to mature before it can be used.

Correct Answer: D

Rationale: The correct answer is D. Preschool-age children often attribute illness to their actions, like yelling at a sibling or not following instructions. They may not understand medical causes such as exposure to infections like strep throat (choice A), dietary factors (choice B), or vitamin deficiencies (choice C). It is common for young children to connect symptoms to recent behaviors or events within their limited understanding.

Correct Answer: C

Rationale: The primary purpose of an NG tube post-surgery for Hirschsprung disease is to prevent abdominal distention by decompressing the stomach and intestines. This helps prevent complications and promotes healing.