Correct Answer: C

Rationale: Trimethoprim-sulfamethoxazole (Bactrim) can cause side effects like rash, urticaria, and photosensitivity. Parents and the child should be educated on these potential side effects to ensure prompt recognition and management.

Correct Answer: A

Rationale: Hirschsprung disease is characterized by the absence of ganglion cells in a segment of the colon, leading to a lack of peristalsis and obstruction. The other options do not accurately describe this condition.

Correct Answer: B

Rationale: The Numeric scale is the most appropriate tool for assessing pain in older children, like a 12-year-old, as they can comprehend and use numbers to indicate their pain levels accurately. The FLACC scale is typically used for nonverbal or preverbal children. The NIPS scale is designed for neonates and infants. The FACES scale is more commonly used in younger children who may have difficulty expressing their pain in other ways.

Correct Answer: A

Rationale: The correct action when intermittently gavage feeding a preterm infant is to allow the formula to flow by gravity. This method helps prevent overfeeding and aspiration, which can occur if the formula is delivered too quickly under pressure. Choice B is incorrect as sucking on the tube can cause complications. Choice C is incorrect as the tube is typically inserted through the mouth. Choice D is incorrect as steady pressure can lead to rapid delivery of the formula, increasing the risk of complications.

Correct Answer: D

Rationale: Post-urination dribbling is a symptom of bladder obstruction due to the incomplete emptying of the bladder. A strong urinary stream is typically absent in such cases. UTIs are common, but dribbling is more directly related to the obstruction.