Correct Answer: B

Rationale: Taking antibiotics is a contraindication to receiving the MMR vaccine because antibiotics can potentially interfere with the effectiveness of the vaccine. It is essential to avoid administering the MMR vaccine while the child is on antibiotics to ensure the vaccine provides the intended protection.

Correct Answer: B

Rationale: Correct posture after feedings is crucial for an infant with gastroesophageal reflux to reduce the risk of regurgitation. Placing the infant upright helps prevent the backflow of stomach contents into the esophagus, minimizing symptoms of reflux.

Correct Answer: C

Rationale: Full analgesic effects can take up to 24 hours to develop with fentanyl patches. Most patches are changed every 72 hours. Has the same adverse effects as other opioids, including respiratory depression. Should avoid exposing the patch to external heat sources, because this may increase toxicity.

Correct Answer: B

Rationale: When fluconazole is taken with statins like simvastatin, it can increase the levels of the statin in the blood, potentially leading to adverse effects such as muscle pain and weakness. Therefore, the nurse should be concerned if the patient is taking simvastatin along with fluconazole.

Correct Answer: A

Rationale: By having the caregiver bring the child's familiar utensils, food, and high chair, the therapist can observe the child's typical eating behaviors and challenges accurately. This provides valuable insights that help in tailoring appropriate interventions to address feeding issues effectively.