Correct Answer: B

Rationale: The patient is exhibiting symptoms of anaphylaxis triggered by a peanut allergy, which is a severe and potentially life-threatening allergic reaction. The appropriate medication for anaphylaxis is epinephrine. Epinephrine acts quickly to reverse the symptoms by constricting blood vessels, relaxing bronchial muscles, and reducing laryngeal edema, making it the drug of choice for this situation. Promethazine, diphenhydramine, and hydroxyzine are not the first-line treatments for anaphylaxis and may not address the severe manifestations seen in this case.

Correct Answer: A

Rationale: For a child with cystic fibrosis, a high-calorie, high-protein diet is recommended to meet the increased metabolic needs associated with the condition. The protein helps with growth and repair, while the extra calories help compensate for malabsorption and increased energy requirements.

Correct Answer: C

Rationale: Prior to hydrotherapy for wound debridement, it is crucial to administer an analgesic to the preschooler. The procedure is known to be extremely painful, and providing analgesia or sedation is essential to manage the discomfort and pain experienced by the child during the treatment.

Correct Answer: C

Rationale: The nurse should monitor the child’s weight daily to assess the effectiveness of treatment for osteomyelitis and detect potential complications.

Correct Answer: A

Rationale: In the DSM V, one of the key diagnostic criteria for Autism Spectrum Disorder (ASD) is unusual responses to sensory input. These atypical responses can include hypersensitivity or hyposensitivity to sensory stimuli, such as sound, touch, taste, or smell. These sensory processing differences are important in the diagnosis of ASD because they can significantly impact an individual's daily functioning and behavior.