Correct Answer: D

Rationale: Lemonade is the correct choice for a teenager with sickle cell anemia as it provides hydration without caffeine, which is important for individuals with this condition. Caffeine can lead to dehydration, vasoconstriction, and potentially worsen symptoms in sickle cell anemia patients.

Correct Answer: C

Rationale: Tugging at the ear is a common symptom in children with otitis media. It often indicates discomfort or pain in the ear, suggesting inflammation or infection in the middle ear. This behavior is frequently observed in young children who are unable to express their discomfort verbally, making it a significant clinical indicator for otitis media in this age group.

Correct Answer: B

Rationale: In children with gastroenteritis, assessing hydration status is essential as they are at risk of dehydration from vomiting and diarrhea. Monitoring hydration helps prevent complications and guides appropriate interventions to maintain the child's fluid balance.

Correct Answer: B

Rationale: The absence of babbling in a 7-month-old infant is a concerning auditory development milestone. Babbling is an early stage of language development which involves making various sounds. A lack of babbling could indicate a hearing impairment or other auditory issues. Therefore, the practical nurse should focus on assessing the infant's auditory function to determine if further evaluation or intervention is necessary.

Correct Answer: A

Rationale: Describing the position helps the child understand what to expect and reduces anxiety.