Correct Answer: A

Rationale: Frequent swallowing after tonsillectomy may indicate bleeding, which requires immediate assessment and intervention. Checking the child's throat for signs of bleeding is the priority to ensure timely identification and management of any potential bleeding complications.

Correct Answer: A

Rationale: In a sickle cell crisis, pain management is a priority due to the severe pain experienced by the child. Administering prescribed pain medication is crucial to alleviate the pain and provide comfort to the child. Once pain is controlled, other comfort measures like applying warm compresses and encouraging fluid intake can be implemented. Monitoring oxygen saturation is important but not the priority action when dealing with severe pain in a sickle cell crisis.

Correct Answer: D

Rationale: The most important information for the nurse to obtain is how often the MDI is used daily. This is crucial to assess if the symptoms of insomnia, shakiness, and rapid heart rate are related to overuse of the inhaler, leading to potential side effects such as systemic effects of beta-2 agonists.

Correct Answer: B

Rationale: Auscultating the heart and lungs while the infant is held can provide important diagnostic information in assessing the cardiac and respiratory status of the infant who had surgical correction for tetralogy of Fallot. This intervention can help the nurse identify any abnormal heart or lung sounds, which may indicate complications or issues that need further evaluation or intervention.

Correct Answer: A

Rationale: Using a peak flow meter daily is crucial as it helps monitor asthma control by measuring how well the child's lungs are functioning. This monitoring can indicate when intervention is needed before symptoms worsen or become severe, allowing for timely management of asthma exacerbations.