Correct Answer: D

Rationale: A significant drop in heart rate and blood pressure should be reported immediately as it may indicate worsening of the congenital heart defect. A decrease in blood pressure may suggest poor cardiac output and compromised perfusion, requiring urgent medical attention.

Correct Answer: A

Rationale: During chemotherapy, children may experience nausea. Providing small, frequent meals can help manage nausea as they are easier to tolerate, reducing the likelihood of vomiting. It is important to offer bland, non-spicy foods to avoid exacerbating nausea. Encouraging large meals less frequently or allowing the child to eat whatever they want may overwhelm the digestive system and worsen nausea.

Correct Answer: C

Rationale: Increased urine output is a positive sign indicating that the child's hydration status is improving. It suggests that the kidneys are functioning more effectively and able to excrete urine, which is a crucial indicator of improved hydration levels in a dehydrated patient.

Correct Answer: C

Rationale: The nurse's priority is to first reassure the mother that she is using albuterol correctly to open her son's airways during episodes of difficulty breathing. This reassurance helps build trust and ensures that the child receives the intended benefit of the medication. Once the mother feels confident in her administration technique, the nurse can then provide further education or address any concerns about the child's asthma management.

Correct Answer: B

Rationale: The correct answer is B. Airway clearance exercises are essential for individuals with cystic fibrosis to prevent mucus buildup in their lungs. It is crucial to perform these exercises regularly, even when feeling well, to maintain lung health and prevent complications. Therefore, the statement indicating that the exercises are not needed if feeling okay shows a misunderstanding and requires further teaching.