Correct Answer: C

Rationale: The statement 'It is acceptable to take frequent bubble baths' indicates a need for further teaching because oils in bubble bath and similar products are known to irritate the urethra, potentially leading to recurrent urinary tract infections.

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: A

Rationale: The correct answer is A. The posterior fontanel should be closed by 4 months of age. An open posterior fontanel at this age may indicate a delay in normal closure, which could be a cause for concern and require further evaluation by the healthcare provider to ensure proper development and growth.

Correct Answer: A

Rationale: The most appropriate nursing intervention for a 7-year-old child with acute glomerulonephritis experiencing gross hematuria and bed rest is to provide activities for the child on restricted activity. Although the child may feel well, it is essential to limit activity until hematuria resolves to prevent complications and promote recovery.

Correct Answer: B

Rationale: Feeding a baby in a more upright position and no longer in sidelying is important around 4-6 months of age. At this stage, babies start developing better head and trunk control, which allows them to sit in a more upright position for feeding, promoting safer and more efficient swallowing and digestion.