Correct Answer: D

Rationale: The correct answer is Daily weight. Daily weight is a crucial assessment in infants at risk for dehydration because changes in weight can indicate fluid balance and dehydration status. It is essential to monitor daily weight to promptly identify and manage dehydration in infants.

Correct Answer: B

Rationale: Children with brain tumors commonly experience frequent headaches due to increased intracranial pressure. This pressure can result in pain and discomfort, leading to headaches as a common symptom. Other symptoms may include nausea, vomiting, changes in vision, and behavioral changes, but headaches are a prominent feature in children with brain tumors.

Correct Answer: B

Rationale: The nurse should instruct the parent to expose the infant's skin to air as it helps in promoting the healing process of diaper dermatitis by allowing the skin to breathe and reducing moisture, which can worsen the condition.

Correct Answer: A

Rationale: Seizures are a significant concern in severe hyponatremia as they indicate potential neurological complications and the need for urgent intervention to prevent further harm to the child. Prompt reporting of seizures allows for timely assessment and appropriate treatment to ensure the child's safety and well-being.

Correct Answer: B

Rationale: At 4 years old, children are typically able to draw a circle, which is a developmental milestone for their age. Drawing a stick figure with specific body parts might be beyond their developmental level, identifying right from left hand can be challenging, and tying shoelaces requires more advanced motor skills.