Correct Answer: B

Rationale: The correct answer is Perceptual Learning. In this stage, the toddler learns from sensory input and refines their movements over time, even though errors may still occur. This process involves improving coordination and fine-tuning motor skills based on feedback from repeated attempts.

Correct Answer: C

Rationale: The nurse should instruct the parent to rotate injection sites to prevent tissue damage and improve insulin absorption.

Correct Answer: D

Rationale: After a tonsillectomy, applying an ice collar to the child's neck helps decrease pain and swelling. Heat should be avoided as it can increase bleeding. Encouraging coughing may increase the risk of bleeding. Administering analgesics on a regular schedule is essential for pain management, but the immediate postoperative period may require additional interventions like ice collar application.

Correct Answer: A

Rationale: Cyclosporine is used to suppress the immune system and prevent rejection of the transplanted kidney. It helps to reduce the risk of the body attacking and rejecting the new organ. This medication is crucial in ensuring the success of the kidney transplant by keeping the immune system in check.

Correct Answer: B

Rationale: In a child with a head injury, the development of diabetes insipidus can occur due to pituitary hypofunction, leading to a deficiency of antidiuretic hormone. An elevated sodium level (hypernatremia) is a key finding in diabetes insipidus due to the excessive loss of free water in the urine, resulting in increased sodium concentration in the blood.