Correct Answer: B

Rationale: The correct answer is B: 'In the treatment room.' Performing painful procedures in the treatment room helps the child associate their own room with safety and comfort, not pain. Choice A is incorrect because performing the dressing change in the patient's room may create a negative association with their safe space. Choice C is incorrect as it is important to ensure proper wound care and pain management before discharge. Choice D is incorrect as the playroom may not be equipped for a sterile dressing change.

Correct Answer: A

Rationale: Letting an infant cry for prolonged periods can exacerbate colic and increase the infant's distress. It is better to respond promptly to soothe the baby. Other methods like swaddling, gentle massage, and keeping the infant upright can help relieve colic symptoms.

Correct Answer: C

Rationale: Fear of strangers typically begins around 6 months as infants start recognizing familiar and unfamiliar faces, which is part of their social development.

Correct Answer: B

Rationale: At 2 months, infants are most stimulated by visual and auditory activities, such as a music box or soft mobiles. These activities help in sensory development and are appropriate for this age.

Correct Answer: A

Rationale: The correct answer is A. A child with chickenpox should not go to the playroom due to being contagious, as the virus can easily spread to other children. Children with fractures (choice B), new-onset diabetes mellitus (choice C), or postoperative appendectomy (choice D) do not pose a risk of spreading an infectious disease, so they can safely go to the playroom.