Correct Answer: A

Rationale: Selecting a board game is the best activity for the healthcare professional to plan for these girls as it is age-appropriate and promotes social interaction. Board games can enhance cognitive skills, encourage teamwork, and provide an enjoyable and interactive experience for the girls.

Correct Answer: B

Rationale: Acknowledging the child's fear and providing information about what to expect can help alleviate anxiety.

Correct Answer: A

Rationale: The correct answer is A. Duchenne muscular dystrophy is an inherited X-linked recessive disorder that primarily affects male children in the family. Since it is X-linked, sons inherit the mutation from their mothers who are carriers of the abnormal gene. Therefore, the nurse should explain to the parents that any future sons they have would have a 50% chance of inheriting the mutation and having DMD, while daughters would have a 50% chance of being carriers like the mother.

Correct Answer: D

Rationale: Waving bye-bye to mommy helps the child understand that the separation is temporary.

Correct Answer: D

Rationale: Crying without tears is a sign of severe dehydration, which is a potentially life-threatening complication in infants with projectile vomiting. Dehydration can rapidly progress in infants, leading to serious consequences if not promptly addressed. The combination of projectile vomiting, listlessness, and absence of tears when crying should raise concerns about severe dehydration and the need for urgent intervention to prevent further complications.