The recommended children's dosage of Keflex is 25 to 50 mg/kg/day in divided doses. The maximum daily safe dosage for a child weighing 42 lb is: Round to the nearest tenth.

(Number Only, do not enter mg, kg, or day with your answer)

The correct answer is choice C. The child needs opportunities to play with peers.

Choice A rationale:

While it's important for children with congenital heart disease to understand their limitations, it's not the primary concern in this scenario. Allowing the child to interact and play with peers is essential for their social, emotional, and psychological development.

Choice B rationale:

While parents play a crucial role in a child's care, completely isolating the child from peers is not ideal. Overprotectiveness can lead to social isolation and hinder the child's ability to develop important social skills.

Choice C rationale:

Children with congenital heart disease should be encouraged to engage in age-appropriate physical activities and play with peers. Of course, the level of activity should be discussed with the child's healthcare provider, but limiting the child's interactions could have negative consequences on their overall development and emotional well-being.

Choice D rationale:

While supervision is important for any child's safety, constant parental supervision to avoid overexertion might not be necessary or feasible. Educating the child about their limitations and providing opportunities for play while monitoring their comfort level is a more balanced approach.

Answer is: d. Apply direct pressure above the catheterization site.

Explanation: The first action should be to apply direct pressure above the catheterization site to help control the bleeding and minimize blood loss. This will also give the nurse time to prepare additional interventions or supplies if necessary.

Choice a. is wrong because placing the child in the Trendelenburg position is not an appropriate initial nursing action in this scenario. This position can increase intracranial pressure and is typically used for patients experiencing shock or hypotension.

Choice b. is wrong because applying a new bandage with more pressure might be a subsequent action, but the priority is to apply direct pressure to slow down the bleeding.

Choice c. is wrong because notifying the physician is important, but the nurse should first take immediate action to control the bleeding and minimize potential harm to the patient.