Correct Answer: C

Rationale: In cases of respiratory distress, the nurse should first suction the newborn's airway to clear any obstructions. This is a non-invasive procedure that can quickly improve breathing.

Correct Answer: D

Rationale: The client should check for the string each month after menstruation to ensure the IUD is in place. Regular checks can help identify any displacement.

Correct Answer: C

Rationale: Petroleum jelly is recommended to prevent the diaper from sticking to the circumcised area, reducing irritation and promoting healing. It should be applied during every diaper change until the site heals.

Correct Answer: A

Rationale: Cesarean birth doubles the risk for deep-vein thrombosis (DVT) due to immobility and vascular changes associated with surgery. Other risk factors include smoking, obesity, and a history of thromboembolism.

Correct Answer: A

Rationale: Encouraging the mother to breastfeed is appropriate, as breastfeeding can quickly raise blood glucose levels in newborns. A level of 45 mg/dL is often acceptable but should be monitored closely.