Correct Answer: B

Rationale: The safest sleeping position for infants is on their back (supine position). This reduces the risk of sudden infant death syndrome (SIDS), as sleeping in other positions can increase the risk of airway obstruction.

Correct Answer: D

Rationale: Encouraging the client to use a pant-blow breathing pattern helps manage pain and anxiety during the transition phase, which is characterized by intense contractions and emotional responses.

Correct Answer: C

Rationale: Displacement of the uterus from the midline is often a sign of bladder distention. A full bladder can prevent the uterus from contracting properly, which could increase the risk of postpartum hemorrhage. The nurse should assist the client to void and then reassess the position and firmness of the fundus to ensure appropriate uterine contraction.

Correct Answer: D

Rationale: A platelet count of 140,000/mm³ is at the lower end of the normal range but can be concerning in pregnancy, especially if there are signs of thrombocytopenia or bleeding.

Correct Answer: D

Rationale: Repositioning the newborn every 2 to 3 hours during phototherapy is important to expose all areas of the skin to light and facilitate the breakdown of bilirubin.