Correct Answer: B

Rationale: An excessive high-pitched cry is a classic sign of neonatal abstinence syndrome, indicating withdrawal from substances such as methadone. Other signs may include irritability and tremors.

Correct Answer: B

Rationale: Naegele's rule is a standard way of calculating an estimated delivery date (EDD). It involves subtracting three months from the first day of the last menstrual period (LMP), adding seven days, and then adding one year. In this case, subtracting three months from May 4th, 2013, gives February 4th. Adding seven days results in a due date of February 11th, 2014.

Correct Answer: A

Rationale: An irregularly shaped, nontender lump is a concerning finding because it may indicate breast cancer. The nurse should report this finding to the provider for further investigation.

Correct Answer: B

Rationale: Measuring abdominal girth is important in monitoring for signs of abdominal distension, which is a key indicator of worsening necrotizing enterocolitis (NEC). Other interventions include withholding oral feedings and providing IV fluids or nutrition.

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.