PN ATI Capstone Maternal Newborn

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: C

Rationale: Postpartum depression can be triggered by various factors, but one of the strongest predictors is a rapid drop in estrogen and progesterone levels following childbirth. These hormonal changes can affect mood regulation, making some women more vulnerable to depression during the postpartum period.

Correct Answer: A

Rationale: Cold stress in newborns can lead to increased oxygen consumption and energy expenditure as the body tries to maintain its temperature. This can result in hypoglycemia and metabolic acidosis if not addressed. The use of a radiant warmer helps maintain the infant's body temperature, reducing the risk of cold stress and its complications.

Correct Answer: D

Rationale: Leaving a baby's diaper off to prevent diaper rash is not recommended because it increases the risk of infection. Proper diaper hygiene and frequent diaper changes are more effective in preventing diaper rash.

Correct Answer: A

Rationale: A cephalohematoma is a collection of blood between the periosteum and the skull that does not cross the suture line. It results from trauma during birth and typically resolves on its own.