Maternal Newborn Nursing Test Pharmacology in Maternal-Newborn Nursing

Question 1

A patient at 28 weeks gestation is in preterm labor. Betamethasone is ordered. What is the primary purpose of this medication?

Accepted Answer

To accelerate fetal lung maturity and surfactant production

Answer

To stop uterine contractions and prevent preterm birth

Answer

To treat Group B Streptococcus infection

Answer

To prevent postpartum hemorrhage after delivery

Question 2

A patient at 30 weeks gestation in preterm labor receives nifedipine as a tocolytic. Which side effect should the nurse monitor for?

Accepted Answer

Hypotension, flushing, and headache

Answer

Hypertension and bradycardia

Answer

Bronchoconstriction and dyspnea

Answer

Hyperglycemia and urinary retention

Question 3

A postpartum patient is receiving oxytocin (Pitocin) IV for uterine atony. Which adverse effect is specific to high-dose oxytocin administration?

Accepted Answer

Water intoxication and hyponatremia

Answer

Hypertension and tachycardia

Answer

Hyperkalemia and peaked T-waves

Answer

Respiratory alkalosis

Question 4

A Rh-negative mother delivers an Rh-positive baby. Rho(D) immune globulin (RhoGAM) is ordered. Within what time frame should it be administered?

Accepted Answer

Within 72 hours of delivery

Answer

Within 12 hours of delivery

Answer

Within 24 hours of delivery

Answer

Within 1 week of delivery

Question 5

A newborn requires resuscitation in the delivery room. Epinephrine is administered via the endotracheal tube. What is the correct dose range?

Accepted Answer

0.01–0.03 mg/kg of 1:10,000 concentration via IV/IO (0.05–0.1 mg/kg via ETT)

Answer

0.01–0.03 mg/kg of 1:1,000 concentration

Answer

0.1 mg/kg of 1:10,000 concentration

Answer

0.5 mg/kg of 1:100,000 concentration

Question 6

A breastfeeding mother is prescribed codeine for postpartum pain. Why is this medication of particular concern for her breastfed infant?

Accepted Answer

Ultra-rapid metabolizers convert codeine to morphine at higher rates, risking neonatal opioid toxicity

Answer

Codeine is not absorbed through breast milk

Answer

Codeine causes maternal hypotension affecting milk production

Answer

Codeine increases neonatal alertness and feeding difficulty