Chapter 40: Drugs Used in Obstetrics

Chapter 40: Drugs Used in Obstetrics

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

MULTIPLE CHOICE

1. Which drug will the health care provider prescribe to soften the cervix of a woman who is at 42 weeks of gestation?

ANS:  B

Dinoprostone is a natural chemical in the body that causes uterine and gastrointestinal smooth muscle stimulation. It plays a role in cervical softening and dilation unrelated to uterine muscle stimulation. It is used to start and continue cervical ripening at term. Methergine is used to treat postpartum bleeding. Betamethasone is used to enhance fetal lung development. Terbutaline is used to treat premature labor.

DIF:    Cognitive Level: Comprehension     REF:   p. 631             OBJ:   4

TOP:   Nursing Process Step: Implementation

MSC:  NCLEX Client Needs Category: Physiological Integrity

2. For which reason will betamethasone IM be administered to the mother in premature labor?

ANS:  C

Glucocorticoids may be administered IM to accelerate fetal lung maturation to minimize respiratory distress syndrome. Tocolytic drugs are given to stop uterine contractions. Prolactin production and release are triggered by pituitary hormone, estrogen, and progesterone.

DIF:    Cognitive Level: Application           REF:   p. 626             OBJ:   4 | 6

TOP:   Nursing Process Step: Implementation

MSC:  NCLEX Client Needs Category: Physiological Integrity

3. A 26-year-old patient with preeclampsia is receiving IV magnesium sulfate. The 1400 assessment includes blood pressure, 100/70 mm Hg; respiration, 10; fetal heart tone, 100/min; urine output, 20 mL/hr; and absent patellar reflex. Which is the priority nursing action?

ANS:  D

The patient is exhibiting signs of magnesium sulfate toxicity, including respiratory depression. The infusion should be stopped at once. The antidote, calcium gluconate, should be administered.

DIF:    Cognitive Level: Application           REF:   pp. 635-636    OBJ:   4 | 6

TOP:   Nursing Process Step: Evaluation

MSC:  NCLEX Client Needs Category: Physiological Integrity

4. Which drug is administered after delivery to reduce the risk of postpartum hemorrhage after the placenta has been delivered?

ANS:  A

Uterine stimulants, primarily oxytocin, given in low dose infusions after delivery of the fetus and placenta, help stimulate firm uterine contractions to reduce the risk of postpartum hemorrhage from an atonic uterus. Magnesium sulfate is given to treat eclampsia and preeclampsia. Vitamin K is given to prevent hemorrhage. Dopamine is given to treat hypotension.

DIF:    Cognitive Level: Comprehension     REF:   p. 633             OBJ:   5

TOP:   Nursing Process Step: Implementation

MSC:  NCLEX Client Needs Category: Health Promotion and Maintenance