A 31-year-old pregnant woman has been prescribed a tocolytic drug. The nurse understands that this drug is primarily indicated for which of the following?
- A. Antepartal hypertension
- B. Preterm labor
- C. Postpartum hemorrhage
- D. Protracted labor
Correct Answer: B
Rationale: Drugs used to prevent uterine contractions are called tocolytics. They are useful in the management of preterm labor. These drugs will decrease uterine activity and prolong the pregnancy to allow the fetus to develop more fully, thereby increasing the chance of neonatal survival. Oxytocic drugs are used antepartum (before birth of Dyson) to induce uterine contractions and initiate or augment labor. Tocolytics are not used for postpartum hemorrhage or protracted labor.
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A nurse suspects that a client receiving an oxytocic drug is developing water intoxication based on assessment of which of the following?
- A. Tachypnea
- B. Wheezing
- C. Confusion
- D. Hypoglycemia
- E. Hypotension
Correct Answer: A,B,C
Rationale: The nurse immediately reports any signs of water intoxication or fluid overload, which include drowsiness, confusion, headache, listlessness, wheezing, coughing, and tachypnea, to the physician.
After teaching a group of nursing students about drugs that affect the uterus, the instructor determines that the teaching was successful when the students identify which drug as being used for cervical ripening?
- A. Terbutaline
- B. Nifedipine
- C. Dinoprostone
- D. Misoprostol
Correct Answer: C
Rationale: Dinoprostone is a cervical ripening agent, Terbutaline and nifedipine are used for tocolysis. Misoprostol is used as a uterine stimulant.
After teaching a group of students about uterine drugs, the instructor determines that the teaching was successful when the students identify which of the following as oxytocic drugs?
- A. Oxytocin (Pitocin)
- B. Methylergonovine (Methergine)
- C. Estradiol (Estrace)
- D. Indomethacin (Indocin)
- E. Misoprostol (Cytotec)
Correct Answer: A,B,E
Rationale: Oxytocin (Pitocin), methylergonovine (Methergine), and misoprostol (Cytotec) are classified as oxytocic drugs. Indomethacin is a tocolytic. Estradiol is an estrogen.
A client is receiving methylergonovine (Methergine). After administering the drug, the nurse would be alert for which of the following?
- A. Chest pain
- B. Hypoglycemia
- C. Increase in blood pressure
- D. Diarrhea
- E. Water intoxication
Correct Answer: A,C,D
Rationale: Adverse reactions associated with methylergonovine include temporary chest pain, hypertension, diarrhea, nausea, vomiting, dizziness, and headache.
A nurse is administering magnesium to a client as part of therapy to halt preterm labor. The nurse is alert to the possibility of increased central nervous system depression if the client is also receiving which of the following?
- A. Fentanyl (Duragesic)
- B. Glyburide (DiaBeta)
- C. Lorazepam (Ativan)
- D. Meperidine (Demerol)
- E. Enalapril (Vasotec)
Correct Answer: A,C,D
Rationale: The administration of magnesium with the following drugs results in increased central nervous system depression: opioids (fentanyl and meperidine), sedatives (lorazepam), and analgesics.
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