The nurse caring for the pregnant patient understands that which hormone is essential for maintaining pregnancy?

Estrogen

Oxytocin

Human chorionic gonadotropin (hCG)

Progesterone

Answer and Explanation

The Correct Answer is D

Choice A rationale
Estrogen is a hormone that plays a crucial role in pregnancy. It helps develop the placenta and triggers increased blood volume and flow throughout pregnancy. However, it is not the primary hormone responsible for maintaining pregnancy.
Choice B rationale
Oxytocin is a hormone that plays a key role in labor and breastfeeding. It causes contractions during labor and helps eject milk during breastfeeding. However, it is not the primary hormone responsible for maintaining pregnancy.
Choice C rationale
Human chorionic gonadotropin (hCG) is a hormone produced during pregnancy. It is made almost exclusively in the placenta and its main function is to maintain the corpus luteum in the ovary and stimulate it to produce progesterone. However, hCG itself is not the primary hormone responsible for maintaining pregnancy.
Choice D rationale
Progesterone is the primary hormone responsible for maintaining pregnancy. It prevents the uterine muscles from contracting prematurely, which could lead to a miscarriage or preterm birth.

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Correct Answer is A

Explanation

Choice A rationale
Methylergonovine is a medication that is primarily used to prevent or treat excessive bleeding after childbirth. It works by increasing the rate and strength of contractions and the stiffness of the uterus muscles, which helps to decrease bleeding. This medication is given in a hospital or clinic setting. Therefore, the nurse should inform the client that this medication is intended to prevent postpartum hemorrhage.
Choice B rationale
While preventing postpartum infection is important, methylergonovine is not specifically used for this purpose. Postpartum infection is typically prevented and treated with antibiotics and good hygiene practices.
Choice C rationale
Thromboembolic events, such as blood clots, can be a risk after childbirth. However, methylergonovine is not used to prevent these events. Anticoagulant medications are typically used to prevent thromboembolic events.
Choice D rationale
Methylergonovine is not used to prevent hypertension. In fact, it can cause increased blood pressure as a side effect. Therefore, it would not be used as a preventative measure for hypertension.

A. One artery and one vein. B. Two veins and one artery. C. Two arteries and two veins. D. Two arteries and one vein.

Correct Answer is D

Explanation

Choice A rationale
The umbilical cord typically contains two arteries and one vein, not one artery and one vein. The umbilical arteries carry deoxygenated blood from the fetus to the placenta, while the umbilical vein carries oxygenated blood from the placenta to the fetus.
Choice B rationale
The umbilical cord typically contains two arteries and one vein, not two veins and one artery. The umbilical arteries carry deoxygenated blood from the fetus to the placenta, while the umbilical vein carries oxygenated blood from the placenta to the fetus.
Choice C rationale
The umbilical cord typically contains two arteries and one vein, not two arteries and two veins. The umbilical arteries carry deoxygenated blood from the fetus to the placenta, while the umbilical vein carries oxygenated blood from the placenta to the fetus.
Choice D rationale
The umbilical cord typically contains two arteries and one vein. The umbilical arteries carry deoxygenated blood from the fetus to the placenta, while the umbilical vein carries oxygenated blood from the placenta to the fetus.

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The nurse caring for the pregnant patient understands that which hormone is essential for maintaining pregnancy?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer methylergonovine IM to a client who has just had a vaginal delivery. The nurse should inform the client that this medication is intended to prevent which of the following conditions?

Correct Answer is A

Explanation

A nurse in labor and delivery is caring for a client. Following the delivery of the placenta, the nurse examines the umbilical cord. Which of the following vessels should the nurse expect to observe in the umbilical cord?

Correct Answer is D

Explanation

A nurse is caring for a term macrosomic newborn whose mother has poorly controlled type 2 diabetes. The newborn has respiratory distress syndrome. The nurse should be aware that the most likely cause of the respiratory distress is which of the following?

A nurse is assessing a client who is pregnant for preeclampsia. Which of the following findings should indicate to the nurse that the client requires further evaluation for this disorder?

A nurse is caring for a client who is receiving opioid epidural analgesia during labor. Which of the following findings is the nurse’s priority?

A nurse is attending to a patient in labor who has received an epidural anesthesia block. The patient’s blood pressure reads 80/40 mm Hg and the fetal heart rate is 140/min. What should be the nurse’s immediate course of action?

A nurse is caring for a client who is 39 weeks pregnant and in active labor. The nurse detects the fetal heart tones above the client’s umbilicus at the midline. Which of the following positions should the nurse suspect the fetus is in?