Chapter 6 Pharmacology and the Pregnant or Lactating Woman


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Chapter 6  Pharmacology and the Pregnant or Lactating Woman



Complete chapter Questions And Answers

Sample Questions



1. A pregnant woman is experiencing nausea and vomiting in her first trimester of pregnancy. Which herbal agent has traditionally been used as an antiemetic?

  1. A)  Ginger
  2. B)  Garlic
  3. C)  Ginkgo biloba
  4. D)  Green tea

Ans: A Feedback:

Ginger has been used to relieve nausea and vomiting during pregnancy. Garlic, Ginkgo biloba, and green tea are not recommended to relieve nausea and vomiting in pregnancy.

  1. A pregnant woman asks why she needs to take a folic acid supplement. What is the nurse’s best explanation for the administration of folic acid?
    1. A)  “Folic acid prevents the development of contractions.”
    2. B)  “Folic acid prevents neural tube birth defects.”
    3. C)  “Folic acid builds strong fetal bones.”
    4. D)  “Folic acid will decrease nausea and vomiting.”

    Ans: B
    Folic acid prevents neural tube birth defects. Folic acid does not prevent contractions. Folic acid will not build fetal bones. Folic acid will not prevent nausea and vomiting.

  2. A woman is being administered IV magnesium sulfate. What is a desired outcome related to the administration of magnesium sulfate?
    1. A)  Increased contractions
    2. B)  Respiratory rate above 18
    3. C)  Decreased blood pressure
    4. D)  Increased uterine tone

Ans: C Feedback:

The administration of magnesium sulfate can prevent seizure activity and reduce severe hypertension. Magnesium sulfate is administered for preterm labor to prevent contractions and reduce uterine tone, not to increase respiratory rate.

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4. A woman who began labor several hours ago is to be administered oxytocin. What is the goal of oxytocin therapy?

  1. A)  Prevent postpartum bleeding
  2. B)  Decrease fetal hyperactivity
  3. C)  Augment weak or irregular contractions
  4. D)  Diminish periods of relaxation

Ans: C Feedback:

Use of this manufactured hormone induces labor or augments weak, irregular uterine contractions during labor. It is not used in the labor phase to prevent bleeding. It is not administered to decrease fetal hyperactivity. The administration of oxytocin should allow for adequate periods of relaxation between contractions.

5. A woman in labor is being treated with magnesium sulfate intravenously and is beginning to show signs and symptoms of hypermagnesemia. The infusion has been discontinued, and the nurse should anticipate administration of what drug?

  1. A)  Metoprolol (Lopressor)
  2. B)  Calcium gluconate
  3. C)  Potassium chloride
  4. D)  Furosemide (Lasix)

Ans: B


Overdoses of magnesium sulfate may lead to hypotension, muscle paralysis, respiratory depression, and cardiac arrest. Calcium gluconate, the antidote for magnesium sulfate, should be readily available for use if hypermagnesemia occurs.

6. A patient is being administered magnesium sulfate for preterm labor. The patient’s serum magnesium level is elevated at 11 mg/dL. With what sign or symptom will the patient likely present?

  1. A)  Tachypnea
  2. B)  Muscle rigidity
  3. C)  Tachycardia
  4. D)  Depressed deep tendon reflexes

Ans: D
Hypermagnesemia will cause depressed deep tendon reflexes. The serum magnesium level of 11 mg/dL would result in depressed respirations. The serum magnesium level of 11 would result in decreased muscle strength. The serum level of 11 mg/dL would result in bradycardia, not tachycardia.

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