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A nurse is caring for a patient scheduled for a maternal serum alpha-fetoprotein test at 15 weeks of gestation.
Which explanations about this test should the nurse provide to the patient?

A.

This test is a screening for spinal defects in the fetus.

B.

This test assesses various markers of fetal well-being.

C.

This test identifies an Rh incompatibility between the mother and fetus.

D.

This test assesses fetal lung maturity.

Answer and Explanation

The Correct Answer is A

Choice A rationale

The maternal serum alpha-fetoprotein test is a part of what’s often called the “triple screen” that can assess whether a pregnant woman may be at increased risk of carrying a baby with certain disorders, such as neural tube defects (spinal defects) or Down syndrome.

Choice B rationale

While the test can provide information about the risk of certain birth defects, it does not assess various markers of fetal well-being.

Choice C rationale

The test does not identify an Rh incompatibility between the mother and fetus. That would be determined through separate blood tests.

Choice D rationale

The test does not assess fetal lung maturity. Other tests, such as amniocentesis, can provide this information.


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Related Questions

Correct Answer is B

Explanation

Choice A rationale

Instructing the client to avoid alcohol for 72 hr after treatment is a common instruction given when a client is prescribed certain medications, such as metronidazole, due to the potential for a disulfiram-like reaction. However, this choice does not directly address the client’s symptoms of vaginal itching and discharge.

Choice B rationale

The client’s symptoms are indicative of Bacterial Vaginosis (BV), a common vaginal infection in women of reproductive age. Metronidazole is a medication commonly used to treat this infection. A single dose of 2 g orally is a typical treatment regimen.

Choice C rationale

An oatmeal sitz bath can help soothe irritated skin and reduce inflammation, but it does not treat the underlying cause of the client’s symptoms.

Choice D rationale

Douching is generally not recommended as it can disrupt the normal balance of bacteria in the vagina and can lead to further complications.

Choice E rationale

Recommending the client’s partner receive treatment is important in cases of sexually transmitted infections to prevent reinfection. However, this choice does not directly address the client’s immediate need for treatment.

Correct Answer is A

Explanation

Based on your last menstrual period (LMP) of May 4, 2022, your estimated date of delivery (EDD) would be around February 11, 2023."

Rationale:

  • Calculating the Estimated Date of Delivery (EDD): The EDD can be calculated using Naegele's Rule, which is a standard method used to estimate the due date. The rule involves subtracting three months from the first day of the last menstrual period (LMP), adding seven days, and adjusting the year if necessary.

  • Application of Naegele’s Rule:

    • Start with the first day of the LMP: May 4, 2022.
    • Subtract three months: February 4, 2022.
    • Add seven days: February 11, 2022.
    • Since the year needs to be adjusted, the EDD is February 11, 2023.

Key Points:

  • Naegele’s Rule is commonly used but assumes a 28-day menstrual cycle and ovulation on the 14th day. Variations in cycle length can affect the accuracy.

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