A nurse is caring for a newborn whose mother is positive for the hepatitis B surface antigen.Which of the following should the infant receive?

Hepatitis B immune globulin at 1 week followed by hepatitis B vaccine monthly for 6 months.

Hepatitis B immune globulin and hepatitis B vaccine within 12 hr of birth.

Hepatitis B vaccine monthly until the newborn tests negative for the hepatitis B surface antigen.

Hepatitis B vaccine at 24 hr followed by hepatitis B immune globulin every 12 hr for 3 days.

Answer and Explanation

The Correct Answer is B

Choice A rationale

Hepatitis B immune globulin at 1 week followed by hepatitis B vaccine monthly for 6 months is incorrect. This schedule delays the immune response and leaves the infant unprotected during the critical early period when the risk of transmission is highest.

Choice B rationale

Hepatitis B immune globulin and hepatitis B vaccine within 12 hr of birth is the correct approach. This combination provides immediate passive immunity through the immune globulin and active immunity through the vaccine, significantly reducing the risk of hepatitis B transmission from mother to child.

Choice C rationale

Hepatitis B vaccine monthly until the newborn tests negative for the hepatitis B surface antigen is incorrect. Monthly administration alone is insufficient without the initial dose of immune globulin, especially since the infant may remain at risk until the negative test result.

Choice D rationale

Hepatitis B vaccine at 24 hr followed by hepatitis B immune globulin every 12 hr for 3 days is incorrect. The delay in the first vaccine dose reduces its efficacy, and the immune globulin schedule does not align with established guidelines for preventing hepatitis B transmission.

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Correct Answer is B

Explanation

Choice A rationale

At 16 weeks, the fundal height is typically below the umbilicus. This location is more indicative of a fetus at around 20 weeks.

Choice B rationale

At 20 weeks, the fundal height is usually at the level of the umbilicus, indicating this is the correct gestational age.

Choice C rationale

At 24 weeks, the fundal height is usually above the umbilicus, suggesting a more advanced gestation than the picture indicates.

Choice D rationale

At 28 weeks, the fundal height is significantly above the umbilicus, making this option incorrect for the given scenario.

Correct Answer is ["July 27"]

Explanation

Step 1 is to identify the first day of the last menstrual period (LMP), which is October 20.

Step 2 is to count back 3 months from October 20, resulting in July 20.

Step 3 is to add 1 year to July 20, resulting in July 20 of the following year.

Step 4 is to add 7 days to July 20, resulting in July 27.

Final calculated answer: July 27 of the following year.

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A nurse is caring for a newborn whose mother is positive for the hepatitis B surface antigen.Which of the following should the infant receive?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse who is assessing a G2 P1 client palpates the fundal height at the location noted on the picture below (near the umbilicus). The nurse concludes that the fetus is equal to which of the following gestational ages?

Correct Answer is B

Explanation

A pregnant client tells the nurse that her LMP was 3 months ago and began on October 20. Using Naegele's rule, calculate the client's estimated date of delivery. Answer format: "October 20"

Correct Answer is ["July 27"]

Explanation

A client reports that she and her husband are considering starting a family within the next year.The nurse should advise the client to increase her intake of folic acid:

A nurse is reviewing the electronic medical record of a pregnant client who reports regular use of alcohol. Which of the following findings should the nurse identify as an indication the client may be at risk for polysubstance use disorder? (Select All that Apply)

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