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A nurse in a prenatal clinic is caring for a client who asks what her estimated date of delivery will be if her last menstrual period began on November 15th.Which of the following is the appropriate response by the nurse?

A.

July 12.

B.

August 12.

C.

August 22.

D.

July 22.

Answer and Explanation

The Correct Answer is D

Choice A rationale

 

Calculating the estimated date of delivery (EDD) involves adding 280 days (40 weeks) to the first day of the last menstrual period (LMP). Starting from November 15th, adding 280 days results in an EDD around August 22nd, not July 12th.

 

Choice B rationale

 

Using the same calculation method, adding 280 days to November 15th results in an EDD around August 22nd, not August 12th.

 

Choice C rationale

 

This choice is close but not accurate. Adding 280 days to November 15th results in an EDD around August 22nd.

 

Choice D rationale

 

This is the correct calculation. Adding 280 days to November 15th results in an EDD around August 22nd.


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View Related questions

Correct Answer is C

Explanation

Choice A rationale

The umbilical cord does not typically contain one artery and one vein. This configuration would not provide the necessary blood flow to support fetal development. The umbilical cord must have two arteries to carry deoxygenated blood and waste products from the fetus to the placenta, and one vein to carry oxygenated blood and nutrients from the placenta to the fetus.

Choice B rationale

Two veins and one artery is also incorrect. The umbilical cord must have two arteries to ensure that deoxygenated blood and waste products are efficiently transported from the fetus to the placenta. Having only one artery would not suffice for the required blood flow.

Choice C rationale

Two arteries and one vein is the correct configuration of the umbilical cord. The two arteries carry deoxygenated blood and waste products from the fetus to the placenta, while the single vein carries oxygenated blood and nutrients from the placenta to the fetus. This arrangement is essential for maintaining proper fetal circulation during pregnancy.

Choice D rationale

Two arteries and two veins is incorrect. The umbilical cord only needs one vein to carry oxygenated blood and nutrients from the placenta to the fetus. Having two veins would be redundant and unnecessary for fetal development.

Correct Answer is D

Explanation

Choice A rationale

Having a child with blue eyes is not an indication for genetic testing. Eye color is a polygenic trait and does not typically warrant genetic testing.

Choice B rationale

Reactive airway disease in preterm children is not a direct indication for genetic testing. This condition is more related to the complications of prematurity rather than genetic factors.

Choice C rationale

Neonatal jaundice is common and usually resolves without long-term issues. It is not typically an indication for genetic testing unless there is a suspicion of an underlying genetic disorder.

Choice D rationale

Tay-Sachs Disease is a genetic disorder, and having a child with this condition is a strong indication for genetic testing. This would help determine the risk of recurrence in future pregnancies and provide valuable information for family planning. .

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