At her first prenatal visit, a woman and the nurse are discussing fetal development.The client asks, "When will we be able to hear the baby's heartbeat?" The nurse should reply, The fetal heartbeat can be heard with a Doppler at:

The fourth week of gestation.

The sixth week of gestation.

The seventh week of gestation.

The twelfth week of gestation.

Answer and Explanation

The Correct Answer is D

Choice A rationale

The fetal heartbeat can be heard with a Doppler at the fourth week of gestation is incorrect. At this early stage, the embryonic heart has only just begun to form, and its activity cannot be detected by Doppler.

Choice B rationale

The fetal heartbeat can be heard with a Doppler at the sixth week of gestation is incorrect. Although the heart begins to beat around this time, it is usually too faint to be detected by Doppler.

Choice C rationale

The fetal heartbeat can be heard with a Doppler at the seventh week of gestation is incorrect. It remains challenging to detect the fetal heartbeat this early with standard Doppler equipment.

Choice D rationale

The fetal heartbeat can be heard with a Doppler at the twelfth week of gestation is correct. By the end of the first trimester, the fetal heart is sufficiently developed and strong enough to be detected using Doppler ultrasound, allowing healthcare providers to monitor fetal well-being.

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Correct Answer is C

Explanation

Choice A rationale

Fetal nutrition and excretion are carried out by the placenta. This statement is correct. The placenta provides essential nutrients to the fetus and removes waste products from fetal blood.

Choice B rationale

Fetal respirations are carried out by the placenta. This statement is correct. The placenta facilitates gas exchange, providing oxygen to the fetus and removing carbon dioxide.

Choice C rationale

The placenta filters harmful substances from maternal blood. This statement is incorrect. While the placenta provides some barrier function, it does not filter all harmful substances from maternal blood, and certain drugs and toxins can cross the placental barrier and affect the fetus.

Choice D rationale

The placenta receives maternal blood from the uterine arteries. This statement is correct. Maternal blood flows to the placenta via the uterine arteries, supplying oxygen and nutrients to the fetal side of the placenta.

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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At her first prenatal visit, a woman and the nurse are discussing fetal development.The client asks, "When will we be able to hear the baby's heartbeat?" The nurse should reply, The fetal heartbeat can be heard with a Doppler at:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A pregnant client asks about the functions of the placenta.Which of the following items should the nurse NOT include in the teaching plan?

Correct Answer is C

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

Each of the following pregnant women is scheduled for a 14-week antepartal visit.In planning care, the nurse would give priority teaching on Quad screening to which client?

The student nurse is preparing a presentation on the nutritional needs of pregnant teens.Which items should be included in her teaching plan? (Select all that Apply)

A nurse caring for a client in the prenatal clinic states that the patient is clearly pregnant because both the mother and examiner are able to feel the baby move.Which of the following signs of pregnancy is occurring?

A nurse is caring for an antepartum client whose laboratory findings indicate a rubella titer of 1:15. Which of the following is the correct interpretation of this data?

The nurse is teaching a pregnant client how to perform daily fetal movement counts.Which instruction must be included in the teaching?

The client asks the nurse how a woman can recognize when she is ovulating.Which should be the nurse's responses? (Select all that Apply)

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 E.g. "October 20"

The nurse knows that a normal physiologic alteration of the circulatory system associated with thromboembolic events in pregnancy is: