After having an ultrasound, the fetus' heart shows that "normal fetal circulation is occurring.”. The RN is teaching a pregnant client about normal fetal circulation.Which of the following statements is consistent with the finding?

Blood is returning to the right atrium from the pulmonary system.

Blood is returning to the placenta via the umbilical arteries.

Blood is being shunted to the right side from the left side of the heart.

A right to left shunt is seen between the umbilical arteries.

Answer and Explanation

The Correct Answer is B

Choice A rationale

Blood returning to the right atrium from the pulmonary system is consistent with adult circulation, not fetal circulation. In fetal circulation, blood bypasses the lungs via the ductus arteriosus and foramen ovale since the fetus receives oxygenated blood from the placenta, not the lungs.

Choice B rationale

Blood is returning to the placenta via the umbilical arteries. In fetal circulation, deoxygenated blood is carried from the fetus to the placenta through the umbilical arteries. This is consistent with normal fetal circulation as the placenta is responsible for gas exchange.

Choice C rationale

Blood being shunted to the right side from the left side of the heart is incorrect. In fetal circulation, there is a right-to-left shunt through the foramen ovale, allowing blood to bypass the non-functioning fetal lungs and go directly into systemic circulation.

Choice D rationale

A right-to-left shunt is not seen between the umbilical arteries. Instead, the shunts in fetal circulation are the ductus venosus, ductus arteriosus, and foramen ovale, which help reroute blood away from the fetal lungs and liver.

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Correct Answer is {"A":{"answers":"A"},"B":{"answers":"B"},"C":{"answers":"C"},"D":{"answers":"A"},"E":{"answers":"A"}}

Explanation

Weight loss of 2.8 kg (6.2 lb): Consistent - Significant weight loss is a classic symptom of hyperemesis gravidarum. The client has lost more than 5% of her pre-pregnancy weight, which is concerning and supports this diagnosis.

Hematocrit: 30%: Not Consistent - Hematocrit measures the proportion of red blood cells in the blood. In hyperemesis gravidarum, the hematocrit may be elevated due to dehydration, not decreased. Therefore, this value is not consistent with the typical presentation.

Vaginal spotting: Not Relevant - While vaginal spotting can be concerning in pregnancy, it is not a specific sign of hyperemesis gravidarum and does not directly relate to the diagnosis of severe nausea and vomiting.

Heart rate: 110/min: Consistent - Tachycardia (elevated heart rate) can occur due to dehydration and the body’s response to prolonged vomiting, making this finding consistent with hyperemesis gravidarum.

BUN: 28 mg/dL: Consistent - Blood urea nitrogen (BUN) is elevated in this client, suggesting dehydration. Dehydration is a common complication of hyperemesis gravidarum due to persistent vomiting and poor oral intake.

A. Analysis of her serum for tetanus antibodies. B. Administration of tetanus immune globulin now. C. Inducing labor to avoid tetanus in the fetus. D. Administration of tetanus immune globulin after delivery.

Correct Answer is B

Explanation

Choice A rationale

Analysis of serum for tetanus antibodies is not an immediate action in acute injury scenarios. The priority is to provide immediate passive immunity.

Choice B rationale

Administration of tetanus immune globulin provides immediate passive immunity. This is crucial to prevent tetanus infection since the client has not been immunized since infancy.

Choice C rationale

Inducing labor to avoid tetanus in the fetus is not a recommended action. The focus should be on providing immediate protection to the mother to prevent infection.

Choice D rationale

Administration of tetanus immune globulin after delivery delays necessary immediate protection. The risk of tetanus infection is immediate, so prompt administration is required.

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After having an ultrasound, the fetus' heart shows that "normal fetal circulation is occurring.”. The RN is teaching a pregnant client about normal fetal circulation.Which of the following statements is consistent with the finding?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Correct Answer is {"A":{"answers":"A"},"B":{"answers":"B"},"C":{"answers":"C"},"D":{"answers":"A"},"E":{"answers":"A"}}

Explanation

You, the RN, assess a client who is in the 32nd week of pregnancy.She fell and punctured her leg with a nail.She states she has not had a tetanus immunization since infancy.Which action will you include in her plan of care?

Correct Answer is B

Explanation

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