Fetal circulation includes 3 shunts. Match each shunt to its physiologic action. Ductus venosus

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Question 1 of 5

Fetal circulation includes 3 shunts. Match each shunt to its physiologic action. Ductus venosus

A. Connects the pulmonary artery and the aorta, bypassing the lungs. B. Connects the right and left atria. C. Connects the right and left ventricles. D. Allows the umbilical vein to bypass the liver to flow into the inferior vena cava.

Correct Answer: D

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 2 of 5

You are observing for fetal heart rate (FHR) accelerations in a nonstress test (NST) for a woman who is 26 weeks pregnant. The average FHR baseline is 145 to 155 beats per minute (bpm). Within 20 minutes, the FHR accelerated to 165 bpm six times, for 10 to 15 seconds. How should you interpret this information?

A. Results are nonreassuring, and another 20 minutes of monitoring is needed. B. Results are nonreassuring because of too few accelerations within the time period. C. Results are reassuring because the FHR accelerated by 10 bpm for 10 seconds. D. Results are reassuring because the fetus was inactive during the monitoring.

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 3 of 5

The nurse is assessing the knowledge of new parents with a child born with maple syrup urine disease (MSUD). This is an autosomal recessive inherited disorder, which means that:

A. Both genes of a pair must be abnormal for the disorder to be expressed. B. Only one copy of the abnormal gene is required for the disorder to be expressed. C. The disorder occurs in males and heterozygous females. D. The disorder is carried on the X chromosome.

Correct Answer: A

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 4 of 5

In practical terms regarding genetic health care, nurses should be aware that:

A. Genetic disorders affect people of all socioeconomic backgrounds, races, and ethnic groups equally. B. Genetic health care is more concerned with populations than individuals. C. The most important of all nursing functions is providing emotional support to the family during counseling. D. Taking genetic histories is the province of large universities and medical centers.

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 5 of 5

With regard to chromosome abnormalities, nurses should be aware that:

A. They occur in approximately 10% of newborns. B. Abnormalities of number are the leading cause of pregnancy loss. C. Down syndrome is a result of an abnormal chromosome structure. D. Unbalanced translocation results in a mild abnormality that the child will outgrow.

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

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