During the fetal circulation, which of the following connects the main pulmonary artery to the aorta?

Foramen ovale

Ductus venosus

Umbilical vein

Ductus arteriosus

Answer and Explanation

The Correct Answer is D

A. Foramen ovale:
Connects the right and left atria to bypass the fetal lungs, not the pulmonary artery and aorta.

B. Ductus venosus:
Shunts blood from the umbilical vein directly to the inferior vena cava, bypassing the fetal liver.

C. Umbilical vein:
Carries oxygenated blood from the placenta to the fetus, does not connect the pulmonary artery to the aorta.

D. Ductus arteriosus:
This structure connects the pulmonary artery to the aorta, allowing blood to bypass the non-functioning fetal lungs.

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Free Nursing Study Resources

Correct Answer is A

Explanation

A. "A distended bladder reduces the pelvic space needed for birth.”
A full bladder can impede fetal descent and interfere with uterine contractions.

B. "A full bladder decreases the risk for bladder infections.":
Frequent emptying helps prevent infection, but that’s not the primary reason during labor.

C. "A full bladder will be traumatized by frequent vaginal examinations":
Trauma can happen, but space for fetal descent is more critical.

D. "A full bladder increases the risk for trauma to the fetus.”
No direct trauma to fetus from bladder distension; this is inaccurate.

A. Reassess the FHR in 5 minutes B. Take the client's temperature C. Inform client that the rate is normal D. Immediately report FHR to the physician

Correct Answer is C

Explanation

A. Reassess the FHR in 5 minutes:
Not necessary unless abnormal; 152 bpm is normal.

B. Take the client’s temperature:
No indication of maternal fever; unnecessary.

C. Inform client that the rate is normal:
Normal FHR is 110–160 bpm; slight variation like 152 is acceptable.

D. Immediately report FHR to physician:
Not needed for a normal FHR.

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During the fetal circulation, which of the following connects the main pulmonary artery to the aorta?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse is caring for a client who is in the first stage of labor and is encouraging the client to void every 2 hours. Which of the following statements by the nurse indicates the rational for this request?

Correct Answer is A

Explanation

The nurse auscultates the FHR and determine a rate of 152. Which action by the nurse is appropriate?

Correct Answer is C

Explanation

Leopolds maneuvers are used to assess the fetal presentation, dilation, and station.

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