The nurse is reviewing fetal circulation with a pregnant patient and explains that blood circulates through the placenta to the fetus. What is the function of ductus arteriosus?
Select one:
Lungs bypass
Brain bypass
Liver bypass
Cardiac bypass
The Correct Answer is A
a. The function of the ductus arteriosus is to bypass the lungs in fetal circulation, allowing oxygenated blood from the placenta to be shunted directly to systemic circulation.
b. Ductus arteriosus does not bypass the brain; it specifically bypasses the lungs.
c. Ductus venosus shunts blood away from the liver, not the ductus arteriosus.
d. Ductus arteriosus shunts blood away from the lungs, not the heart itself.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
a. Dinoprostone gel is a prostaglandin E2 (PGE2) analog that is used to ripen the cervix in preparation for induction of labor.
b. Dinoprostone gel is not used to treat preeclampsia.
c. Dinoprostone gel causes uterine contractions.
d. Dinoprostone gel is not used to treat genital herpes simplex virus.
Correct Answer is D
Explanation
a. Dysmenorrhea refers to painful menstruation, which may be accompanied by abdominal cramping and pain.
b. Dyspareunia refers to painful sexual intercourse, which is not described in the scenario.
c. Amenorrhea refers to the absence of menstrual periods, which is not described in the scenario.
d. The symptoms described in the scenario are consistent with premenstrual syndrome, which includes physical and emotional symptoms such as abdominal cramping and pain, nausea, vomiting, headache, and irritability that occur before and during menstruation.
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