The nurse providing care for the laboring woman recognizes that late fetal heart rate (FHR) decelerations are caused by:
Select one:
Knot in the umbilical cord.
Altered fetal cerebral blood flow.
Uteroplacental insufficiency.
Umbilical cord compression.
The Correct Answer is C
a. This is a common cause of variable decelerations, not late decelerations.
b. This is a common cause of variable decelerations, not late decelerations.
c. Late decelerations are caused by decreased blood flow to the placenta during contractions, resulting in a reduced oxygen supply to the fetus.
d. This is a common cause of variable decelerations, not late decelerations.

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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
a. This is not the purpose of maternal serum alpha-fetoprotein testing.
b. Maternal serum alpha-fetoprotein testing is used to screen for neural tube defects and other spinal defects in the fetus.
c. This is not the purpose of maternal serum alpha-fetoprotein testing.
d. This is not the purpose of maternal serum alpha-fetoprotein testing.
Correct Answer is D
Explanation
a. Human papillomavirus (HPV) is a viral STI, not bacterial.
b. Herpes simplex is a viral STI, not bacterial.
c. Condyloma lata is a manifestation of secondary syphilis, which is caused by Treponema pallidum, a bacterium, but it is not the most common bacterial STI.
d. Chlamydia is the most common bacterial STI.
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