A nurse is caring for a client who is in active labor. The nurse notes early decelerations of the FHR on the fetal monitor tracing. The nurse should identify that which of the following conditions causes early decelerations in the FHR?
Fetal hypoxemia.
Cord compression.
Uteroplacental insufficiency.
Head compression.
The Correct Answer is D
Choice A rationale:
Fetal hypoxemia is associated with late decelerations in the fetal heart rate (FHR) tracing. It occurs when the fetus experiences a decreased supply of oxygen, typically due to placental insufficiency or maternal hypotension.
Choice B rationale:
Cord compression can lead to variable decelerations in the FHR tracing. It occurs when the umbilical cord is compressed, restricting blood flow to the fetus temporarily.
Choice C rationale:
Uteroplacental insufficiency causes late decelerations in the FHR tracing. It refers to an inadequate blood flow between the uterus and placenta, resulting in reduced oxygen supply to the fetus.
Choice D rationale:
Head compression is the correct answer for early decelerations in the FHR tracing. It happens during contractions when the fetal head is compressed by the maternal pelvis, leading to a temporary vagal response that slows the heart rate.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale:
The clinical finding of 0 station does not provide information about the fetal head's position in the left occiput posterior position. Station refers to the level of the presenting part in relation to the ischial spines, not the position.
Choice B rationale:
The clinical finding of 0 station does not indicate that the largest fetal diameter has passed through the pelvic outlet. The station only tells us the level of the presenting part and does not provide information about the diameter passing through the pelvic outlet.
Choice C rationale:
The clinical finding of 0 station does not directly involve the palpability of the posterior fontanel. Station is determined based on the level of the presenting part in the birth canal.
Choice D rationale:
This is the correct interpretation of the clinical finding. 0 station means that the presenting part (usually the baby's head) is at the level of the ischial spines, which serves as a reference point during labor. As labor progresses and the baby moves further down the birth canal, the station becomes more negative (e.g., -1, -2) until delivery occurs.
Correct Answer is A
Explanation
Choice A rationale:
Premature ovarian failure affects the ovaries and leads to early menopause, resulting in the loss of the woman's reproductive ability. This condition can cause infertility due to the depletion or dysfunction of eggs in the ovaries, hindering conception.
Choice B rationale:
Renal calculi (kidney stones) do not directly impact fertility. It is a condition unrelated to the reproductive system.
Choice C rationale:
Dysmenorrhea refers to painful menstruation and, while it can be uncomfortable, it does not necessarily affect fertility.
Choice D rationale:
Recurrent urinary tract infections may be a concern for overall health but do not necessarily directly impact fertility unless there are severe complications. They are unrelated to infertility assessment.
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