Which finding meets the criteria of a reassuring fetal heart rate (FHR) pattern?
Variability averages between 6 and 10 beats/min.
Mild late deceleration patterns occur with some contractions.
FHR does not change as a result of fetal activity.
Average baseline rate ranges between 100 and 140 beats/min.
The Correct Answer is A
Choice A reason: Variability refers to the fluctuations in the FHR that are irregular in amplitude and frequency. It reflects the balance between the sympathetic and parasympathetic nervous systems of the fetus. A normal variability is between 6 and 10 beats/min, which indicates a healthy and well-oxygenated fetus.
Choice B reason: Late decelerations are decreases in the FHR that begin after the peak of a contraction and return to the baseline after the contraction ends. They are caused by uteroplacental insufficiency, which means that the placenta is not delivering enough oxygen and nutrients to the fetus. Mild late decelerations are not reassuring and may indicate fetal hypoxia or acidosis².
Choice C reason: FHR should change as a result of fetal activity, such as movement, sleep, or stimulation. A change in the FHR indicates a responsive and well-oxygenated fetus. A lack of change in the FHR may indicate fetal distress or compromise.
Choice D reason: The average baseline rate is the mean FHR rounded to increments of 5 beats/min during a 10-minute window, excluding periods of marked variability, accelerations, or decelerations. A normal baseline rate is between 110 and 160 beats/min. A baseline rate between 100 and 140 beats/min is not necessarily abnormal, but it may indicate fetal bradycardia (slow heart rate) or tachycardia (fast heart rate), depending on the gestational age and other factors.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C","D"]
Explanation
Choice A reason: Abstinence is the avoidance of sexual activity, which reduces the risk of exposure to STIs. It is not a sexual risk behavior.
Choice B reason: Multiple sex partners increases the likelihood of exposure to STIs, especially if the partners are not tested or treated. It is a sexual risk behavior.
Choice C reason: Unprotected anal intercourse exposes the mucous membranes of the rectum and anus to potential pathogens, which can cause STIs such as gonorrhea, chlamydia, syphilis, and HIV. It is a sexual risk behavior.
Choice D reason: Oral sex involves contact between the mouth and the genitals or anus, which can transmit STIs such as herpes, HPV, gonorrhea, and syphilis. It is a sexual risk behavior.
Choice E reason: Dry kissing is the contact between the lips without the exchange of saliva, which does not transmit STIs. It is not a sexual risk behavior.
Correct Answer is C
Explanation
Choice A reason: A sleepy, sedated affect is not a concerning sign, as it is a common side effect of magnesium sulfate. Magnesium sulfate is a central nervous system depressant that can cause drowsiness, lethargy, and reduced alertness.
Choice B reason: Absent ankle clonus is not a concerning sign, as it indicates a normal neuromuscular response. Ankle clonus is a rhythmic jerking of the foot when the ankle is dorsiflexed. It is a sign of hyperreflexia, which can occur in severe preeclampsia due to increased blood pressure and cerebral edema.
Choice C reason: A respiratory rate of 10 breaths/min is a concerning sign, as it indicates respiratory depression. This is a serious complication of magnesium sulfate toxicity, which can lead to respiratory arrest and death. The nurse should monitor the woman's respiratory rate closely and report any signs of respiratory distress.
Choice D reason: Deep tendon reflexes of 2+ are not a concerning sign, as they indicate a normal neuromuscular response. Deep tendon reflexes are graded from 0 to 4, with 2 being the average. Magnesium sulfate can cause hyporeflexia or areflexia, which are signs of magnesium sulfate toxicity.
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