A nurse is observing the electronic fetal heart rate monitor tracing for a client who is at 40 weeks of gestation and is in labor. The nurse should suspect a problem with the umbilical cord when she observes which of the following patterns?
Accelerations.
Late decelerations.
Variable decelerations.
Early decelerations.
The Correct Answer is C
Choice A. Accelerations are normal responses that indicate the fetus is healthy and active. Accelerations occur when the fetal heart rate increases in response to stimuli. •
Choice B. Late decelerations are nonreassuring patterns that indicate fetal hypoxia due to placental insufficiency. Late decelerations occur when the placental blood flow decreases due to uterine contractions during labor, causing the fetal heart rate to decrease. •
Choice C. Variable decelerations are nonreassuring patterns that indicate fetal hypoxia due to umbilical cord compression. Variable decelerations occur when the umbilical cord is trapped by the cervical opening or the fetal body part, twisted, or knotted, causing the fetal oxygen supply to be impaired and the fetal heart rate to drop sharply. •
Choice D. Early decelerations are reassuring patterns that indicate a neural reflex due to fetal head compression. Early decelerations occur when the fetal head is compressed by uterine contractions during labor, causing the parasympathetic nervous system to be stimulated and the heart rate to decrease. The correct answer is C. Variable decelerations are the most common pattern that indicates a problem with the umbilical cord and requires urgent intervention.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason:
Inspecting if the urethral opening appears circular. This is a correct action for the nurse to do, as it helps to identify any abnormalities in the urethral opening, such as hypospadias or epispadias, which are congenital defects where the opening is located on the underside or the top of the penis, respectively. • Choice B reason:
Retracting the foreskin over the glans to assess for secretions. This is an incorrect action for the nurse to avoid, as it can cause pain, bleeding, and infection in the newborn. The foreskin is usually adhered to the glans in newborns and should not be forcibly retracted. It will gradually loosen over time and can be retracted by the child himself when he is older. •
Choice C reason:
Palpating if testes are descended into the scrotal sac. This is a correct action for the nurse to do, as it helps to detect any undescended testes, which are more common in preterm infants and can increase the risk of infertility and testicular cancer later in life. • Choice D reason:
Inspecting the genital area for irritated skin. This is a correct action for the nurse to do, as it helps to identify any signs of diaper rash, fungal infection, or allergic reaction in the newborn's skin.
Correct Answer is B
Explanation
A. Nalbuphine (Nubain):Nalbuphine is an opioid agonist-antagonist, which can be used to treat moderate to severe pain. However, it is not specifically used to reverse the effects of fentanyl. Administering Nalbuphine could potentially complicate the situation by introducing another opioid into the system.
B. Naloxone (Narcan):Naloxone is an opioid antagonist that rapidly reverses the effects of opioids like fentanyl. It is the standard treatment for opioid overdose and can quickly restore normal respiration in a person whose breathing has slowed or stopped due to opioid use. This makes it the most appropriate drug to have readily available in this scenario.
C. Butorphanol (Stadol):Butorphanol is another opioid agonist-antagonist used for pain relief. Similar to Nalbuphine, it is not used to reverse opioid effects and could complicate the patient's condition by adding another opioid to the system.
D. Promethazine (Phenergan):Promethazine is an antihistamine used to treat nausea, vomiting, and allergies. It does not have any properties that would counteract the effects of fentanyl. Therefore, it would not be useful in reversing opioid-induced respiratory depression.
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