A nurse is caring for a client who is in labor and has an external fetal monitor. The nurse observes late decelerations on the monitor strip and interprets them as indicating which of the following?
Uteroplacental insufficiency.
Umbilical cord compression.
Maternal bradycardia.
Fetal head compression.
The Correct Answer is A
Choice A reason:
Uteroplacental insufficiency is a condition where the placenta cannot deliver enough oxygen and nutrients to the fetus. This can cause fetal hypoxia and distress, which can be detected by late decelerations on the fetal heart rate monitor. Late decelerations are defined as a decrease in the fetal heart rate that begins after the peak of the contraction and returns to baseline after the contraction ends. This indicates that the fetus is not tolerating the reduced blood flow during the contractions and needs immediate intervention. • Choice B reason:
Umbilical cord compression is a condition where the umbilical cord is squeezed or twisted, reducing the blood flow and oxygen to the fetus. This can cause variable decelerations on the fetal heart rate monitor. Variable decelerations are defined as a decrease in the fetal heart rate that varies in timing, shape, and duration, and may or may not be associated with contractions. This indicates that the fetus is experiencing intermittent or sustained cord compression and may need repositioning or other interventions. • Choice C reason:
Maternal bradycardia is a condition where the mother's heart rate is slower than normal, usually less than 60 beats per minute. This can cause reduced blood flow and oxygen to the placenta and the fetus, but it does not cause late decelerations on the fetal heart rate monitor. Maternal bradycardia can be caused by various factors, such as medications, hypothermia, hypothyroidism, or vagal stimulation. It may need treatment depending on the cause and severity. • Choice D reason:
Fetal head compression is a condition where the fetal head is pressed against the cervix or the pelvic floor during labor, stimulating the vagus nerve and slowing down the fetal heart rate. This can cause early decelerations on the fetal heart rate monitor. Early decelerations are defined as a decrease in the fetal heart rate that begins with the onset of the contraction and returns to baseline with the end of the contraction. This indicates that the fetus is descending in the birth canal and is usually a normal and benign finding.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason:
Occasional uterine cramping when the infant nurses is a normal phenomenon that occurs as the uterus contracts and returns to its pre-pregnancy size. This is not a sign of infection or complication and does not need to be reported.
Choice B reason:
Descent of the fundus one fingerbreadth each day is also a normal finding that indicates the uterus is involuting properly. The fundus is the top of the uterus that can be felt through the abdomen. It should be at the level of the umbilicus immediately after delivery and then descend about one fingerbreadth (or 1 cm) each day until it reaches the pelvic brim by 10 days postpartum.
Choice C reason:
Reappearance of red lochia after it changes to serous is an abnormal sign that may indicate uterine atony, subinvolution, or retained placental fragments. Lochia is the vaginal discharge that occurs after childbirth, consisting of blood, mucus, and tissue. It usually changes from red to pink to brown to yellow-white over a period of several weeks. If it becomes red again, it may mean that there is bleeding from the uterus or infection in the endometrium. This should be reported to a health care provider as soon as possible.
Choice D reason:
Oral temperature that is 37.2 C (99 F) in the morning is within the normal range and does not indicate fever or infection. A slight elevation in temperature may occur due to dehydration, breast engorgement, or hormonal changes. This does not need to be reported unless it exceeds 38 C (100.4 F) or persists for more than 24 hours.
Correct Answer is C
Explanation
The correct answer is: c. The lungs of a baby delivered by cesarean section may sound moist for 24 hours after birth.
Choice A reason:
If this baby was born vaginally, it could indicate a pneumothorax.
A pneumothorax occurs when air leaks into the space between the lung and chest wall, causing the lung to collapse. This condition can happen in newborns, especially those with underlying lung issues or those who have undergone mechanical ventilation However, moist lung sounds in a newborn are not typically indicative of a pneumothorax. Pneumothorax is more likely to present with symptoms such as rapid breathing, grunting, and cyanosis.
Choice B reason:
The neonate must have aspirated surfactant.
Surfactant aspiration is not a common cause of moist lung sounds. Surfactant is a substance that helps keep the lungs’ air sacs open and is crucial for proper lung function. Aspiration of surfactant is not a typical diagnosis and would not usually result in moist lung sounds. Instead, surfactant deficiency or dysfunction can lead to respiratory distress syndrome, which presents differently.
Choice C reason:
The lungs of a baby delivered by cesarean section may sound moist for 24 hours after birth.
Babies born via cesarean section often have moist lung sounds because they do not experience the compression of the chest that occurs during vaginal delivery, which helps expel fluid from the lungs. This retained fluid can cause moist lung sounds, which typically resolve within the first 24 hours after birth. This is a normal finding and does not usually indicate a serious problem.
Choice D reason:
The nurse should notify the pediatrician stat for this emergency situation.
While it is always important to monitor newborns closely, moist lung sounds alone in a baby born via cesarean section are not typically an emergency. This finding is usually due to retained fluid in the lungs, which is expected to clear within the first day of life. Immediate notification of the pediatrician is not necessary unless the baby shows other signs of respiratory distress or other concerning symptoms.
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