What is a sign that a newborn may be at risk for meconium aspiration syndrome?
Asymmetrical breathing
Born before 38 weeks gestation
Yellow-green staining on the umbilical cord
Acrocyanosis
The Correct Answer is C
Choice A reason:
Asymmetrical breathing is not a sign of meconium aspiration syndrome (MAS). It is a sign of diaphragmatic hernia, a condition where the abdominal organs push into the chest cavity and interfere with lung development.
Choice B reason:
Born before 38 weeks gestation is not a sign of MAS. It is a risk factor for respiratory distress syndrome (RDS), a condition where the lungs are not fully developed and lack surfactant, a substance that helps keep the air sacs open.
Choice C reason:
Yellow-green staining on the umbilical cord is a sign of MAS. It indicates that the baby has passed meconium into the amniotic fluid before or during birth and may have inhaled it into the lungs. Meconium is a sticky substance that becomes the baby's first poop. It can block or irritate the airways, damage lung tissue and prevent oxygen exchange.
Choice D reason:
Acrocyanosis is not a sign of MAS. It is a normal finding in newborns where the hands and feet appear bluish due to immature circulation. It usually resolves within 24 to 48 hours after birth.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","D","E"]
Explanation
Choice A reason:
Heel to ear is a test that measures the flexibility of the newborn's hip and knee joints. The nurse should gently flex the newborn's hip and knee and bring the foot toward the ear on the same side. The closer the foot is to the ear, the higher the score. This test is part of the neuromuscular assessment for gestational age.
Choice B reason:
Popliteal angle is a test that measures the angle of flexion at the knee joint. The nurse should flex the newborn's hip and knee at 90 degrees and then extend the lower leg until resistance is felt. The smaller the angle, the higher the score. This test is also part of the neuromuscular assessment for gestational age.
Choice C reason:
Moro reflex is a test that evaluates the newborn's startle response. The nurse should hold the newborn in a semi-sitting position and then allow the head to fall back slightly. The newborn should extend and abduct the arms and legs, then flex and adduct them. This test is not part of the neuromuscular assessment for gestational age, but rather a reflex assessment for neurological function. •
Choice D reason:
Scarf sign is a test that measures the flexibility of the newborn's shoulder and elbow joints. The nurse should draw one of the newborn's arms across the chest toward the opposite shoulder. The farther the elbow can be moved across the body, the lower the score. This test is part of the neuromuscular assessment for gestational age.
Choice E reason:
Arm recoil is a test that measures the degree of flexion at the elbow joint. The nurse should extend both of the newborn's arms for 5 seconds and then release them. The arms should return to a flexed position quickly and fully. The faster and more complete the recoil, the higher the score. This test is part of the neuromuscular assessment for gestational age.
Correct Answer is ["B","F","G"]
Explanation
Choice A:
Temperature. The newborn's temperature is within the normal range of 36.5°C to 37.5°C (97.7°F to 99.5°F) for axillary measurement. Therefore, this finding does not need to be reported to the provider.
Choice B:
Respiratory findings. The newborn's respiratory rate is above the normal range of 30 to 60 breaths per minute. The newborn also has a low oxygen saturation of 96%, which indicates possible respiratory distress. Therefore, this finding should be reported to the provider.
Choice C:
Serum glucose. The question does not provide any information about the newborn's serum glucose level, so this choice is irrelevant and does not need to be reported to the provider.
Choice D:
Hematocrit. The question does not provide any information about the newborn's hematocrit level, so this choice is irrelevant and does not need to be reported to the provider.
Choice E:
White blood cell count. The question does not provide any information about the newborn's white blood cell count, so this choice is irrelevant and does not need to be reported to the provider.
Choice F:
Hemoglobin. The question does not provide any information about the newborn's hemoglobin level, but it is known that newborns have higher hemoglobin levels than adults due to fetal hemoglobin. A high hemoglobin level can increase the risk of polycythemia, which can cause hyperviscosity, hypoxia, and hyperbilirubinemia. Therefore, this finding should be reported to the provider.
Choice G:
Heart rate. The newborn's heart rate is above the normal range of 110 to 160 beats per minute. A high heart rate can indicate tachycardia, which can be caused by various factors such as fever, dehydration, anemia, infection, or congenital heart defects. Therefore, this finding should be reported to the provider.
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