A nurse is assisting to collect data for a gestational age assessment on a newborn. Which of the following should the nurse check during a neuromuscular assessment? (Select all that apply.)

Heel to ear

Popliteal angle

Moro reflex

Scarf sign

Arm recoil

Answer and Explanation

Correct Answer : A,B,D,E

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.

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Correct Answer is C

Explanation

Choice A reason:

Infection is not prevented by vitamin K administration. Vitamin K is needed for blood clotting, not for fighting infections. Newborns are given vitamin K injections to prevent a serious disease called hemorrhagic disease of the newborn (HDN), which is caused by bleeding in the brain or other organs.

Choice B reason:

Hyperbilirubinemia is not prevented by vitamin K administration. Hyperbilirubinemia is a condition in which there is too much bilirubin in the blood, causing jaundice. Bilirubin is a yellow pigment that is produced when red blood cells break down. Vitamin K does not affect the production or breakdown of bilirubin.

Choice C reason:

Bleeding is prevented by vitamin K administration. Vitamin K is needed for the synthesis of several clotting factors that help stop bleeding when there is an injury. Newborns have very low levels of vitamin K in their bodies because they do not get enough from the placenta or breast milk, and they do not have enough bacteria in their intestines to produce it. This puts them at risk for VKDB, which can cause life-threatening bleeding in the brain or other organs.

Choice D reason:

Potassium deficiency is not prevented by vitamin K administration. Potassium is an electrolyte that is important for nerve and muscle function, as well as fluid balance. Vitamin K does not affect the absorption or excretion of potassium.

A. Small for gestational age. B. Maternal history of asthma. C. Ventricular septal defect. D. Cesarean birth.

Correct Answer is A

Explanation

Choice A reason:

Small for gestational age (SGA) newborns are at risk for respiratory distress syndrome (RDS) and respiratory acidosis because they have immature lungs that produce less surfactant, which is needed to keep the alveoli open and prevent atelectasis. SGA newborns also have less glycogen stores, which can lead to hypoglycemia and impaired oxygen delivery to the tissues.

Choice B reason:

Maternal history of asthma is not a risk factor for RDS or respiratory acidosis in the newborn. Asthma is a chronic inflammatory disorder of the airways that affects the mother, not the fetus. Maternal asthma can cause complications such as preterm labor, preeclampsia, or intrauterine growth restriction, but it does not directly affect the fetal lung development or function.

Choice C reason:

Ventricular septal defect (VSD) is a congenital heart defect that causes a hole in the wall between the ventricles of the heart. This can result in increased pulmonary blood flow and pressure, which can lead to pulmonary edema and heart failure in the newborn. However, VSD does not cause RDS or respiratory acidosis, which are related to lung maturity and surfactant production.

Choice D reason:

Cesarean birth is not a risk factor for RDS or respiratory acidosis in the newborn. Cesarean birth can increase the risk of transient tachypnea of the newborn (TTN), which is caused by delayed absorption of fetal lung fluid. TTN usually resolves within 24 to 48 hours and does not cause a significant acid-base imbalance in the newborn.

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A nurse is assisting to collect data for a gestational age assessment on a newborn. Which of the following should the nurse check during a neuromuscular assessment? (Select all that apply.)

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