Which newborn reflex elicits the following reaction: Head turns to one side - the way the head is facing, the arm/leg is stretched out while the other is bent?
Tonic neck reflex.
Moro reflex.
Startled reflex.
Babinski reflex.
The Correct Answer is A
Choice A reason:
The tonic neck reflex, also called the fencing posture, occurs when a baby's head is turned to one side. The arm and leg on that side stretch out, while the opposite arm and leg bend up at the elbow. This reflex lasts until the baby is about 5 to 7 months old. This reflex matches the description of the question.
Choice B reason:
The Moro reflex, also called the startle reflex, is the baby's reaction to being startled. The cause is often a loud sound, a sudden movement, or even their own cry. As an adult, you may jump or gasp when you are startled. A baby will throw back their head, extend their arms and legs, cry, then pull their arms and legs back in. This reflex does not match the description of the question.
Choice C reason:
The startled reflex is not a distinct reflex in newborns. It is another name for the Moro reflex, which is explained.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason:
The woman in early labor with contractions every 5 minutes lasting 40 seconds each does not require the immediate discontinuation of the oxytocin (Pitocin) infusion. Early labor is characterized by mild and infrequent contractions as the cervix begins to dilate and efface. Choice B reason:
The woman in active labor with contractions every 30 minutes lasting 60 seconds each also does not warrant immediate discontinuation of the oxytocin (Pitocin) infusion. Active labor typically involves regular and stronger contractions as the cervix continues to dilate and the baby progresses downward.
Choice C reason:
The woman in active labor with contractions every 2 to 3 minutes lasting 70 to 80 seconds each does not require immediate cessation of the oxytocin (Pitocin) infusion. These contractions are within the expected range for active labor and may be considered normal.
Choice D reason:
The woman in transition with contractions every 1.5 minutes lasting 95 seconds each should have the oxytocin (Pitocin) infusion discontinued immediately. Transition is the most intense phase of labor, characterized by rapid and strong contractions as the cervix completes dilation. Prolonged and frequent contractions during this phase can lead to uterine hyperstimulation, which can compromise fetal oxygenation and result in fetal distress. Discontinuing the oxytocin infusion is necessary to reduce the intensity and frequency of contractions, ensuring better fetal well-being during this critical phase of labor.
Correct Answer is D
Explanation
Choice A reason:
10% to 15% of their birth weight. This is incorrect because this range is too high for a normal newborn weight loss. Losing more than 10% of their birth weight may indicate dehydration, inadequate feeding, or other problems. • Choice B reason:
20% of their birth weight. This is incorrect because this percentage is way too high for a normal newborn weight loss. Losing 20% of their birth weight would be a serious sign of illness or malnutrition. • Choice C reason:
15% to 18% of their birth weight. This is incorrect because this range is also too high for a normal newborn weight loss. Losing 15% to 18% of their birth weight would be a cause for concern and require further evaluation. • Choice D reason:
5% to 10% of their birth weight. This is correct because this range is within the normal limits for a newborn weight loss. Newborns lose some weight as a result of insufficient caloric intake, fluid loss, and metabolic adjustments in the first week after birth. They usually regain their birth weight by the second week.
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