A nurse is collecting data from a newborn.
The nurse should recognize that which of the following images demonstrates a positive Babinski reflex?
Image of a newborn with toes fanning out when the sole of the foot is stroked.
Image of a newborn with toes curling in when the sole of the foot is stroked.
Image of a newborn with no response when the sole of the foot is stroked.
Image of a newborn with the big toe bending down when the sole of the foot is stroked.
The Correct Answer is A
Choice A rationale
A positive Babinski reflex is characterized by the fanning out of the toes and the upward movement of the big toe when the sole of the foot is stroked. This reflex is normal in infants up to 2 years old and indicates an immature central nervous system. The presence of this reflex in older children or adults can indicate neurological issues.
Choice B rationale
Curling in of the toes when the sole of the foot is stroked is indicative of the plantar grasp reflex, not the Babinski reflex. The plantar grasp reflex is a different neurological response and does not indicate the same neurological development as the Babinski reflex.
Choice C rationale
No response when the sole of the foot is stroked could indicate a lack of neurological response or an issue with the sensory or motor pathways. This is not characteristic of a positive Babinski reflex and could be a sign of neurological impairment.
Choice D rationale
The big toe bending down when the sole of the foot is stroked is a normal response in older children and adults, known as the plantar reflex. This response indicates a mature central nervous system and is not characteristic of a positive Babinski reflex in infants.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Amniotic fluid with meconium noted can indicate fetal distress, but it is not the most immediate priority compared to fetal heart tones.
Choice B rationale
A maternal temperature of 38.3°C (101°F) can indicate infection, but it is not the most immediate priority compared to fetal heart tones.
Choice C rationale
Foul-smelling vaginal discharge can indicate infection, but it is not the most immediate priority compared to fetal heart tones.
Choice D rationale
Fetal heart tones of 98/min indicate fetal bradycardia, which is a sign of fetal distress and requires immediate intervention to ensure the well-being of the fetus.
Correct Answer is B
Explanation
Choice A rationale
Feeding the baby six times a day is not sufficient. Newborns typically need to be fed 8-12 times in 24 hours to ensure they receive adequate nutrition and to establish a good milk supply.
Choice B rationale
Recognizing that the baby sucking on his hands is a hunger cue is correct. This is an early sign of hunger, and responding to these cues helps ensure the baby is fed before becoming too upset.
Choice C rationale
Feeding the baby for 10 minutes on each breast may not be adequate. The duration of feeding can vary, and it is important to allow the baby to feed until they are satisfied, which may take longer than 10 minutes.
Choice D rationale
Waking the baby at least every 6 hours at night for feedings is not recommended. Newborns should be fed more frequently, typically every 2-3 hours, including during the night, to ensure they receive enough nutrition.
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