A nurse is checking the reflexes of a newborn.Which of the following actions should the nurse use to elicit the Babinski reflex?
Place the newborn supine and apply pressure to the soles of the feet.
Stroke upward on the lateral aspect of the sole of the newborn’s foot.
Pull the newborn up by the wrist from a supine position.
Touch the corner of the newborn’s mouth.
The Correct Answer is B
Choice A rationale
Placing the newborn supine and applying pressure to the soles of the feet is not the correct method to elicit the Babinski reflex. This action does not stimulate the appropriate nerve pathways involved in the reflex.
Choice B rationale
Stroking upward on the lateral aspect of the sole of the newborn’s foot is the correct method to elicit the Babinski reflex. This action stimulates the plantar reflex, causing the big toe to extend upward and the other toes to fan out.
Choice C rationale
Pulling the newborn up by the wrist from a supine position is used to elicit the traction response, not the Babinski reflex. The traction response involves the newborn flexing their arms and attempting to lift their head.
Choice D rationale
Touching the corner of the newborn’s mouth elicits the rooting reflex, not the Babinski reflex. The rooting reflex causes the newborn to turn their head toward the stimulus and open their mouth.
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Correct Answer is D
Explanation
Choice A rationale
Serum bilirubin is not the priority test for hyperemesis gravidarum. It is more relevant for assessing liver function and jaundice.
Choice B rationale
Liver enzymes may be elevated in hyperemesis gravidarum, but they are not the priority test. The primary concern is dehydration and electrolyte imbalance.
Choice C rationale
A CBC can provide information on the client’s overall health, but it is not the priority test for hyperemesis gravidarum. The focus should be on assessing hydration status.
Choice D rationale
Urinalysis for ketones is the priority test because it helps assess the severity of dehydration and malnutrition. The presence of ketones indicates that the body is breaking down fat for energy, which is a sign of inadequate caloric intake.
Correct Answer is C
Explanation
Choice A rationale
Applying lotion to the newborn’s extremities every 8 hours is not recommended during phototherapy. Lotions and ointments can cause burns when exposed to phototherapy lights and may interfere with the treatment’s effectiveness.
Choice B rationale
Repositioning the newborn every 4 hours is not frequent enough. The newborn should be repositioned every 2 hours to ensure even exposure to the phototherapy light and to prevent pressure sores.
Choice C rationale
Removing the eye mask during feedings is correct. The eye mask should be removed during feedings to allow for bonding and to check for any signs of irritation or infection. This also ensures that the newborn’s eyes are protected from the phototherapy light when not under the lamp.
Choice D rationale
Supplementing feedings with glucose water is not recommended. Breast milk or formula should be used to ensure the newborn receives adequate nutrition and hydration. Glucose water does not provide the necessary nutrients and can interfere with breastfeeding.