A nurse is performing a heel stick blood glucose test on a newborn who is preterm.

The nurse should apply a heel warmer to the newborn’s foot before obtaining the blood sample for which of the following reasons?

To prevent infection

To increase blood flow

To reduce pain

To prevent bruising

Answer and Explanation

The Correct Answer is B

The correct answer is choice B. To increase blood flow. A heel warmer is applied to the newborn’s foot before obtaining the blood sample to increase the blood flow to the area and make it easier to collect the sample. A heel warmer can also reduce pain and bruising by dilating the blood vessels and reducing the need for multiple punctures.

Choice A is wrong because a heel warmer does not prevent infection. Infection prevention requires proper cleaning of the puncture site and disposal of the lancet.

Choice C is wrong because a heel warmer does not reduce pain by itself. Pain reduction requires other measures such as cuddling, feeding, and distraction.

Choice D is wrong because a heel warmer does not prevent bruising. Bruising prevention requires applying pressure to the puncture site after collecting the sample.

Normal ranges for blood glucose levels in newborns vary depending on the method of measurement, but generally they are between 2.6 and 6.0 mmol/L.

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Correct Answer is ["A","B","D"]

Explanation

The correct answer isA. Pitocin, B. Methergine, and D. Hemabate.

Choice A rationale:

Pitocin (oxytocin) is a first-line medication used to manage postpartum hemorrhage by stimulating uterine contractions to reduce bleeding.

Choice B rationale:

Methergine (methylergonovine) is another uterotonic agent used to control postpartum hemorrhage by causing sustained uterine contractions.

Choice C rationale:

Terbutaline is a tocolytic agent used to relax the uterus and is not used to manage postpartum hemorrhage.It is actually used to delay preterm labor.

Choice D rationale:

Hemabate (carboprost) is a prostaglandin used to treat severe postpartum hemorrhage by inducing strong uterine contractions.

Choice E rationale:

Magnesium sulfate is used to prevent seizures in preeclampsia and is not indicated for the management of postpartum hemorrhage.

A. Hyperglycemia B. Hypoglycemia C. Hypertension D. Hypothyroidism

Correct Answer is B

Explanation

The correct answer is choice B. Hypoglycemia.

The newborn is at risk for hypoglycemia because of the maternal diabetes and the prematurity.Maternal diabetes causes fetal hyperinsulinism, which persists after birth and lowers the blood glucose level of the newborn.Prematurity causes inadequate glycogen stores and immature enzyme function, which also contribute to hypoglycemia.Hypoglycemia can cause symptoms such as tachycardia, cyanosis, seizures, and apnea.

Choice A is wrong because hyperglycemia is unlikely in a newborn with hyperinsulinism and deficient glycogen stores.

Choice C is wrong because hypertension is not a common complication of maternal diabetes or prematurity in newborns.

Choice D is wrong because hypothyroidism is not related to maternal diabetes or prematurity.Hypothyroidism can cause symptoms such as lethargy, poor feeding, jaundice, and hypotonia.

Normal ranges for blood glucose levels in newborns vary depending on the age, weight, and feeding status of the baby.

Generally, a level below 40 mg/dL (2.2 mmol/L) in symptomatic term newborns, below 45 mg/dL (2.5 mmol/L) in asymptomatic term newborns between 24 hours and 48 hours of life, or below 30 mg/dL (1.7 mmol/L) in preterm newborns in the first 48 hours is considered hypoglyc

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A nurse is performing a heel stick blood glucose test on a newborn who is preterm. The nurse should apply a heel warmer to the newborn’s foot before obtaining the blood sample for which of the following reasons?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is ["A","B","D"]

Explanation

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Correct Answer is B

Explanation

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A nurse is performing a heel stick blood glucose test on a newborn who is preterm.

The nurse should apply a heel warmer to the newborn’s foot before obtaining the blood sample for which of the following reasons?