A nurse is preparing to measure an infant’s vital signs.
Which of the following sites should the nurse use to assess the heart rate?
Carotid artery
Brachial artery
Apex of the heart
Radial artery .
The Correct Answer is C
Choice C rationale
The apex of the heart is the most appropriate site to assess an infant’s heart rate. In infants, the apical pulse provides the most accurate assessment of heart rate. The apical pulse is located at the fifth intercostal space at the midclavicular line.
Choice A rationale
The carotid artery is not typically used to assess an infant’s heart rate. This site is more commonly used in adults and older children.
Choice B rationale
The brachial artery can be used to assess an infant’s heart rate, but it is typically used for blood pressure measurements rather than heart rate assessments.
Choice D rationale
The radial artery is not typically used to assess an infant’s heart rate. This site is more commonly used in adults and older children.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Monitoring vaginal bleeding is the priority nursing action for a client who is at 33 weeks of gestation and has a diagnosis of placenta previa. Placenta previa can cause painless, bright red vaginal bleeding during the third trimester. This bleeding can lead to serious complications for both the mother and the fetus, making it crucial to monitor for this symptom.
Choice B rationale
Administering glucocorticoids is not the priority nursing action in this situation. While glucocorticoids can be used to accelerate fetal lung maturity in cases of preterm labor, they are not the primary treatment for placenta previa.
Choice C rationale
Inserting an IV catheter may be necessary for administering medications or fluids, but it is not the priority action. The nurse’s primary concern should be monitoring for signs of bleeding.
Choice D rationale
Applying an external fetal monitor can help assess the well-being of the fetus, but it is not the priority action. The nurse’s main focus should be on monitoring for vaginal bleeding.
Correct Answer is B
Explanation
Choice A rationale
Low birth weight is defined as a birth weight of less than 2500 grams. This newborn weighs 3200 grams, so it does not fall into this category.
Choice B rationale
A newborn is considered appropriate for gestational age if its weight falls between the 10th and 90th percentile for its gestational age. This newborn’s weight is in the 60th percentile for its gestational age of 38 weeks, so it is appropriate for gestational age.
Choice C rationale
Large for gestational age refers to a newborn whose weight is above the 90th percentile for its gestational age. This newborn’s weight is in the 60th percentile, so it does not fall into this category.
Choice D rationale
Small for gestational age refers to a newborn whose weight is below the 10th percentile for its gestational age. This newborn’s weight is in the 60th percentile, so it does not fall into this category.
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