In the nursery, the nurse is taking the newborn's vital signs. The nurse compares the newborn's measurements with which of the following expected values for this age group?
a. Heart rate, 140 beats per minute; blood pressure, 72/44 mm Hg; respiratory rate, 46 breaths per minute
b. Heart rate, 100 beats per minute; blood pressure, 90/50 mm Hg; respiratory rate, 24 breaths per minute
c. Heart rate, 90 beats per minute; blood pressure, 100/60 mm Hg; respiratory rate, 20 breaths per minute
d. Heart rate, 80 beats per minute; blood pressure, 100/70 mm Hg; respiratory rate, 16 breaths per minute
A
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A The expected values for the newborn's vital signs are heart rate, 120 to 160 beats per minute; blood pressure, 85/54 mm Hg, and respiratory rate 30 to 60 breaths per minute. This option demonstrates values within the normal range.
B In the option, "heart rate, 100 beats per minute; blood pressure, 90/50 mm Hg; respiratory rate, 24 breaths per minute," the heart and respiratory rates are too low and the blood pressure too high for a newborn. These would be normal vital signs for a toddler.
C In the option, "heart rate, 90 beats per minute; blood pressure, 100/60 mm Hg; respiratory rate, 20 breaths per minute," the heart and respiratory rates are too low and the blood pressure too high for a newborn. These vital signs are more consistent with the normal range for a preschooler.
D In the option, "Heart rate, 80 beats per minute; blood pressure, 100/70 mm Hg; respiratory rate, 16 breaths per minute," the heart and respiratory rates are too low and the blood pressure too high for a newborn. These vital signs are more consistent with the normal findings for a school-age child.
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