Today’s NCLEX® LPN question of the day focuses on taking vital signs and pulse rates. Do you know the answer? Let’s find out!

The nurse is reviewing the vital signs of several patients in the pediatric emergency department. Which patient has a pulse rate outside the expected range for age?

A. An 8-year-old patient with a radial pulse of 88/min

B. A 6-month-old patient with an apical pulse of 121/min

C. A 14-year-old patient with a brachial pulse of 94/min

D. A 4-year-old patient with a pulse of 131/min

Scroll down for the correct answer!

The correct answer to today’s NCLEX-PN® Question is…

D. A 4-year-old patient with a pulse of 131/min

Rationale: A pulse of 131/min is considered tachycardic for a 4-year-old, because it exceeds the expected range of 80 to 120/min for preschool-aged children between 3 and 5 years of age. 

Main Takeaway

Osmosis educational graphic showing normal pulse rate ranges by age group. A table lists typical pulse rates for infants, children, and adults, ranging from 100–180 beats per minute for infants under 1 year to 60–100 beats per minute for individuals aged 12 years and older. An illustration of a hand checking a wrist pulse next to a clock emphasizes measuring heart rate as the number of heartbeats per minute.
Osmosis nursing graphic comparing tachycardia and bradycardia. Electrocardiogram (ECG) tracings illustrate tachycardia as a heart rate faster than the normal range and bradycardia as a heart rate that is too slow. Icons beneath tachycardia depict possible associated conditions such as exercise, fever, pain, anxiety, and medication use, while icons beneath bradycardia show a heart and medication bottle representing causes of a slowed heart rate.

Normal pulse rates vary among different age groups. Adolescents and adults 12 years of age and older typically have a pulse rate between 60 and 100/min. School-aged children 6 to 12 years of age normally have a pulse rate between 75 and 118/min, preschool-aged children 3 to 5 years of age between 80 and 120/min, toddlers 1 to 2 years of age between 98 and 140/min, and infants younger than 1 year of age between 100 and 180/min Tachycardia is when the pulse rate is faster than the normal range and can result from strenuous exercise, fever, pain, anxiety, or certain medications. Bradycardia is when the pulse rate is slower than the normal range and can be due to heart problems or various medications.

Incorrect Answer Explanations

A. An 8-year-old patient with a radial pulse of 88/min

Rationale: The normal pulse for school-aged children between 6 and 12 years old is 75 to 118/min; therefore, this is an anticipated finding.

B. A 6-month-old patient with an apical pulse of 121/min

Rationale: The normal pulse for an infant younger than 1 year of age is 100 to 180/min; therefore, an apical pulse of 121/min is an expected finding.

C. A 14-year-old patient with a brachial pulse of 94/min

Rationale: The normal pulse for adolescents 12 years of age or older is 60 to 100/min; therefore, a pulse of 94/min is an expected finding.

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