Tachycardia in an infant between birth and age 1 month is a heart rate:
between 90 and 110 beats per minute.
between 115 and 140 beats per minute.
between 150 and 170 beats per minute,
greater than 180 beats per minute.
The Correct Answer is D
Rationale:
A. A heart rate of 90–110 beats per minute is below the normal range for a newborn and would be considered bradycardia.
B. 115–140 beats per minute falls within the normal resting range for infants, especially when asleep.
C. 150–170 beats per minute can be normal during activity or crying in a newborn.
D. Tachycardia in infants younger than 1 month is defined as a heart rate greater than 180 beats per minute at rest. Persistent tachycardia may indicate underlying conditions such as infection, dehydration, anemia, or cardiac disorders and warrants further evaluation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Rationale:
A. Withdrawal from physical activity such as track is not necessary for a healthy, uncomplicated pregnancy; regular exercise is encouraged.
B. Limiting sexual intercourse is not routinely required in a normal pregnancy unless there are complications.
C. Avoiding undercooked steaks and other undercooked meats is important to reduce the risk of foodborne infections, particularly Toxoplasma gondii and other pathogens, which can be harmful to the developing fetus.
D. Weight gain should not be limited to 15 pounds; recommendations vary based on pre-pregnancy BMI, and restricting weight gain unnecessarily may be harmful.
Correct Answer is B
Explanation
Rationale:
A. Klinefelter syndrome affects males and is characterized by tall stature, small testes, and hypogonadism, not delayed female puberty.
B. Turner syndrome affects females and is associated with short stature (often below the third percentile), gonadal dysgenesis, and delayed or absent puberty. It is a common cause of primary amenorrhea in adolescent girls.
C. Anorexia can cause delayed puberty due to low body weight, but the hallmark of Turner syndrome is short stature from birth.
D. Obesity is more commonly associated with earlier puberty rather than delayed puberty in females.
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