An infant, age 6 months, is brought to the clinic for a well-baby visit. The mother reports that the infant weighed 7 lb (3.2 kg) at birth. Based on the nurse’s knowledge of infant weight gain, which current weight would be within the normal range for this infant?
a. 14 lb (6.4 kg)
b. 21 lb (9.5 kg)
c. 10.5 lb (4.8 kg)
d. 17.5 lb (7.9 kg)
Answer A. Birth weight typically doubles by age 6 months and triples by age 12 months.
Therefore, an infant who weighed 7 lb (3.2 kg) at birth should weigh 14 lb (6.4 kg) at age 6 months.
a. 14 lb (6.4 kg)
b. 21 lb (9.5 kg)
c. 10.5 lb (4.8 kg)
d. 17.5 lb (7.9 kg)
Answer A. Birth weight typically doubles by age 6 months and triples by age 12 months.
Therefore, an infant who weighed 7 lb (3.2 kg) at birth should weigh 14 lb (6.4 kg) at age 6 months.
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Physiological Integrity