The nurse is assessing an infant at his 4-month well-baby check-up. The nurse notes that at birth the baby weighed 8 lb (3.6 kg)and was 20 in (50.8 cm)in length. Which finding is most consistent with the normal infant growth and development?
a) The baby weighs 21 lb (9.5 kg)and is 30 in (76.2 cm) in length.
b) The baby weighs 24 lb (10.9 kg) and is 26 (66.0 cm) in in length.
c) The baby weighs 15 lb (6.8 kg)and is 24 in (61.0 cm) in length.
d) The baby weighs 16 lb (7.3 kg) and is 26 in (66.0 cm) in length.
Answer: The baby weighs 16 lb (7.3 kg) and is 26 in (66.0 cm) in length.