Which racial and ethnic group in the United States has lower infant morbidity and mortality rates than other groups? Hispanics Caucasians Asian Americans African Americans {Ans: Caucasians have lower infant morbidity and mortality rates than Hispanics, Asian Americans, African Americans, Native Americans, and Alaska Natives. This disparity results from different biological, environmental, and health factors such as birth defects, sexually transmitted infections, low educational attainment, and low income. p. 1}The nurse finds that a newborn infant weighs approximately 3 kg (7 lb). Approximately how much would the child weigh when he reaches 2.5 years of age? 9 kg (20 lb) 12 kg (27 lb) 15 kg (33 lb) 17 kg (38 lb) {Ans: A baby typically quadruples in weight by the time the child reaches 2 to 2.5 years of age. A child who weighed 3 kg (7 lb) at birth should weigh four times as much as that by 2.5 years, or 12 kg (27 lb). Birth weight triples by the age of 6 months, so the child's weight would be 9 kg (20 lb) at 6 months. The child would attain a body weight of 15 kg (33 lb) and 17 kg (38 lb) after 2.5