How do nutritional needs change over time? the number of calories needed increases throughout a person’s lifetime. the number of calories needed increases from infancy to young adulthood. the number of calories needed increases from young adulthood until old age. the number of calories needed remains the same from young adulthood throughout old age.

Which of the following represents the results of a review of well-controlled studies of vitamin c supplementation on the resistance to, and recovery from, colds? there was a reduction in the duration of colds by 50% on the average. there was a slight effect on reducing the duration and severity of colds for people taking vitamin c supplements. there was a significant reduction in the duration of colds in people who consumed at least one gram a day. there was a significant reduction in the number of colds only in people who consumed > three grams per day.

Blank is the growth of adnormal cells in the tissues of the body

This anterior tooth has a single root and sharp incisal edges. it has mamelons upon eruptions. this tooth is a a. maxillary central incisor. b. mandibular central incisor. c. mandibular canine. d. maxillary lateral incisor.