Ch 7 A Closer Look: Vitamin Deficiency Disease and Vitamin D

In order for this synthesis to occur, a series of steps are necessary and any disruption in this process can result in a deficiency of vitamin D. With this in mind, choose the situations or conditions that could contribute to a vitamin D deficiency. Check all that apply. (1) Having kidney disease (2) Wearing protective clothing and sunscreen when outdoors (3) Living in a region with a lot of sunlight (4) Having a lighter skin pigmentation

(1) Having kidney disease (2) Wearing protective clothing and sunscreen when outdoors

Decreased activation of vitamin D will result in (1) absorption of calcium in the small intestine and (2) risk of inadequate bone mineralization.

(1) decreased (2) increased

According to the animation, the active, or usable, form of vitamin D, is synthesized in the (1) .

(1) kidneys

James is a 2-year-old African American boy who lives in Seattle. He was breastfed in his first year of life and, since this time, he has refused to drink milk or consume any other dairy products, as he does not like the taste. As a result, a recent checkup indicated that James has a disease called (1), or inadequate mineralization of his skeleton. This would be considered a (2) deficiency that (3) be treated with vitamin D supplementation.

(1) rickets (2) primary (3) could

Vitamins have many functions throughout the body. For example, vitamin A is important for (1) , vitamin C is important for (2), and vitamin D is important for (3).

(1) vision (2) collagen synthesis (3) calcium regulation

A (1) is an organic compound that must be obtained from the diet and is needed to sustain life.

(1) vitamin

A (1) is a lack or shortage of a particular vitamin, and prolonged insufficiency can eventually lead to a (2) , characterized by harmful symptoms.

(1) vitamin deficiency (2) vitamin deficiency disease

Vitamin D has many functions throughout the body. While severe deficiency directly leads to poor bone mineralization, resulting in rickets and osteomalacia, current research suggests that a deficit in vitamin D may be involved in the etiology of many disorders, including cardiovascular disease, respiratory infection, diabetes, infectious disease, and some cancers. Given what you know about the characteristics of a deficiency disease, which of the following would be considered a deficiency disease resulting from inadequate levels of vitamin D? Check all that apply. (1) Cardiovascular disease (2) Breast cancer (3) Osteomalacia (4) Cystic fibrosis (5) Rickets

(3) Osteomalacia (5) Rickets

A number of risk factors contribute to inadequate levels of vitamin D and increase the likelihood of developing a deficiency disease. Choose the image that depicts the individual at greatest risk for vitamin D deficiency. (1) Finn is a 15-year-old Caucasian boy with a fair complexion who spends a lot of time outdoors playing on his high school soccer team. (2) Ryan is a 15-year-old Caucasian boy with a medium complexion who spends a lot of time outdoors playing pick-up basketball. (3) Zeshawn is a 15-year-old African American boy who spends a lot of time outdoors competing on his high school track team.

(3) Zeshawn is a 15-year-old African American boy who spends a lot of time outdoors competing on his high school track team.