Exam 8: Vitamins

Edna is 70 years of age.She is very healthy,and the only medication she takes is a prescription drug that reduces her stomach's acid production.Her diet includes a variety of foods from all food groups.Based on this information,Edna is at risk of developing _________.

Vitamin C _________.

The classic signs and symptoms of pellagra include _________.

In the body,vitamin A helps _________.

Which of the following foods provides the most beta-carotene per serving?

The human body needs vitamin K to _________.

The liver needs vitamin K to _________.

Having excess body fat increases the risk of _________.

Which of the following foods is the best source of preformed vitamin A?

Why is taking excess amounts of fat-soluble vitamins more likely to cause toxicity than taking excesses of water-soluble vitamins?

Cooper eats a lot of refined grain products that have not been enriched with nutrients.He likes to eat fresh fruit,cabbage,and corn; but he avoids pork,beef,poultry,chicken,eggs,and dairy foods.Recently,he has been feeling tired,and his muscles are not as strong as they used to be.The skin of his face and neck has red and scaly patches.For the past couple of days,he has had bouts of diarrhe A.Based on this information,Cooper probably is suffering from _________.

Charcoal-broiled meats may be a source of _________.

A medical researcher has isolated a chemical from cigarette smoke.When the scientist mixes a small amount of the substance with living human cells,the chemical damages unsaturated fatty acids in the cells' plasma membranes.He is able to prevent this damage by adding vitamin E to the mixture of the chemical and cells.Based on this information,the scientist has _________.

Which of the following statements is true?

In general,B vitamins function as _________.

Which of the following food groups includes foods that are rich sources of riboflavin?

As a result of an inherited metabolic defect,Christopher's cells have difficulty converting homocysteine to _________.

Kevin is a body builder who takes a variety of vitamin supplements.He often has diarrhea,and last week he was diagnosed with a kidney stone.Based on this information,which of his supplements is most likely contributing to his current health problems?

Which of the following organs is the leading site for cancer deaths among American men and women?

_____ are fat-soluble vitamins.