Quiz #1

True/False: Alcohol is considered a nutrient, the same as for carbohydrate, protein, and fat.

False. Feedback: Although alcohol does contain calories (7kcal per gram), it is not considered a nutrient because it has no required function.

True/False: Fats yield more calories per gram than carbohydrates.

True. Feedback: One gram of protein yields about 4 kcal , 1 gram of carbohydrate about 4 kcal, 1 gram of fat about 9 kcal and 1 gram of alcohol about 7 kcal.

True/False: Much of what we know about nutrition was discovered in the 20th century.

True. Feedback: Research in the 20th century has contributed most of our current knowledge about nutrition. Much of this research took place in North America.

In nutrition, the word "essential" means:

a necessary nutrient that can be obtained only from the diet

Sources of carbohydrate are:

cereals, fruits, vegetables, and milk. Feedback: Sources of carbohydrates include cereals (starch and fiber), fruits and vegetables (glucose, fiber and fructose), and milk (lactose).

Nutrients that supply calories are:

fats and carbohydrates. Feedback: Fats provide 9 kcals per gram and carbohydrates provide 4 calories per gram.

A function of protein is to:

promote growth and repair of the body. Feedback: Proteins promote growth and repair of the body making up the major part of bone and muscle.

Carbohydrates, lipids, and proteins all contain carbon, hydrogen, and oxygen. Which one also contains nitrogen?

proteins Feedback: Like carbohydrates and lipids proteins contain carbon, hydrogen and oxygen; however, in addition all proteins contain nitrogen.

Functions of lipids in the diet are to:

provide fats essential for body function. Feedback: Certain fatty acids are essential for several important body functions including a role in regulation of blood pressure and synthesis and repair of vital cell parts.

A function of carbohydrates in the diet is to:

supply calories and energy Feedback: Carbohydrates are needed in our diet primarily to supply calories.