Nutrition exam 2

The main function of carbohydrates in the body is to:

• insulate the body to prevent heat loss

• furnish the body with energy

• provide material for synthesizing cell walls

• build muscle

• synthesize fat

Which of the following are monosaccharides

• maltose, fructose, and lactose

• fructose, glucose, and galactose

• glucose, lactose, and fructose

• maltose, fructose, and lactose

Which of the following is the principal carbohydrate in milk

• fructose

• lactose

• galactose

• maltose

Which of the following carbohydrate is a polysaccharide

• fructose

• starch

• lactose

• maltose

The stored form of glucose in the body is called:

• protein

• glycogen

• insulin

• fat

• maltose

Cellulose, pectin, hemicellulose, and gum are:

• fibers

• whole grains

• nonnutritive sweeteners

• forms of starch

• sugar alcohols

Carbohydrates should contribute approximately what percentage of the total daily energy

• 45-65

• 70-80

• 35-40

• 55-60

• 45-55

What is responsible for the digestion of some types of fiber in the digestive tract

• salivary amylase

• stomach

• bacterial enzymes

• pancreatic amylase

• maltase

In the small intestine, amylase breaks starch down into which of the following

• maltase

• maltose

• lactase

• bacterial enzymes

What happens when blood glucose falls too low

• Glucagon promotes breakdown of the liver glycogen

• Insulin promotes glycogen synthesis in the muscle

• Insulin promotes glycogen synthesis in the liver

• Glucagon promotes breakdown of muscle glycogen

• Insulin promotes breakdown of muscle glycogen