Nutrition exam 2

The main function of carbohydrates in the body is to:

• insulate the body to prevent heat loss

• build muscle

• furnish the body with energy

• synthesize fat

• provide material for synthesizing cell walls

Which of the following are monosaccharides

• fructose, glucose, and galactose

• maltose, fructose, and lactose

• glucose, lactose, and fructose

• maltose, fructose, and lactose

Which of the following is the principal carbohydrate in milk

• galactose

• lactose

• fructose

• maltose

Which of the following carbohydrate is a polysaccharide

• lactose

• starch

• fructose

• maltose

The stored form of glucose in the body is called:

• insulin

• glycogen

• protein

• maltose

• fat

Cellulose, pectin, hemicellulose, and gum are:

• nonnutritive sweeteners

• fibers

• forms of starch

• whole grains

• 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

• stomach

• salivary amylase

• bacterial enzymes

• maltase

• pancreatic amylase

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

• lactase

• maltose

• maltase

• bacterial enzymes

What happens when blood glucose falls too low

• Insulin promotes glycogen synthesis in the muscle

• Glucagon promotes breakdown of the liver glycogen

• Insulin promotes breakdown of muscle glycogen

• Insulin promotes glycogen synthesis in the liver

• Glucagon promotes breakdown of muscle glycogen