51.What are short chains of glucose units that result from starch breakdown called?

a.mucilages

b.lignins

c.pectins

d.dextrins

52.Which of these parts of the digestive system is the primary absorption site for digestible carbohydrates?

a.mouth

b.stomach

c.small intestine

d.large intestine

53.Dolores believes that resting after consuming a carbohydrate-rich snack will initiate digestion faster. What would be the best advice for Delores?

a.She should spend 10–15 minutes exercising, instead of resting, to help her body break down the carbohydrates faster.

b.Resting will have no effect because her body will not begin to break down the carbohydrates until they reach the small intestine, approximately 2 hours after the snack.

c.Resting makes no difference to the rate at which  the hydrochloric acid in her stomach breaks down all the carbohydrates.

d.Since she has already begun carbohydrate digestion in the mouth through the action of salivary amylase, resting will not help.

54.The enzymes that digest dietary sugars are produced by which of the following parts of the digestive system?

a.mouth

b.stomach

c.pancreas

d.small intestine

55.Which of the following ingredients listed on food labels would be acceptable to the person who is highly intolerant to lactose in the diet?

a.whey

b.casein

c.dextrins

d.milk solids

56.Which of the following digestive enzymes acts on polysaccharides?

a.lactase

b.sucrase

c.amylase

d.maltase

57.What is the primary organ that converts fructose to glucose following absorption?

a.liver

b.pancreas

c.skeletal muscle

d.small intestines

58.What is the first organ to receive carbohydrates absorbed from the intestine?

a.heart

b.liver

c.pancreas

d.skeletal muscle

59.What percentage of the world’s adult population shows good tolerance to lactose ingestion?

a.30 percent

b.55 percent

c.80 percent

d.95 percent

60.Which of the following factors would least likely be connected with the development of lactose intolerance?

a.medicines

b.milk allergy

c.prolonged diarrhea

d.inherited lactase deficiency