Chapter 35 Test

Which is an example of chemical digestion?

• A. breaking down food with saliva

• B. chewing food to break it down

• C. churning food in small intestine

• D. excreting undigested food as waste

Calories written on food labels are used to measure the

• A. energy content in foods.

• B. mass of a food serving.

• C. nutritional value of foods.

• D. weight of a food serving.

Which is the primary function of the colon?

• A. absorbing nutrients from chyme

• B. absorbing water from chyme

• C. completing chemical digestion

• D. completing mechanical digestion

Which causes high cholesterol, high blood pressure, and heart problems?

• A. complex carbohydrates

• B. saturated fats

• C. simple carbohydrates

• D. unsaturated fats

Which digestive system structure contains the enzyme pepsin?

• A. esophagus

• B. large intestine

• C. small intestine

• D. stomach

Reading nutrition labels is especially helpful for

• A. assessing vitamin needs.

• B. counting amino acid types.

• C. monitoring total fat intake.

• D. setting daily calorie goals.

1.  Identify the organs labeled A, B, and C in the drawing.

A.                                                                                                                                     

B.                                                                                                                                     

C.                                                                                                                                     

 

                   1.  contains strong acids for breaking down foods

                   2.  completes the chemical digestion of food

                   3.  converts indigestible food into feces

A.  large intestine

B.  small intestine

C.  stomach

 

 

                   4.  includes sugars such as glucose and sucrose

                   5.  found in large quantities in animal products

                   6.  stores energy and transports some vitamins

                   7.  examples include iron and calcium

A.  carbohydrate

B.  fat

C.  mineral

D.  protein