Question 1

Why is bile a yellowish-green color?

Accepted Answer

A)   It contains pancreatic juices.
B)   It contains bilirubin.
C)   It contains biliverdin.
D)   It contains chlorophyll.
E)   It contains cholesterol.F) D) and E)
G) A) and D)

Question 2

What is the correct order of the components of the digestive tract?

Accepted Answer

A)   mouth, esophagus, pharynx, small intestine, stomach, large intestine, rectum, anus
B)   mouth, pharynx, esophagus, stomach, large intestine, small intestine, rectum, anus
C)   mouth, pharynx, stomach, esophagus, small intestine, rectum, large intestine, anus
D)   mouth, pharynx, esophagus, stomach, small intestine, large intestine, rectum, anus
E)   mouth, rectum, large intestine, small intestine, stomach, esophagus, pharynx, anusF) A) and B)
G) None of the above

Question 3

What is one benefit of normal flora in the large intestine?

Accepted Answer

A)   They absorb iron.
B)   They absorb fats.
C)   They produce vitamin B.
D)   They produce bile.
E)   They absorb water.F) All of the above
G) C) and D)

Question 4

Today, obesity is often defined as having a body mass index BMI) of 20 or greater.

Accepted Answer

A) True 
 B)False

Question 5

Which of the enzyme-substrate pairings is not correct?

Accepted Answer

A)   nuclease-DNA
B)   lipase-fat
C)   pepsin-protein
D)   amylase-starch
E)   trypsin-carbohydratesF) A) and D)
G) All of the above

Question 6

What enzyme initiates the process of starch digestion in the mouth?

Accepted Answer

A)   salivary lipase
B)   salivary protease
C)   salivary sucrase
D)   salivary amylase
E)   salivary lactaseF) All of the above
G) A) and D)

Question 7

List the layers of the gastrointestinal tract wall, starting with the outer layer and moving inward.

Accepted Answer

The outermost layer is the serosa layer,...

Question 8

Body mass index BMI) is useful because it gives you an idea of how much of your weight is due to adipose tissue.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is not associated with the small intestine?

Accepted Answer

A)   many villi
B)   gastric pits
C)   brush border enzymes
D)   lacteals
E)   bile and lipaseF) A) and C)
G) B) and E)

Question 10

Which vitamin is fat soluble?

Accepted Answer

A)   vitamin C
B)   vitamin E
C)   vitamin B6
D)   vitamin B12
E)   biotinF) A) and D)
G) All of the above

Question 11

Which of the following is not a function of the digestive system?

Accepted Answer

A)   to ingest food
B)   to digest food into small nutrients so that the molecules can pass through membranes
C)   to absorb nutrient molecules
D)   to eliminate indigestible remains
E)   to deliver oxygen to the body's tissuesF) A) and C)
G) B) and D)

Question 12

The broad band of loose connective tissue beneath the mucosa that contains blood vessels, lymph, and nerves is called the

Accepted Answer

A)   mucosa.
B)   submucosa.
C)   muscularis.
D)   serosa.
E)   diverticulosis.F) A) and C)
G) C) and E)

Question 13

The stomach is bounded on both ends by a sphincter.

Accepted Answer

A) True 
 B)False

Question 14

Small growths arising from the epithelial lining of the colon are called

Accepted Answer

A)   cysts.
B)   villi.
C)   polyps.
D)   lacteals.
E)   wheals.F) A) and C)
G) None of the above

Question 15

The gallbladder produces bile.

Accepted Answer

A) True 
 B)False

Question 16

Mr. Staub was rushed to the hospital because he had intense pain in his chest. After running tests on Mr. Staub, doctors determined that he was not suffering from a heart attack but from

Accepted Answer

A)   diverticulitis.
B)   gastroesophageal reflux disease.
C)   gingivitis.
D)   periodontitis.
E)   irritable bowel syndrome.F) A) and B)
G) A) and C)

Question 17

Which of the following is necessary for strong bones and teeth, nerve conduction, muscle contraction, and blood clotting?

Accepted Answer

A)   calcium
B)   iron
C)   magnesium
D)   sodium
E)   sulfurF) A) and C)
G) B) and C)

Question 18

Which of the following is not found in/on the tongue?

Accepted Answer

A)   muscle
B)   dentin
C)   taste buds
D)   mucous membrane
E)   sensory receptorsF) B) and D)
G) C) and D)

Question 19

The process that pushes food through the esophagus is called

Accepted Answer

A)   peritoneum.
B)   periosteum.
C)   peristalsis.
D)   perineum.
E)   periodontal.F) A) and B)
G) A) and C)

Question 20

The glottis closes off the larynx so the bolus of food enters the esophagus and not the trachea.

Accepted Answer

A) True 
 B)False

Exam 9: Digestive System and Nutrition

List the layers of the gastrointestinal tract wall, starting with the outer layer and moving inward.

Correct AnswerverifiedThe outermost layer is the serosa layer,...View AnswerShow Answer

Which of the following is not associated with the small intestine?

Correct AnswerverifiedShow Answer

Which of the enzyme-substrate pairings is not correct?

Correct AnswerverifiedShow Answer

Why is bile a yellowish-green color?

Correct AnswerverifiedShow Answer

Which vitamin is fat soluble?

Correct AnswerverifiedShow Answer

Which of the following is not found in/on the tongue?

Correct AnswerverifiedShow Answer

What enzyme initiates the process of starch digestion in the mouth?

Correct AnswerverifiedShow Answer

Which of the following is necessary for strong bones and teeth, nerve conduction, muscle contraction, and blood clotting?

Correct AnswerverifiedShow Answer

Today, obesity is often defined as having a body mass index BMI) of 20 or greater.

Correct AnswerverifiedShow Answer

The process that pushes food through the esophagus is called

Correct AnswerverifiedShow Answer

Small growths arising from the epithelial lining of the colon are called

Correct AnswerverifiedShow Answer

Mr. Staub was rushed to the hospital because he had intense pain in his chest. After running tests on Mr. Staub, doctors determined that he was not suffering from a heart attack but from

Correct AnswerverifiedShow Answer

What is one benefit of normal flora in the large intestine?

Correct AnswerverifiedShow Answer

The broad band of loose connective tissue beneath the mucosa that contains blood vessels, lymph, and nerves is called the

Correct AnswerverifiedShow Answer

Body mass index BMI) is useful because it gives you an idea of how much of your weight is due to adipose tissue.

Correct AnswerverifiedShow Answer

The stomach is bounded on both ends by a sphincter.

Correct AnswerverifiedShow Answer

The glottis closes off the larynx so the bolus of food enters the esophagus and not the trachea.

Correct AnswerverifiedShow Answer

What is the correct order of the components of the digestive tract?

Correct AnswerverifiedShow Answer

Which of the following is not a function of the digestive system?

Correct AnswerverifiedShow Answer

The gallbladder produces bile.

Correct AnswerverifiedShow Answer

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