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

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

The stomach is bounded on both ends by a sphincter.

Accepted Answer

A) True 
 B)False

Question 4

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 lactase 
A)  salivary lipase 
B)  salivary protease 
C)  salivary sucrase 
D)  salivary amylase 
E)  salivary lactase

Question 5

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

Question 6

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 receptors 
A)  muscle 
B)  dentin 
C)  taste buds 
D)  mucous membrane 
E)  sensory receptors

Question 7

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. 
A)  They absorb iron. 
B)  They absorb fats. 
C)  They produce vitamin B. 
D)  They produce bile. 
E)  They absorb water.

Question 8

The gallbladder produces bile.

Accepted Answer

A) True 
 B)False

Question 9

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

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

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-carbohydrates 
A)  nuclease-DNA 
B)  lipase-fat 
C)  pepsin-protein 
D)  amylase-starch 
E)  trypsin-carbohydrates

Question 12

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

Accepted Answer

A)  cysts. 
B)  villi. 
C)  polyps. 
D)  lacteals. 
E)  wheals. 
A)  cysts. 
B)  villi. 
C)  polyps. 
D)  lacteals. 
E)  wheals.

Question 13

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)  sulfur 
A)  calcium 
B)  iron 
C)  magnesium 
D)  sodium 
E)  sulfur

Question 14

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 tissues 
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 tissues

Question 15

The process that pushes food through the esophagus is called

Accepted Answer

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

Question 16

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 17

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 18

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, anus 
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, anus

Question 19

Which vitamin is fat soluble?

Accepted Answer

A)  vitamin C 
B)  vitamin E 
C)  vitamin B6 
D)  vitamin B12 
E)  biotin 
A)  vitamin C 
B)  vitamin E 
C)  vitamin B6 
D)  vitamin B12 
E)  biotin

Question 20

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

Exam 9: Digestive System and Nutrition

Why is bile a yellowish-green color?

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

The stomach is bounded on both ends by a sphincter.

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

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

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

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

The gallbladder produces bile.

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

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

Which of the enzyme-substrate pairings is not correct?

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

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

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

The process that pushes food through the esophagus is called

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

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

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

Which vitamin is fat soluble?

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

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