Question 1

Muscles that encircle tubes and act as circular valves are called

Accepted Answer

A)   frenula.
B)   sphincters.
C)   cannula.
D)   anastomoses.
E)   buccinators.

Question 2

What greatly increases the capacity of the stomach?

Accepted Answer

A)   crypts
B)   lumens
C)   polyps
D)   rugae
E)   diverticula

Question 3

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 4

Constipation can be treated by adding fiber to the diet.

Accepted Answer

A) True 
 B)False

Question 5

The primary function of the stomach is to

Accepted Answer

A)   break down fats.
B)   store food, churn, and begin digestion.
C)   absorb major nutrients.
D)   package feces.
E)   eliminate water and tissue fluid.

Question 6

Recent studies of an oyster-rich bay indicated a high coliform count.What should the fisheries'officers do?

Accepted Answer

A)   Nothing. A high coliform count is normal.
B)   Nothing. A high coliform count is good for oyster production.
C)   Shut down the bay. A high coliform count is harmful to humans who eat the oysters.
D)   Shut down the bay. A high coliform count is harmful to the oysters.
E)   Nothing. A high coliform count is beneficial to humans who eat the oysters.

Question 7

Swallowing consists of both a voluntary phase and a reflex action.

Accepted Answer

A) True 
 B)False

Question 8

The portions of the large intestine include

Accepted Answer

A)   the duodenum, cecum, and rectum.
B)   the jejunum, colon, and anus.
C)   the cecum, colon, rectum, and anus.
D)   the colon, duodenum, cecum, and rectum.
E)   the colon, anus, duodenum, and jejunum.

Question 9

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

Question 10

Which of the following is not associated with the stomach?

Accepted Answer

A)   alcohol absorption
B)   gastric glands
C)   rugae
D)   duodenum
E)   pepsin

Question 11

Pepsin is an enzyme that digests proteins at acidic pH.Therefore,it must act in the

Accepted Answer

A)   stomach.
B)   small intestine.
C)   mouth.
D)   large intestine.
E)   esophagus.

Question 12

According to the body mass index (BMI) chart,a healthy BMI is

Accepted Answer

A)   between 18.5 and 24.9.
B)   between 25 and 29.9.
C)   30 or higher.
D)   40 or higher.
E)   50 or higher.

Question 13

When a nutrition label says a food product has 0 grams of trans fat,this might not mean there are no trans fats in the food.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is a digestive hormone that causes the gallbladder to release stored bile?

Accepted Answer

A)   GIP
B)   CCK
C)   HCl
D)   ATP
E)   NAD

Question 15

The process of mechanical digestion includes

Accepted Answer

A)   the breakdown of food particles by enzymes.
B)   physically making food smaller and easier to handle.
C)   the churning of food in the muscular stomach.
D)   the hydrolysis of nutrients.
E)   both B and C

Question 16

The layers of the gastrointestinal tract wall from the inside layer outward in order are

Accepted Answer

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

Question 17

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

Accepted Answer

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

Question 18

Which accessory organ of the digestive system processes and stores nutrients,as well as produces bile for emulsification?

Accepted Answer

A)   liver
B)   gallbladder
C)   pancreas
D)   stomach
E)   small intestine

Question 19

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

Question 20

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.

Exam 9: Digestive System and Nutrition

Which of the enzyme-substrate pairings is not correct?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Pepsin is an enzyme that digests proteins at acidic pH.Therefore,it must act in the

Correct AnswerverifiedShow Answer

The process of mechanical digestion includes

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

According to the body mass index (BMI) chart,a healthy BMI is

Correct AnswerverifiedShow Answer

Which of the following is not associated with the stomach?

Correct AnswerverifiedShow Answer

The layers of the gastrointestinal tract wall from the inside layer outward in order are

Correct AnswerverifiedShow Answer

Swallowing consists of both a voluntary phase and a reflex action.

Correct AnswerverifiedShow Answer

Muscles that encircle tubes and act as circular valves 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

When a nutrition label says a food product has 0 grams of trans fat,this might not mean there are no trans fats in the food.

Correct AnswerverifiedShow Answer

Which accessory organ of the digestive system processes and stores nutrients,as well as produces bile for emulsification?

Correct AnswerverifiedShow Answer

The portions of the large intestine include

Correct AnswerverifiedShow Answer

Constipation can be treated by adding fiber to the diet.

Correct AnswerverifiedShow Answer

Recent studies of an oyster-rich bay indicated a high coliform count.What should the fisheries'officers do?

Correct AnswerverifiedShow Answer

What greatly increases the capacity of the stomach?

Correct AnswerverifiedShow Answer

Which of the following is a digestive hormone that causes the gallbladder to release stored bile?

Correct AnswerverifiedShow Answer

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

The primary function of the stomach is to

Correct AnswerverifiedShow Answer

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The outermost layer is the serosa layer,...
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Correct Answer
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