Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

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

Question 3

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 4

Constipation can be treated by adding fiber to the diet.

Accepted Answer

A) True 
 B)False

Question 5

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 6

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

Question 7

Muscles that encircle tubes and act as circular valves are called

Accepted Answer

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

Question 8

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. 
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 9

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

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

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. 
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 13

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

Question 14

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 15

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 16

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 
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 17

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. 
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 18

What greatly increases the capacity of the stomach?

Accepted Answer

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

Question 19

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. 
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 20

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

Exam 9: Digestive System and Nutrition

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

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

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

Constipation can be treated by adding fiber to the diet.

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

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

Muscles that encircle tubes and act as circular valves are called

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

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

Which of the following is not associated with the stomach?

Which of the enzyme-substrate pairings is not correct?

The portions of the large intestine include

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

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.

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

The process of mechanical digestion includes

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

What greatly increases the capacity of the stomach?

The primary function of the stomach is to

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

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