Question 1

A deficiency in which mineral leads to thyroid deficiency?

Accepted Answer

A)  iodine 
B)  copper 
C)  zinc 
D)  selenium 
E)  manganese 
A)  iodine 
B)  copper 
C)  zinc 
D)  selenium 
E)  manganese A

Question 2

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. B

Question 3

The small intestine is longer than the large intestine.

Accepted Answer

A) True 
 B)False  True

Question 4

About 90% of people suffering from anorexia nervosa are

Accepted Answer

A)  young men. 
B)  older women. 
C)  young women. 
D)  older men. 
E)  senior citizens. 
A)  young men. 
B)  older women. 
C)  young women. 
D)  older men. 
E)  senior citizens.

Question 5

Constipation can be treated by adding fiber to the diet.

Accepted Answer

A) True 
 B)False

Question 6

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 7

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

Accepted Answer

A) True 
 B)False

Question 8

Smooth muscles in the stomach are capable of mechanical digestion.

Accepted Answer

A) True 
 B)False

Question 9

A diet rich in which vitamins may reduce the risk of free radicals that can cause health problems?

Accepted Answer

A)  C and B12 
B)  C, E, and A 
C)  D and C 
D)  D, C, and E 
E)  B12, C, and E 
A)  C and B12 
B)  C, E, and A 
C)  D and C 
D)  D, C, and E 
E)  B12, C, and E

Question 10

The fleshy extension of the soft palate is known as the

Accepted Answer

A)  epiglottis. 
B)  uvula. 
C)  pharynx. 
D)  adenoid. 
E)  cecum. 
A)  epiglottis. 
B)  uvula. 
C)  pharynx. 
D)  adenoid. 
E)  cecum.

Question 11

What serves as an emulsifying agent for fats in the small intestine?

Accepted Answer

A)  lipase 
B)  bile 
C)  amylase 
D)  pepsin 
E)  maltase 
A)  lipase 
B)  bile 
C)  amylase 
D)  pepsin 
E)  maltase

Question 12

What is the relationship between Crohn's disease and inflammatory bowel disease?

Accepted Answer

A)  Crohn's disease is one of the most common inflammatory bowel diseases. 
B)  Inflammatory bowel disease is a type of Crohn's disease. 
C)  They are two separate diseases, but both affect only the colon. 
D)  Crohn's disease affects the colon, but inflammatory bowel disease affects the small intestine. 
E)  In Crohn's disease, small pouches form in the muscularis, while in inflammatory bowel disease, inflammation occurs throughout the digestive tract. 
A)  Crohn's disease is one of the most common inflammatory bowel diseases. 
B)  Inflammatory bowel disease is a type of Crohn's disease. 
C)  They are two separate diseases, but both affect only the colon. 
D)  Crohn's disease affects the colon, but inflammatory bowel disease affects the small intestine. 
E)  In Crohn's disease, small pouches form in the muscularis, while in inflammatory bowel disease, inflammation occurs throughout the digestive tract.

Question 13

The small lymphatic capillaries that reside in the small intestine and absorb fats are known as

Accepted Answer

A)  mesenteries. 
B)  lacteals. 
C)  gastric glands. 
D)  duodenal pits. 
E)  microvilli. 
A)  mesenteries. 
B)  lacteals. 
C)  gastric glands. 
D)  duodenal pits. 
E)  microvilli.

Question 14

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 15

Dental caries are caused by

Accepted Answer

A)  bacteria within the mouth metabolizing fatty acids. 
B)  yeast within the mouth metabolizing fatty acids. 
C)  bacteria within the mouth metabolizing proteins. 
D)  bacteria within the mouth metabolizing sugar. 
E)  enzymes within the mouth metabolizing sugar. 
A)  bacteria within the mouth metabolizing fatty acids. 
B)  yeast within the mouth metabolizing fatty acids. 
C)  bacteria within the mouth metabolizing proteins. 
D)  bacteria within the mouth metabolizing sugar. 
E)  enzymes within the mouth metabolizing sugar.

Question 16

What is the major function of the colon?

Accepted Answer

A)  to digest/absorb 
B)  to form feces 
C)  to churn food 
D)  to serve as a passageway only 
E)  to eliminate iron 
A)  to digest/absorb 
B)  to form feces 
C)  to churn food 
D)  to serve as a passageway only 
E)  to eliminate iron

Question 17

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 18

Which of the following is not produced by the pancreas?

Accepted Answer

A)  bile 
B)  sodium bicarbonate 
C)  amylase 
D)  trypsin 
E)  lipase 
A)  bile 
B)  sodium bicarbonate 
C)  amylase 
D)  trypsin 
E)  lipase

Question 19

The secretions of digestive juices are controlled by the nervous system, as well as by digestive hormones.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is not considered an accessory organ of the digestive system?

Accepted Answer

A)  liver 
B)  salivary glands 
C)  small intestine 
D)  pancreas 
E)  gallbladder 
A)  liver 
B)  salivary glands 
C)  small intestine 
D)  pancreas 
E)  gallbladder

Exam 9: Digestive System and Nutrition

A deficiency in which mineral leads to thyroid deficiency?

The primary function of the stomach is to

The small intestine is longer than the large intestine.

About 90% of people suffering from anorexia nervosa are

Constipation can be treated by adding fiber to the diet.

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

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

Smooth muscles in the stomach are capable of mechanical digestion.

A diet rich in which vitamins may reduce the risk of free radicals that can cause health problems?

The fleshy extension of the soft palate is known as the

What serves as an emulsifying agent for fats in the small intestine?

What is the relationship between Crohn's disease and inflammatory bowel disease?

The small lymphatic capillaries that reside in the small intestine and absorb fats are known as

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

Dental caries are caused by

What is the major function of the colon?

The portions of the large intestine include

Which of the following is not produced by the pancreas?

The secretions of digestive juices are controlled by the nervous system, as well as by digestive hormones.

Which of the following is not considered an accessory organ of the digestive system?

Human Organization

Chemistery of Life

Cell Structure and Function

Torganization and Regulation of Body Systems

Cardiovascular System : Heart and Blood Vessels

Cardiovascular System : Blood

The Lumphatic and Immune Systems

Biology of Infectious Diseases

Respiratory System

Urinary System

Skeletal System

Muscular System

Nervous System

Senses

Endocring System

Reproductive System

Development and Aging

Patterns of Chromosome Inheritance

Cancer

Patterns of Genetic Inheritance

Dna Piology and Technology

Hummen Evolution

Ecology and the Nature of Ecosystems

Hummen Interactions With the Biosphere

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