Question 1

Where is the largest proportion of bacteria found?

Accepted Answer

A)  Stomach 
B)  Small intestine 
C)  Large intestine 
D)  Pancreas C

Question 2

What is an emergency complication of inflammatory bowel disease (IBD)?

Accepted Answer

A)  Stomachache 
B)  Diarrhea 
C)  Fever 
D)  Toxic megacolon D

Question 3

Which disease presents as a continuous inflammation that starts in the rectum and spreads to the colon?

Accepted Answer

A)  Celiac disease 
B)  Crohn's disease 
C)  Irritable bowel syndrome 
D)  Ulcerative colitis D

Question 4

In the ____ phase of gastric secretion, the duodenum responds to the production of chyme by stimulating the release of gastrin in the intestines.

Accepted Answer

A)  Lamina propria 
B)  Intestinal 
C)  Cephalic 
D)  Gastric

Question 5

What percentage of water is absorbed in the small intestine?

Accepted Answer

A)  70%-80% 
B)  85%-95% 
C)  85%-90% 
D)  80%-90%

Question 6

Which layer of the GI tract lubricates and protects the intestines by producing mucus?

Accepted Answer

A)  Muscle layer 
B)  Middle layer 
C)  Inner layer 
D)  Outer layer

Question 7

What other conditions are excluded with the diagnosis of irritable bowel syndrome (IBS)? Select all that apply.

Accepted Answer

A)  Celiac disease 
B)  Gluten intolerance 
C)  Food allergies 
D)  High blood pressure

Question 8

The walls of the GI tract consist of how many layers?

Accepted Answer

A)  2 
B)  5 
C)  3 
D)  4

Question 9

What is GI motility stimulated by?

Accepted Answer

A)  Hypothalamus 
B)  Sympathetic nerves 
C)  Chyme 
D)  Parasympathetic nerves

Question 10

Which is not a risk factor of IBD?

Accepted Answer

A)  Gender 
B)  Ethnicity 
C)  Family history 
D)  Education level

Question 11

What is the initial phase of gastric secretion called?

Accepted Answer

A)  Lamina propria 
B)  Intestinal 
C)  Cephalic 
D)  Gastric

Question 12

Irritable bowel syndrome (IBS) is defined as:

Accepted Answer

A)  Low blood pressure 
B)  Dysfunction of intestinal 
C)  Dysfunction of intestinal motility 
D)  High blood pressure

Question 13

Which disease is defined as patches of inflamed intestinal walls?

Accepted Answer

A)  Celiac disease 
B)  Irritable bowel syndrome 
C)  Hypertension 
D)  Crohn's disease

Question 14

Which layer of the GI tract covers the entire intestine?

Accepted Answer

A)  Muscle layer 
B)  Middle layer 
C)  Inner layer 
D)  Outer layer

Question 15

Which layer of the GI tract produces immunoglobulins by its plasma cells and lymphocytes?

Accepted Answer

A)  Lamina propia 
B)  Submucosal 
C)  Circular 
D)  Peritoneum

Exam 4: IBS and IBD

Where is the largest proportion of bacteria found?