30 Questions
Which of the following is a characteristic of exudative diarrhea?
Purulent, bloody stools that continue during fasting
Which condition is commonly associated with chronic gastritis?
Anemia
What is the most common cause of chronic gastritis?
H. pylori infection
Which blood type is most commonly associated with peptic ulcer disease?
Blood type O
Which age group is most commonly affected by duodenal ulcers?
20-40 years
Which gender is Crohn disease more common in?
Females
Which part of the gastrointestinal tract is responsible for mechanical and chemical digestion?
Stomach
What is the primary function of the small intestine?
Regulated absorption of nutrients
Which region of the gastrointestinal tract is involved in the propulsion of waste?
Large intestine
What are the major functions of the gastrointestinal system?
All of the above
Which part of the gastrointestinal tract is responsible for the regulated secretion of hormones, enzymes, lubricants, and water?
Duodenum
What is the function of the microbiome in the gastrointestinal tract?
Microbiome functions
Which of the following is NOT a function of the stomach?
Neutralizing the chyme
What is the primary function of the large intestine?
Control of fluidity of feces
Which of the following is NOT a category of diarrheal disease?
Inflammatory diarrhea
What is the estimated number of children under 5 years of age who die annually due to diarrheal diseases worldwide?
1.5 to 2 million
Which of the following is NOT a factor that can change the composition of the gastrointestinal microbiome?
Exercise
What is the term for the aggregate of all microbiota residing on or within tissues?
Microbiome
Which of the following is NOT a sphincter in the gastrointestinal (GI) tract?
Ileocecal valve/sphincter
Which layer of the GI tract contains the myenteric (Auerbach’s) nerve plexus?
Longitudinal muscle
Which nervous system controls the enteric nervous system (ENS)?
Extrinsic Control
Which pair of salivary glands are responsible for producing saliva?
Submandibular and parotid
What is the function of HCl in the stomach?
Provides optimal pH for pepsin
What stimulates the production of HCl and pepsinogen in the stomach?
Gastrin
Which disease is characterized by full thickness inflammation, 'skip' lesions, and luminal narrowing on X-ray?
Crohn's Disease
Which disease involves primarily the rectum and only affects the mucosa?
Ulcerative Colitis
Which disease is associated with a strong correlation to diet and frequently arises from benign adenoma precursors?
Colon Cancer
Which disease has a peak incidence in the 10-12 year age group and is characterized by diffuse pain that becomes localized, with rebound tenderness and guarding?
Appendicitis
Which disease is characterized by episodes of pain, diarrhea, fever, and can lead to 'short bowel syndrome' due to multiple surgeries?
Crohn's Disease
Which disease has a poor prognosis for stage II, with metastasis usually present at diagnosis and a 5-year survival rate of 60%?
Oral Squamous Cancer
Test your knowledge on the mechanics of digestion and the stomach's role in the process. Learn about gastric erosion, the gastric mucosal barrier, stomach muscles, peristaltic contractions, and the potential effects of excessive loss of gastric fluids.
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