32 Questions
Which gastrointestinal infection is often associated with blood and pus in the faeces, along with symptoms of pain, fever, and abdominal cramps?
Dysentery
Which structure represents a hollow digestive tube that extends from the mouth to the anus?
Gastrointestinal (GI) tract
Which infection is characterized by inflammation involving the mucosa of both the small and large intestine?
Enterocolitis
What is the microbial cause of foodborne infections?
Salmonella
Which infection is often diagnosed using serologic tests?
Hepatitis
Which medical condition involves an inflammatory disorder of the gastrointestinal tract and is usually associated with disease of the large intestine?
Dysentery
What is the function of saliva in the digestive system?
To aid in the digestion of starch with salivary amylase
Which organ is responsible for the production of bile and the breakdown, excretion, or storage of toxins including bilirubin?
Liver
What is the main function of the pancreas in the digestive system?
To release digestive enzymes and a bicarbonate buffer
What is the role of bacteria in the gastrointestinal tract?
To establish a normal flora in each part of the tube
Which part of the gastrointestinal tract is heavily colonized with bacteria?
Colon
What does dental caries involve?
Dissolution of solid tooth surface due to metabolic action of bacteria
What is the most common infectious disease of human beings?
Dental caries (tooth decay)
What is the main role of saliva in the digestive system?
To lubricate food for swallowing and aid in digestion of starch with salivary amylase
What is the function of bile in the digestive system?
To emulsify fat, making it more accessible to digestive enzymes
What is a major function of pancreatic juice in the digestive system?
To release digestive enzymes responsible for food digestion
Which pathogen is commonly associated with infections of the oral cavity and esophagus?
Candida albicans
Which test is commonly used for the laboratory diagnosis of H. pylori infection?
Urea breath test
Which infection is characterized by inflammation involving the mucosa of both the small and large intestine?
Enterocolitis
Which virus is commonly associated with causing infectious hepatitis?
Epstein-Barr virus (EBV)
What is the most common method used for the laboratory diagnosis of foodborne infections?
Stool culture
Which infection is often diagnosed using serologic tests for detecting specific antibodies?
Hepatitis A
What is the primary function of the liver in the digestive system?
Breaking down and excreting toxins, including bilirubin
Which organ is responsible for releasing pancreatic juice into the small intestine?
Pancreas
What is the main function of bile in the digestive system?
Aiding in fat digestion and neutralizing harmful substances in the blood
What is the most common infectious disease of human beings?
Dental Caries (Tooth Decay)
Which part of the gastrointestinal tract is heavily colonized with bacteria?
Colon
What is the primary role of saliva in the digestive system?
Lubricating food for swallowing and digestion of starch
What does dental caries involve?
Dissolution of solid tooth surface due to bacterial metabolic action
What is a major function of pancreatic juice in the digestive system?
Digesting food through the action of digestive enzymes
What is the role of bacteria in the gastrointestinal tract?
Colonizing different parts of the gastrointestinal tract and aiding in various physiological processes
What is a primary function of bilehemoglobin in the digestive system?
Emulsifying fat to aid in fat digestion
Test your knowledge on the microbial causes of gastrointestinal infections, including those affecting the oral cavity, esophagus, stomach, small intestine, and large intestine. Explore topics such as microbial infections of the liver, laboratory diagnosis of H. pylori, Widal test, stool culture, and serologic tests for hepatitis. This quiz covers basic science lab techniques, anatomy, histology, and embryology related to the gastrointestinal system.
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