Pharmacy Chapter 25: Microbial Diseases of the Digestive System Quiz

Play an AI-generated podcast conversation about this lesson

What is the main way that diseases of the digestive system are transmitted?

Fecal-oral transmission (correct)

Vector-borne transmission

Airborne transmission

Droplet transmission

How many bacterial species are typically found in the mouth?

500

700 (correct)

1000

100

What is the main function of the bacteria in the large intestine?

To cause disease

To produce carcinogens

To chemically alter medications

To degrade food and synthesize vitamins (correct)

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

Esophagus Signup and view all the answers

What is the typical percentage of fecal mass that is made up of microbial cells?

40% Signup and view all the answers

Which of the following is not a function of the bacteria in the large intestine?

Causing disease Signup and view all the answers

What is the primary reason why the large intestine houses enormous microbial populations?

Presence of specialized Paneth cells Signup and view all the answers

Which bacterium is the most important in causing dental caries?

Streptococcus mutans Signup and view all the answers

What is the role of Paneth cells in the small intestine?

Phagocytizing bacteria and producing antibacterial proteins Signup and view all the answers

What is the significance of dextran in the formation of dental plaque?

It is a gummy polysaccharide that contributes to plaque formation Signup and view all the answers

In which part of the gastrointestinal system are dental caries most likely to occur?

Mouth Signup and view all the answers

What is the primary cause of periodontal disease?

Inflammation and degeneration of tooth-supporting structures Signup and view all the answers

What is the most common cause of viral gastroenteritis, especially in children?

Rotavirus Signup and view all the answers

How do viruses reach the salivary glands after multiplying in the respiratory tract and local lymph nodes?

Through the blood Signup and view all the answers

Which fungus causes ergot poisoning after ingesting contaminated grains?

Claviceps purpurea Signup and view all the answers

What can cause acute hepatitis that is clinically identical to viral hepatitis?

Drug and chemical toxicity Signup and view all the answers

Which virus is often administered as part of the trivalent measles, mumps, rubella (MMR) vaccine?

Hepatitis Signup and view all the answers

What are mycotoxins produced by fungi that can cause various health issues like liver damage and cancer?

Mycotoxins Signup and view all the answers

What is the main role of the bacteria in the large intestine?

Synthesizing vitamins and minerals Signup and view all the answers

Where do Paneth cells primarily function?

Small intestine Signup and view all the answers

What is the primary transmission route for diseases of the digestive system?

Food and water Signup and view all the answers

Which part of the gastrointestinal system houses the fewest resident microbes?

Stomach Signup and view all the answers

What is the approximate percentage of fecal mass made up of microbial cells?

40% Signup and view all the answers

Which accessory structure is NOT part of the digestive system?

Lungs Signup and view all the answers

Which organ in the digestive system houses the least amount of microorganisms?

Small intestine Signup and view all the answers

What important antimicrobial defenses are found in the small intestine?

Granule-filled cells Signup and view all the answers

Which bacterium is most important in causing dental caries or tooth decay?

Streptococcus mutans Signup and view all the answers

What is the main component synthesized by Streptococcus mutans that aids in dental plaque formation?

Dextran Signup and view all the answers

Which part of the gastrointestinal system experiences inflammation and degeneration in Periodontal Disease?

Structures supporting the teeth Signup and view all the answers

What is the primary reason for the large microbial populations in the large intestine?

Normal flora sterilization Signup and view all the answers

Which of the following viruses can cause inflammation of the liver (hepatitis)?

Epstein-Barr virus (EBV) Signup and view all the answers

What is the function of the attenuated live vaccine mentioned in the text?

To prevent measles Signup and view all the answers

Which toxin is produced by the fungus Aspergillus flavus and can cause various health issues?

Aflatoxin Signup and view all the answers