Digestive System Infections - Microbiology Review

A collection of question and answer flashcards to help review key concepts from Chapter 24 on Digestive System Infections.

What is the causative agent of Herpetic Gingivostomatitis?

HSV-1 (Herpes Simplex Virus type 1)

Which bacteria is primarily responsible for Dental Caries?

Streptococcus mutans

What are common symptoms of Gastroenteritis?

Nausea, vomiting, and diarrhea.

How is Mumps primarily transmitted?

Through respiratory droplets and contact with saliva.

Which E. coli strain is associated with traveler's diarrhea?

Enterotoxigenic E. coli (ETEC).

What defines Enterohemorrhagic E. coli (EHEC)?

It is the most dangerous E. coli infection, particularly strain O157:H7, causing hemolytic uremic syndrome.

What is the treatment for infections caused by Clostridium difficile?

Supportive therapy, possible withdrawal of antibiotics, Metronidazole, or Vancomycin.

What are some major virulence factors of Helicobacter pylori responsible for peptic ulcers?

Survival factors that enable it to live in the acidic environment of the stomach.

What are common symptoms of hepatitis?

Malaise, dark urine, jaundice, and upper right quadrant pain.

Which protozoan causes Giardiasis?

Giardia lamblia.

What type of food borne illness is caused by Staphylococcus aureus?

Staphylococcal food poisoning.

What diagnosis method is used for Shigellosis?

Stool samples, immunoassays.

What can poorly managed Ascariasis lead to?

Potential intestinal obstruction or malnutrition.

How is Hookworm infection primarily contracted?

Through soil contamination.

What treatment is used for Tapeworm infections?

Praziquantel or Niclosamide.

What dietary practice can help prevent Norovirus infection?

Proper food handling and hygiene.

What are the characteristic signs of Periodontal Disease?

Chronic inflammation and erosion of gums.

What is often required to diagnose Thrush caused by Candida albicans?

Microscopic examination revealing white patches.

Which diagnostic test is primarily used for Typhoid Fever caused by Salmonella typhi?

Clinical examination and culture.

What is the common treatment approach for Enterobiasis?

Mebendazole or Albendazole.