Exam 23: Microbial Diseases of the Digestive System

Where in a tapeworm would you expect to find fertilized eggs?

Eating sashimi (uncooked fish) is a risk factor for infection with

Human infestation with Taenia saginata results from ingesting ________ in undercooked intermediate host.

Explain the role of the intestinal microbiota in the maintenance of health.

Porphyromonas gingivalis contributes to the development of

The viruses responsible for the majority of infant deaths resulting from diarrhea in the world are the

Plaque and tartar provide an environment for the growth of (Lactobacillus/Porphyromonas/Streptococcus) leading to periodontitis.

The intracellular parasite usually acquired in contaminated drinking water that causes a persistent watery diarrhea is

Jaundice is a frequent sign of inflammation of the (colon/liver/pancreas).

Infection with some Salmonella enterica serotypes can progress to typhoid fever when the bacteria

The (liver/pancreas/villus) is the accessory organ responsible for producing digestive enzymes active in the small intestine.

Which of the following statements is TRUE with regard to Entamoeba histolytica?

Which of the following is a fungus that commonly lives in the large intestine?

Where in the digestive tract does most of the absorption of nutrients take place?

Escherichia coli O157:H7 is primarily associated with which of the following foods?

A painful creeping ulcerating lesion on or near the lips is the result of infection with (corona/herpes/mumps) virus.

Invasive extraintestinal amebiasis is the most severe type of Entamoeba histolytica infection.

There are vaccines to prevent infectious hepatitis and serum hepatitis, but none to prevent chronic hepatitis. Discuss why this is so.

List and describe three virulence factors associated with bacteria that cause gastroenteritis.

Infection with (hepatitis/norovirus/rotavirus) is a common cause of viral gastroenteritis in adults.