BIOL 220 Infectious Diseases: Food & Waterborne Diseases Exam II

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What is the primary characteristic of Staphylococcus aureus that causes Staphylococcal Food Intoxication?

It is an obligate anaerobe that produces endospores

It produces a heat-labile neurotoxin

It produces a heat-stable enterotoxin (Type I exotoxin) (correct)

It is a gram-negative bacterium found on human skin

Which disease is caused by the bacterium Clostridium botulinum and its characteristic toxin?

Salmonellosis

Botulism (correct)

Shigellosis

Hemorrhagic Colitis

Which disease is characterized by bloody diarrhea and is associated with the use of antibiotics or antiprotozoal drugs?

Typhoid Fever

Salmonellosis

Bacterial Gastroenteritis

Clostridium difficile-Associated Diarrhea (correct)

Which disease is caused by a serovar (strain) of Salmonella that multiplies within phagocytes and has a long incubation period of weeks?

Typhoid Fever Signup and view all the answers

Which disease is caused by a bacterium that produces Shiga toxin and can lead to Hemolytic Uremic Syndrome (HUS)?

Hemorrhagic Colitis Signup and view all the answers

Which disease is often referred to as 'Traveler's diarrhea' and is caused by a motile, coliform bacterium that produces an enterotoxin?

Bacterial Gastroenteritis Signup and view all the answers

Which disease is caused by a bacterium that possesses fimbriae and multiplies within the epithelial cells of the gastrointestinal tract?

Shigellosis Signup and view all the answers

Which disease is characterized by a low percentage (1-3%) of chronic carriers and is transmitted through fecal-oral contamination of water or food?

Typhoid Fever Signup and view all the answers

Which of the following is a characteristic of the cholera bacterium, Vibrio cholerae?

It has a single polar flagellum Signup and view all the answers

What is the primary route of transmission for hepatitis A virus (HAV)?

Fecal-oral route Signup and view all the answers

Which of the following viruses is known to cause poliomyelitis, a disease characterized by limb paralysis?

Poliovirus Signup and view all the answers

Which of the following is a characteristic of the protist Giardia intestinalis, the causative agent of giardiasis?

It has flagella for motility Signup and view all the answers

Which of the following statements about prion diseases is correct?

They affect the nervous system Signup and view all the answers

Which of the following is the adult stage of the beef tapeworm infection?

Taeniasis Signup and view all the answers

Which of the following diseases is caused by an amoeba?

Amoebiasis Signup and view all the answers

Which of the following viruses primarily affects children and has a seasonal prevalence in winter months?

Rotavirus Signup and view all the answers

Which of the following statements about brucellosis (undulant fever) is correct?

It is caused by Brucella abortus Signup and view all the answers