Gastrointestinal Infections

Description: Gastrointestinal Infections Quiz
Number of Questions: 15
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Tags: gastrointestinal infections infectious diseases health
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What is the most common cause of infectious diarrhea worldwide?

  1. Rotavirus

  2. Shigella

  3. Escherichia coli

  4. Salmonella


Correct Option: A
Explanation:

Rotavirus is the most common cause of infectious diarrhea worldwide, particularly in young children.

Which of the following is a bacterial cause of gastroenteritis?

  1. Norovirus

  2. Clostridium difficile

  3. Giardia lamblia

  4. Cryptosporidium parvum


Correct Option: B
Explanation:

Clostridium difficile is a bacterial cause of gastroenteritis, often associated with antibiotic use.

What is the primary mode of transmission for Shigella?

  1. Fecal-oral route

  2. Waterborne transmission

  3. Foodborne transmission

  4. Vector-borne transmission


Correct Option: A
Explanation:

Shigella is primarily transmitted through the fecal-oral route, often due to poor sanitation and hygiene practices.

Which of the following is a protozoan cause of gastroenteritis?

  1. Vibrio cholerae

  2. Entamoeba histolytica

  3. Campylobacter jejuni

  4. Yersinia enterocolitica


Correct Option: B
Explanation:

Entamoeba histolytica is a protozoan cause of gastroenteritis, commonly known as amoebiasis.

What is the primary reservoir for Salmonella?

  1. Humans

  2. Animals (e.g., poultry, cattle)

  3. Water

  4. Soil


Correct Option: B
Explanation:

Salmonella primarily resides in animals, particularly poultry and cattle, and can be transmitted to humans through contaminated food products.

Which of the following is a viral cause of gastroenteritis?

  1. Escherichia coli

  2. Norovirus

  3. Shigella

  4. Clostridium difficile


Correct Option: B
Explanation:

Norovirus is a common viral cause of gastroenteritis, often associated with outbreaks in healthcare facilities and cruise ships.

What is the primary mode of transmission for Giardia lamblia?

  1. Fecal-oral route

  2. Waterborne transmission

  3. Foodborne transmission

  4. Vector-borne transmission


Correct Option: B
Explanation:

Giardia lamblia is primarily transmitted through waterborne transmission, often due to contaminated drinking water or recreational water sources.

Which of the following is a bacterial cause of food poisoning?

  1. Staphylococcus aureus

  2. Salmonella

  3. Clostridium botulinum

  4. Vibrio cholerae


Correct Option: A
Explanation:

Staphylococcus aureus is a common cause of food poisoning, often associated with improperly handled or stored food.

What is the primary mode of transmission for Cryptosporidium parvum?

  1. Fecal-oral route

  2. Waterborne transmission

  3. Foodborne transmission

  4. Vector-borne transmission


Correct Option: B
Explanation:

Cryptosporidium parvum is primarily transmitted through waterborne transmission, often due to contaminated drinking water or recreational water sources.

Which of the following is a bacterial cause of traveler's diarrhea?

  1. Escherichia coli

  2. Shigella

  3. Salmonella

  4. Campylobacter jejuni


Correct Option: A
Explanation:

Escherichia coli, particularly certain strains like enterotoxigenic E. coli (ETEC), is a common cause of traveler's diarrhea.

What is the primary mode of transmission for Vibrio cholerae?

  1. Fecal-oral route

  2. Waterborne transmission

  3. Foodborne transmission

  4. Vector-borne transmission


Correct Option: B
Explanation:

Vibrio cholerae is primarily transmitted through waterborne transmission, often due to contaminated drinking water or recreational water sources.

Which of the following is a viral cause of food poisoning?

  1. Hepatitis A virus

  2. Norovirus

  3. Rotavirus

  4. Poliovirus


Correct Option: A
Explanation:

Hepatitis A virus is a common cause of food poisoning, often associated with contaminated food or water.

What is the primary mode of transmission for Yersinia enterocolitica?

  1. Fecal-oral route

  2. Waterborne transmission

  3. Foodborne transmission

  4. Vector-borne transmission


Correct Option: C
Explanation:

Yersinia enterocolitica is primarily transmitted through foodborne transmission, often associated with contaminated meat or dairy products.

Which of the following is a protozoan cause of food poisoning?

  1. Toxoplasma gondii

  2. Entamoeba histolytica

  3. Giardia lamblia

  4. Cryptosporidium parvum


Correct Option: B
Explanation:

Entamoeba histolytica can cause food poisoning, particularly when contaminated food or water is consumed.

What is the primary mode of transmission for Campylobacter jejuni?

  1. Fecal-oral route

  2. Waterborne transmission

  3. Foodborne transmission

  4. Vector-borne transmission


Correct Option: C
Explanation:

Campylobacter jejuni is primarily transmitted through foodborne transmission, often associated with contaminated poultry or unpasteurized milk.

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