Q. What is the main source of Listeria monocytogenes in food?
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A.
Raw meat
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B.
Unpasteurized dairy products
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C.
Fruits and vegetables
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D.
Seafood
Solution
Unpasteurized dairy products are a significant source of Listeria monocytogenes, which can cause serious illness.
Correct Answer:
B
— Unpasteurized dairy products
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Q. What is the primary bacterium responsible for foodborne illness associated with undercooked poultry?
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A.
Escherichia coli
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B.
Salmonella
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C.
Listeria monocytogenes
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D.
Clostridium perfringens
Solution
Salmonella is commonly found in undercooked poultry and is a leading cause of foodborne illness.
Correct Answer:
B
— Salmonella
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Q. What is the primary method to prevent foodborne illnesses caused by bacteria?
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A.
Cooking food thoroughly
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B.
Refrigerating food
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C.
Washing hands
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D.
Using preservatives
Solution
Cooking food thoroughly is the primary method to kill harmful bacteria and prevent foodborne illnesses.
Correct Answer:
A
— Cooking food thoroughly
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Q. What is the role of pasteurization in food safety?
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A.
Enhances flavor
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B.
Increases shelf life
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C.
Destroys harmful microorganisms
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D.
Improves nutritional value
Solution
Pasteurization is a heat treatment process that destroys harmful microorganisms in food and beverages.
Correct Answer:
C
— Destroys harmful microorganisms
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Q. What type of food is most commonly associated with Vibrio parahaemolyticus infections?
-
A.
Undercooked beef
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B.
Raw shellfish
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C.
Unpasteurized juice
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D.
Dairy products
Solution
Raw shellfish, particularly oysters, are commonly associated with Vibrio parahaemolyticus infections.
Correct Answer:
B
— Raw shellfish
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Q. Which bacterium is often linked to dairy products and can cause severe gastrointestinal illness?
-
A.
Streptococcus pneumoniae
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B.
Listeria monocytogenes
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C.
Clostridium botulinum
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D.
Salmonella
Solution
Listeria monocytogenes is often linked to dairy products and can cause severe illness, especially in vulnerable populations.
Correct Answer:
B
— Listeria monocytogenes
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Q. Which microorganism is known for causing botulism from improperly canned foods?
-
A.
Staphylococcus aureus
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B.
Clostridium botulinum
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C.
Bacillus cereus
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D.
Listeria monocytogenes
Solution
Clostridium botulinum produces a potent toxin that can lead to botulism when ingested from improperly canned foods.
Correct Answer:
B
— Clostridium botulinum
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Q. Which of the following is a common cause of food poisoning from rice?
-
A.
Salmonella
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B.
Bacillus cereus
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C.
E. coli
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D.
Campylobacter
Solution
Bacillus cereus can produce toxins in cooked rice that has been improperly stored, leading to food poisoning.
Correct Answer:
B
— Bacillus cereus
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Q. Which of the following is a common symptom of foodborne illness?
-
A.
Headache
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B.
Nausea and vomiting
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C.
Skin rash
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D.
Fatigue
Solution
Nausea and vomiting are common symptoms of foodborne illness caused by various pathogens.
Correct Answer:
B
— Nausea and vomiting
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