1.
What causes contaminated shellfish from water?
Correct Answer
B. Hepatitis A
Explanation
Contaminated shellfish can be caused by Hepatitis A. Hepatitis A is a highly contagious virus that can be transmitted through contaminated water or food, including shellfish. Consumption of shellfish contaminated with the virus can lead to hepatitis A infection, which can cause symptoms such as fever, fatigue, nausea, and jaundice. Therefore, Hepatitis A is a possible cause of contaminated shellfish from water.
2.
Which of these is a cause of contamination in hotdogs?
Correct Answer
C. Listeria
Explanation
Listeria is a cause of contamination in hotdogs. Listeria monocytogenes is a bacterium that can contaminate food, including hotdogs, and cause a serious infection called listeriosis. It can survive and even multiply in refrigerated temperatures, making it a concern for ready-to-eat foods like hotdogs. Consumption of contaminated hotdogs can lead to symptoms such as fever, muscle aches, nausea, and in severe cases, it can cause meningitis or blood infection, particularly in vulnerable populations such as pregnant women, newborns, and individuals with weakened immune systems. Therefore, it is important to handle and cook hotdogs properly to prevent listeria contamination.
3.
What causes food poisoning in water?
Correct Answer
A. Giardia Lamblia Â
Explanation
Giardia Lamblia is a parasite that can cause food poisoning when ingested through contaminated water. It is commonly found in untreated or poorly treated water sources, such as lakes, rivers, and streams. When consumed, the parasite can cause symptoms like diarrhea, abdominal pain, and nausea. Proper water treatment and hygiene practices are essential in preventing the spread of Giardia Lamblia and reducing the risk of food poisoning.
4.
What causes poisoning in egg yolks?
Correct Answer
D. Salmonella
Explanation
Salmonella is a type of bacteria that can cause food poisoning in egg yolks. When eggs become contaminated with Salmonella, either through contact with infected chickens or through improper handling and storage, the bacteria can multiply and cause illness when consumed. Symptoms of Salmonella poisoning include diarrhea, abdominal pain, fever, and vomiting. It is important to cook eggs thoroughly to kill any potential bacteria and to practice proper food safety measures to prevent contamination.
5.
What causes poisoning in beef contaminated in faeces?
Correct Answer
D. Escherichia
Explanation
Escherichia, also known as E. coli, is a bacteria commonly found in the intestines of animals, including cattle. When beef becomes contaminated with feces that contain E. coli, it can lead to food poisoning if the meat is not properly cooked or handled. E. coli can cause symptoms such as diarrhea, abdominal pain, and vomiting. Therefore, E. coli is the correct answer because it is a bacteria that can cause poisoning in beef contaminated with feces.
6.
What cause food poisoning in stew?
Correct Answer
C. Clostridium Perfringes
Explanation
Clostridium perfringens is a bacterium commonly found in the environment and in the intestines of humans and animals. It is one of the main causes of food poisoning, particularly in improperly cooked or reheated meat and poultry dishes. When food is not cooked or reheated to a high enough temperature, the bacteria can multiply and produce toxins that can cause illness. Symptoms of Clostridium perfringens food poisoning include abdominal pain, diarrhea, and nausea.
7.
What is a major cause of contamination in home canned foods?
Correct Answer
B. Clostridium Botulinum
Explanation
Clostridium Botulinum is a major cause of contamination in home canned foods. This bacterium produces a potent toxin called botulinum toxin, which can cause a severe illness called botulism. Clostridium Botulinum is commonly found in soil and water, and it can survive and grow in low-oxygen environments like canned foods. Improper canning techniques, such as not using enough heat or not properly sterilizing the equipment, can create an environment where Clostridium Botulinum can thrive and produce toxins. Consuming contaminated home canned foods can lead to botulism, which can cause paralysis and even be fatal.
8.
What causes contamination in meat and poultry?
Correct Answer
A. Campylobacter
Explanation
Campylobacter is a common cause of contamination in meat and poultry. It is a type of bacteria that can be found in the intestines of animals, including chickens and cows. Contamination can occur during the processing and handling of meat and poultry, especially if proper hygiene practices are not followed. Consuming contaminated meat or poultry can lead to foodborne illness, with symptoms including diarrhea, abdominal pain, and fever. Therefore, it is important to ensure that meat and poultry are cooked thoroughly and handled safely to prevent the spread of Campylobacter and other harmful bacteria.
9.
How many hours does it take for the symptoms to show from a food poisoning caused by staphylococcus?
Correct Answer
A. 6
Explanation
The correct answer is 6. Staphylococcus food poisoning symptoms typically appear within 1 to 6 hours after consuming contaminated food. This bacterium produces toxins that cause rapid onset of symptoms such as nausea, vomiting, stomach cramps, and diarrhea. Therefore, it takes approximately 6 hours for the symptoms to show from a food poisoning caused by staphylococcus.
10.
Which of these is not a symptoms of food poisoning?
Correct Answer
D. Eye Itching
Explanation
Eye itching is not a symptom of food poisoning. Food poisoning typically presents with symptoms such as abdominal cramps, bloody vomit, and bloody stool. Eye itching is more commonly associated with allergies or other eye-related conditions. Therefore, it is not directly related to food poisoning.