1.
What is the temperature range of the temperature danger zone?
Correct Answer
C. 41°F to 135°F (5°C to 57°C)
Explanation
The temperature danger zone refers to the range of temperatures in which bacteria can grow rapidly, increasing the risk of foodborne illness. Temperatures below 41°F (5°C) are too cold to support bacterial growth, while temperatures above 135°F (57°C) are too hot to allow bacteria to thrive. Therefore, the correct answer is 41°F to 135°F (5°C to 57°C) as this range represents the temperature danger zone.
2.
What should be used to dry hands after washing them?
Correct Answer
C. Single-use paper towel
Explanation
Single-use paper towels should be used to dry hands after washing them because they are more hygienic compared to other options. Cloth towels can harbor bacteria and may not be cleaned regularly, while a clean shirt or apron may not be readily available or may not be designed for drying hands. On the other hand, single-use paper towels are disposable, reducing the risk of spreading germs, and they provide a fresh and absorbent surface for drying hands effectively.
3.
Why are young children at a higher risk for foodborne illness?
Correct Answer
D. Their immune systems are not yet fully developed.
Explanation
Young children are at a higher risk for foodborne illness because their immune systems are not yet fully developed. The immune system plays a crucial role in fighting off harmful bacteria and viruses that can cause foodborne illnesses. In young children, their immune systems are still developing and may not be as effective in combating these pathogens. This makes them more susceptible to getting sick from contaminated food.
4.
What is the definition of sanitizing?
Correct Answer
A. Reducing the number of pathogens on a surface to safe levels.
Explanation
Sanitizing refers to the process of reducing the number of pathogens on a surface to safe levels. This means eliminating or killing harmful microorganisms such as bacteria, viruses, and fungi that can cause illness or infection. It is an important step in maintaining cleanliness and hygiene to prevent the spread of diseases. Sanitizing can be achieved through various methods such as using disinfectants, heat, or chemicals to effectively kill or remove the pathogens from the surface.
5.
When transporting food off-site, how should information such as use-by date and time be communicated to the off-site recipient?
Correct Answer
D. Labels on food
Explanation
When transporting food off-site, information such as use-by date and time should be communicated to the off-site recipient through labels on the food. This ensures that the information is clearly visible and easily accessible to the recipient. Verbal instructions, telephone, and email communication methods may be prone to miscommunication or being overlooked, whereas labels on food provide a direct and visual means of conveying important information about the food's expiration date and time.
6.
The three potential hazards to food are biological, physical, and:
Correct Answer
B. Chemical
Explanation
The three potential hazards to food are biological, physical, and chemical. Biological hazards refer to harmful bacteria, viruses, or parasites that can contaminate food and cause illness. Physical hazards include foreign objects such as glass, metal, or plastic that can accidentally enter food and pose a risk to consumers. Chemical hazards, on the other hand, are substances that can contaminate food and have toxic effects when consumed. These can include pesticides, cleaning agents, food additives, or naturally occurring toxins. It is important to identify and control these hazards to ensure the safety of food for consumption.
7.
What is one way that food should NEVER be thawed?
Correct Answer
D. At room temperature
Explanation
Thawing food at room temperature should never be done because it allows the food to stay in the temperature danger zone (40°F - 140°F) for an extended period of time. Bacteria can multiply rapidly in this temperature range, increasing the risk of foodborne illnesses. Thawing food in the refrigerator or using a microwave are safer methods as they keep the food at a controlled temperature. Thawing as part of the cooking process is also acceptable as long as the food is cooked immediately afterward.
8.
To work with food, a foodhandler with a hand wound must:
Correct Answer
A. Bandage the wound and wear a single-use glove.
Explanation
When working with food, a foodhandler with a hand wound should bandage the wound to prevent any potential contamination. Additionally, they should wear a single-use glove to further protect the food from any bacteria or pathogens that may be present in the wound. This combination of bandaging the wound and wearing a glove helps to ensure the safety and hygiene of the food being handled.
9.
Where is the only place a foodborne illness can reproduce?
Correct Answer
B. Person’s intestines
Explanation
Foodborne illnesses are caused by bacteria, viruses, or parasites that enter the body through contaminated food or water. Once inside the body, these pathogens can reproduce and cause illness. The intestines provide an ideal environment for the reproduction of foodborne pathogens due to their warm and moist conditions. Therefore, the only place where a foodborne illness can reproduce is in a person's intestines.
10.
If a food-contact surface has been soiled, what three actions must be performed before it can be used again?
Correct Answer
B. Washed, rinsed, sanitized
Explanation
When a food-contact surface has been soiled, it must be washed to remove any visible dirt or debris. After washing, it should be rinsed to remove any remaining soap or cleaning agents. Finally, the surface must be sanitized to kill any remaining bacteria or pathogens. These three actions, washing, rinsing, and sanitizing, ensure that the surface is clean and safe to be used again for food preparation.
11.
What is one factor that affects the growth of microorganisms in food?
Correct Answer
D. Acidity
Explanation
Acidity is a factor that affects the growth of microorganisms in food. Microorganisms have different pH requirements for growth, and most bacteria prefer a neutral pH. Acidity can create an environment that is unfavorable for the growth of microorganisms, as it can inhibit their metabolic processes and limit their ability to reproduce. Therefore, higher levels of acidity in food can help prevent the growth and spoilage of microorganisms, making it an important factor to consider in food preservation and safety.
12.
What is the key to limiting bacterial growth?
Correct Answer
A. Controlling time and temperature
Explanation
Controlling time and temperature is the key to limiting bacterial growth because bacteria thrive in certain temperature ranges and can multiply rapidly over time. By ensuring that food is cooked and stored at the correct temperatures and for the appropriate durations, the growth of bacteria can be slowed down or halted. This is a crucial aspect of food safety and preventing foodborne illnesses.
13.
Why should food NOT be stored in a galvanized container?
Correct Answer
D. Acids in the food can leach zinc into the food.
Explanation
Food should not be stored in a galvanized container because acids in the food can leach zinc into the food. Galvanized containers are made by coating steel or iron with a layer of zinc, which can react with acidic foods. This can lead to the transfer of zinc into the food, which can be harmful to consume. Zinc ingestion can cause nausea, vomiting, and other gastrointestinal issues. Therefore, it is important to avoid storing food in galvanized containers to prevent the risk of zinc contamination.
14.
Food should be cooled from 135°F (57°C) to 70°F (21°C) within _____ hours, and then from 70°F (21°C) to 41°F (5°C) within _____ hours.
Correct Answer
D. 4, 2
Explanation
Food should be cooled from 135°F (57°C) to 70°F (21°C) within 4 hours, and then from 70°F (21°C) to 41°F (5°C) within 2 hours. This is because bacteria can grow rapidly at temperatures between 70°F and 135°F, known as the "danger zone". Cooling food quickly helps prevent bacterial growth and reduces the risk of foodborne illnesses. The total cooling time should not exceed 6 hours to ensure food safety.
15.
As part of handwashing, foodhandlers must scrub their hands and arms for:
Correct Answer
B. 10 to 15 seconds
Explanation
Foodhandlers must scrub their hands and arms for 10 to 15 seconds as part of handwashing. This duration allows enough time to thoroughly clean the hands and remove any potential contaminants. Washing for less than 10 seconds may not effectively remove bacteria and other pathogens, while washing for more than 15 seconds may not provide any additional benefits in terms of cleanliness. Therefore, 10 to 15 seconds is the recommended duration for hand and arm scrubbing during handwashing.
16.
The risk of physical contamination can be reduced by:
Correct Answer
A. Washing hands before handling food.
Explanation
Washing hands before handling food reduces the risk of physical contamination because hands can carry bacteria and other pathogens that can be transferred to the food during handling. By washing hands, any potential contaminants on the hands are removed, preventing them from being transferred to the food and causing illness.
17.
The first step in cleaning and sanitizing items in a three-compartment sink is:
Correct Answer
D. Rinsing, scraping or soaking items.
Explanation
The first step in cleaning and sanitizing items in a three-compartment sink is to rinse, scrape, or soak the items. This step helps to remove any visible debris or food particles from the items before proceeding with the cleaning process. By rinsing, scraping, or soaking the items, any loose dirt or residue can be easily removed, making the subsequent washing and sanitizing steps more effective. Once the items have been properly rinsed, scraped, or soaked, they can then be washed in detergent and immersed in sanitizer to ensure thorough cleaning and sanitization.
18.
To prevent cross-contact:
Correct Answer
B. Clean and sanitize utensils before each use.
Explanation
Cleaning and sanitizing utensils before each use is important to prevent cross-contact. Cross-contact occurs when allergens or harmful bacteria from one food item are transferred to another, potentially causing illness or allergic reactions. By cleaning and sanitizing utensils, any residues or contaminants from previous uses are removed, reducing the risk of cross-contact. This practice is especially crucial in food preparation areas to ensure the safety and quality of the food being served.
19.
When taking the orders of customers with food allergies, a food producer should:
Correct Answer
A. Fully describe each menu item to customers who ask, including any “secret” ingredients.
Explanation
When taking the orders of customers with food allergies, a food producer should fully describe each menu item to customers who ask, including any "secret" ingredients. This is the most appropriate action to take as it ensures that customers are fully informed about the ingredients in the menu items, allowing them to make an informed decision based on their allergies. By providing this information, the food producer can help prevent any potential allergic reactions and ensure the safety of their customers.
20.
Previously prepared food which is being reheated in a microwave must be heated to over:
Correct Answer
D. 165°F
Explanation
Food that has been previously prepared and is being reheated in a microwave must be heated to a temperature of 165°F. This high temperature is necessary to ensure that any harmful bacteria or pathogens present in the food are killed, reducing the risk of foodborne illnesses. Reheating the food to this temperature helps to ensure its safety for consumption.