22 Preparation, Cooking & Cooling Practice Questions & Answers

1. 1. A kitchen has one prep table and no room for a second. On the same shift, cooks must bread raw chicken and slice tomatoes for salads. What should the person in charge build into the prep schedule?

   • A.Prep both at the same time on opposite ends of the table, using separate cutting boards
   • B.Prep the chicken first, then the tomatoes, wiping the table with a damp cloth in between
   • C.Prep the tomatoes first, then the chicken, cleaning and sanitizing the table in between✓ Answer
   • D.Prep the chicken first, then the tomatoes, changing the cutting board but not the table

   When an operation cannot separate raw animal food from ready-to-eat food in space, the FDA Food Code allows separation in time: schedule the ready-to-eat work first, then the raw work, and clean and sanitize the shared surface and equipment in between. A damp wipe removes visible soil but does not reduce pathogens, and working simultaneously at opposite ends still allows splash and hand-carried transfer.

   Source: FDA Food Code — separation of raw animal food from ready-to-eat food during preparation, by separate equipment or by preparing at different timesReport a problem with this question

2. 2. During a self-inspection, a manager finds crates of unwashed lettuce on the same rack as pans of sliced deli meat, and sees a cook rinsing that lettuce in the hand sink. Which correction addresses both problems?

   • A.Wash the lettuce at the hand sink first, then store it on the shelf above the deli meat
   • B.Move the lettuce away from the deli meat and wash it in the designated prep sink✓ Answer
   • C.Move the deli meat to a lower shelf and have the cook rinse the lettuce at the mop sink
   • D.Cover the deli meat pans and let the cook continue rinsing the lettuce at the hand sink

   Unwashed fruits and vegetables carry soil and field pathogens and must be kept separate from ready-to-eat food, and produce washing belongs in a sink designated for food preparation. A hand sink is reserved for handwashing only, and a mop sink is a waste-water fixture, so neither may be used to wash produce.

   Source: FDA Food Code — separation of unwashed produce from ready-to-eat food, and use of a food preparation sink for washing fruits and vegetablesReport a problem with this question

3. 3. A manager writes a prep procedure letting cooks remove only enough chilled chicken salad from the walk-in to cover one hour of service, returning the container immediately. What is the food-safety rationale for that rule?

   • A.It limits the total time the food spends in the temperature danger zone✓ Answer
   • B.It removes the need to check the product's temperature during service
   • C.It lowers the food's pH so that the bacteria present cannot multiply
   • D.It destroys pathogens that survived the original cooking step

   Bacterial growth in a time/temperature control for safety food is cumulative across every interval the food spends in the danger zone, so prepping and issuing in small batches keeps each exposure short. Handling small amounts changes neither the food's acidity nor the pathogen load already present, and temperature monitoring is still required.

   Source: FDA Food Code — limiting the time that time/temperature control for safety food is held in the temperature danger zone during preparationReport a problem with this question

4. 4. A cook needs frozen ground beef ready for tomorrow's lunch and asks which thawing setup the manager can approve. Which one is acceptable?

   • A.In a sink of standing warm water changed each time it cools
   • B.In the microwave, then returned to the walk-in until lunch service
   • C.On a sheet pan at room temperature in the air-conditioned prep area
   • D.In the walk-in overnight in a pan on the lowest shelf✓ Answer

   Refrigeration thawing is safe because every part of the food, including the surface that thaws first, stays at cold-holding temperature the whole time, and the lowest shelf keeps drip off other food. Warm standing water and room air both let the outer layers warm into the danger zone, and microwave-thawed food may not be returned to storage because it must go immediately into conventional cooking.

   Source: FDA Food Code — approved thawing methods for time/temperature control for safety foodReport a problem with this question

5. 5. An operation thaws frozen fish fillets fully submerged under running water. Why does the FDA Food Code call for running water rather than a filled sink of standing water?

   • A.The flow rinses away sanitizer residue left in the sink from the previous task
   • B.The flow carries heat away steadily and floats loose food particles off the product✓ Answer
   • C.The flow adds oxygen to the water, which suppresses the bacteria on the surface
   • D.The flow warms the product's surface faster so the center thaws in less time

   Standing water quickly warms around the food and stops removing heat, while moving water at a controlled temperature keeps carrying heat away and has enough velocity to agitate the food and float off loosened particles. The purpose is not to warm the product, and moving water neither sanitizes the fish nor controls bacteria by adding oxygen.

   Source: FDA Food Code — thawing completely submerged under running potable water of sufficient velocity to agitate and float off loose particlesReport a problem with this question

6. 6. A cook thaws chicken breasts in the microwave and leaves them on the prep counter while waiting for a grill station to open up. What is wrong with this practice?

   • A.Microwave thawing may be used only for ready-to-eat foods and never for raw poultry
   • B.Microwave thawing must be followed by a covered standing period before cooking
   • C.Microwave-thawed food must go straight into conventional cooking without a pause✓ Answer
   • D.Microwave-thawed food must be returned to refrigeration before it is cooked

   Microwave thawing heats unevenly and leaves warm spots already in the danger zone, so the FDA Food Code permits it only when the food is transferred to conventional cooking equipment with no interruption in the process. Parking the product on a counter turns an approved thaw into unmonitored danger-zone holding.

   Source: FDA Food Code — thawing in a microwave oven followed by immediate transfer to conventional cooking equipmentReport a problem with this question

7. 7. A case of vacuum-packed frozen salmon is labeled "keep frozen until use." What must staff do about the packaging when this fish is thawed under refrigeration?

   • A.Leave the package sealed and open it only after the fish is fully cooked through
   • B.Remove the fish from the package before it is placed in the cooler to thaw✓ Answer
   • C.Leave the package sealed so the fish does not pick up odors in the cooler
   • D.Puncture the package in several places and thaw the fish inside it

   The oxygen-reduced package favors a cold-tolerant, oxygen-hating spore former that can produce toxin as the fish warms above freezing, and that toxin is not destroyed by normal cooking. Opening the package restores oxygen and removes the condition the organism needs; a few punctures do not reliably do so.

   Source: FDA Food Code — removal of reduced-oxygen-packaged fish labeled to be kept frozen from the package prior to or upon completion of thawingReport a problem with this question

8. 8. Why does thawing a whole frozen turkey on a counter overnight create a hazard even though the bird is still icy in the center the next morning?

   • A.Ice crystals rupture cells and release moisture that raises the pH of the meat
   • B.The turkey absorbs airborne mold spores that grow only on frozen poultry surfaces
   • C.The center thaws first and warms while the outer layers stay frozen and protected
   • D.The outer layers sit in the danger zone for hours while the center stays frozen✓ Answer

   Heat moves inward from the surface, so the outside of a large bird warms into the danger zone and supports bacterial growth for many hours before the interior ice is gone. A frozen center is therefore evidence that the surface has been abused, not evidence that the thaw was safe.

   Source: FDA Food Code — approved thawing methods; ambient-air thawing is not among them because the surface enters the temperature danger zoneReport a problem with this question

9. 9. A manager must verify the doneness of thin hamburger patties on a flat-top grill and also spot-check the surface temperature of pans on the hot line. Which pairing of instruments is correct?

   • A.An infrared thermometer for the patties and a thin-probe thermocouple for the pans
   • B.A thin-probe thermocouple for the patties and an infrared thermometer for the pans✓ Answer
   • C.A bimetallic stemmed probe for the patties and an infrared thermometer for the pans
   • D.An infrared thermometer for the patties and a bimetallic stemmed probe for the pans

   An infrared thermometer reads only surface temperature and can never verify an internal cooking endpoint, so it suits spot-checking pans and equipment. A bimetallic stemmed thermometer senses along a length of its stem and cannot read a thin patty accurately, which is why a thin-probe thermocouple or thermistor is the right tool for thin foods.

   Source: Food Protection Manager certification content outline — thermometer types and their approved uses; FDA Food Code requirements for food temperature measuring devicesReport a problem with this question

10. 10. A supervisor watches a cook push the same probe into a pork roast and then into a pan of gravy, reading each in the first spot the probe lands. Which two corrections should the supervisor make?

    • A.Rinse the probe in hot water between foods, and read the surface where the crust has formed
    • B.Clean and sanitize the probe between foods, and read the thickest part in more than one spot✓ Answer
    • C.Clean and sanitize the probe between foods, and read next to the bone for the fastest result
    • D.Wipe the probe on a clean apron between foods, and read the pan edge for a stable value

    A probe is a food-contact surface, so it must be cleaned and sanitized between foods or it carries pathogens from raw and partially cooked product into other food. A single reading can also miss a cold spot, so the manager verifies the thickest part in more than one location, avoiding bone, fat, and the pan itself, which read hotter or colder than the food.

    Source: FDA Food Code — cleaning and sanitizing of food temperature measuring devices, and measurement of internal temperature at the thickest part of the foodReport a problem with this question

11. 11. A cook tells the manager that a batch of beef patties is done because none of them shows pink inside. Why is that not acceptable verification?

    • A.Color change shows that the fat has rendered but not that the protein has set
    • B.Color is a reliable indicator in beef but not in pork or lamb patties
    • C.Ground beef always keeps some pink color even after it is fully cooked through
    • D.Patties can lose their pink color before reaching a safe internal temperature✓ Answer

    Ground beef can brown prematurely because of pigment chemistry, packaging, and pH, so a grey interior can appear well below the required endpoint while some patties stay pink after reaching it. The FDA Food Code therefore requires verification with a food temperature measuring device rather than by appearance or elapsed time.

    Source: FDA Food Code — verification of cooking temperatures with a food temperature measuring device rather than by visual donenessReport a problem with this question

12. 12. A steakhouse serves intact whole-muscle steaks, grinds its own burger, and also sells blade-tenderized sirloin. Why do the burger and the tenderized sirloin need a higher cooking endpoint than the intact steaks?

    • A.Grinding and tenderizing raise the fat content, which shields pathogens from heat
    • B.Grinding and tenderizing lower the meat's water activity and protect the pathogens
    • C.Grinding and tenderizing add oxygen that lets surface pathogens grow much faster
    • D.Grinding and tenderizing move surface pathogens into the interior of the meat✓ Answer

    On an intact cut the contamination is essentially on the outside, where searing destroys it, so the interior needs less treatment. Grinding, needling, blade tenderizing, and brine injection all carry surface organisms into the center, making the product non-intact, so the whole mass must reach a higher endpoint to achieve the same reduction in pathogens.

    Source: FDA Food Code — cooking temperatures for comminuted meat and for mechanically tenderized or injected (non-intact) meatReport a problem with this question

13. 13. A cooking chart lists three equivalent options for the same product: 145°F (63°C) held 3 minutes, 150°F (66°C) held 1 minute, or 158°F (70°C) with no hold time. What principle lets a manager accept any of the three?

    • A.A lower temperature held longer produces a safer product than a brief high heat
    • B.A lower temperature held longer can achieve the same reduction in pathogens✓ Answer
    • C.Any temperature above the danger zone is safe once the food reaches the center
    • D.Holding time matters only for poultry products and not for other animal foods

    Thermal destruction of pathogens depends on both temperature and the time held at that temperature, so the FDA Food Code publishes alternative combinations that deliver the same log reduction. The options are equivalent, not ranked, and simply crossing out of the danger zone does not by itself deliver the required lethality.

    Source: FDA Food Code — alternative time and temperature combinations for cooking raw animal foodsReport a problem with this question

14. 14. An operation cooks raw chicken pieces in a microwave oven. Besides reaching the required internal temperature in all parts, what else does the FDA Food Code require of the process?

    • A.Cover the food, cook it without stirring, and check the temperature at one point
    • B.Cover the food, rotate or stir it during cooking, and uncover it right afterward
    • C.Cover the food, rotate or stir it during cooking, and let it stand covered afterward✓ Answer
    • D.Leave the food uncovered, stir it once, and check the temperature at the edge

    Microwave energy penetrates unevenly and leaves cold spots, so the FDA Food Code requires covering to retain moisture, rotating or stirring to redistribute the energy, and a covered standing period so heat equalizes throughout the food before it is served. Uncovering immediately stops that equalization from happening.

    Source: FDA Food Code — cooking raw animal foods in a microwave oven: covering, rotating or stirring, and a covered standing timeReport a problem with this question

15. 15. A restaurant adds a seared-rare tuna appetizer to its printed menu. What must the operation give guests under the FDA Food Code?

    • A.A signed waiver from each guest before the undercooked item leaves the kitchen
    • B.Disclosure that the item is served raw or undercooked, with no reminder needed
    • C.A spoken warning from the server that takes the place of any menu statement
    • D.Disclosure that the item is undercooked plus a reminder of the risk it carries✓ Answer

    The consumer advisory has two required parts: disclosure identifying which items are served raw or undercooked, and a reminder that eating them raises the risk of foodborne illness. Disclosure alone is incomplete, a signed waiver is not a substitute for the advisory, and an oral warning does not replace the required written statement.

    Source: FDA Food Code — consumer advisory requiring both disclosure and reminder for raw or undercooked animal foodReport a problem with this question

16. 16. A food service operation inside a hospital wants to offer eggs cooked to order with runny yolks for patient meals. What should the person in charge decide?

    • A.Allow it if each patient's physician signs off on the undercooked item in advance
    • B.Allow it if the menu carries the disclosure and reminder for undercooked items
    • C.Refuse it, because this operation may not serve undercooked animal food✓ Answer
    • D.Allow it only for staff meals in the cafeteria, using the same shell eggs

    Operations serving a highly susceptible population, such as hospital patients, may not offer raw or undercooked animal food at all, so the consumer advisory is not an available workaround there. Pasteurized eggs are the substitute when a runny-yolk style is wanted.

    Source: FDA Food Code — prohibition on serving raw or undercooked animal food in facilities serving a highly susceptible populationReport a problem with this question

17. 17. A sushi bar plans to serve a wild-caught fish species raw, but the supplier cannot document that the fish was frozen for parasite destruction. What should the person in charge do?

    • A.Rinse the fillets in an acidic marinade long enough to kill any parasites present
    • B.Serve it raw with a consumer advisory, since the advisory covers parasite risk
    • C.Freeze the fish in house to the required parameters and keep the records✓ Answer
    • D.Hold the fish at its coldest refrigeration setting for a week before serving it raw

    Cooking is the primary parasite control, and for fish served raw or undercooked the FDA Food Code substitutes freezing at specified time and temperature parameters, either by the supplier under written documentation or in house with records retained. Refrigeration and acidic marinades do not destroy parasites, and the consumer advisory addresses pathogen risk rather than replacing the required parasite control.

    Source: FDA Food Code — parasite destruction by freezing for fish served raw or undercooked, with records retainedReport a problem with this question

18. 18. An operation's cooling procedure requires cooked chili to fall from 135°F (57°C) to 70°F (21°C) within 2 hours, then to 41°F (5°C) within a further 4 hours. Why does the first stage get its own tighter limit instead of one overall time limit?

    • A.That stretch is where the chili loses the most moisture through evaporation
    • B.That stretch is where spores formed during cooking begin to germinate and die
    • C.That stretch covers the temperatures at which surviving bacteria multiply fastest✓ Answer
    • D.That stretch is where the chili's pH drops far enough to allow toxin formation

    Spore-forming bacteria survive cooking and grow explosively in the warm upper part of the danger zone, so the code puts a short, separate limit on the hottest segment and allows more time for the slower, colder segment. Splitting the requirement forces the food through the fastest-growth range quickly instead of letting it linger there inside a single long total.

    Source: FDA Food Code — two-stage cooling of cooked time/temperature control for safety foodReport a problem with this question

19. 19. A cook puts 5 gallons of hot beef stew into a deep plastic bucket, seals the lid, and sets it in the walk-in. Which change will most improve the cooling rate?

    • A.Move the tightly covered bucket into the freezer until the stew is cold
    • B.Stir the stew in the bucket every hour and keep the lid sealed tight
    • C.Divide the stew into shallow metal pans and leave them loosely covered✓ Answer
    • D.Keep the bucket but set it on the floor of the walk-in near the fan

    Cooling speed depends on surface area, depth, container conductivity, and whether heat can escape, so shallow metal pans left loosely covered attack all four at once. A deep sealed plastic bucket insulates the core no matter where it is placed, and floor storage and freezer placement create other violations without fixing the geometry.

    Source: FDA Food Code — approved cooling methods, including shallow pans, smaller portions, heat-conductive containers, and arranging containers loosely covered for maximum heat transferReport a problem with this question

20. 20. A cooling log shows a pan of gravy at 90°F (32°C) at the two-hour check, when the operation's procedure requires 70°F (21°C) by that point. What corrective action should the manager direct?

    • A.Reheat the gravy to the required temperature and start the cooling process again✓ Answer
    • B.Record the deviation and continue cooling, since the total time limit still applies
    • C.Hold the gravy hot on the steam table until the next service period begins
    • D.Move the gravy to a colder unit and give it four more hours to finish cooling

    Missing the first-stage checkpoint means the food has already spent too long in the fastest-growth range, so the accepted corrective action is to reheat it to the required reheating temperature and restart cooling, or to discard it. Simply continuing to cool, logging the deviation, or parking it hot leaves the exposure uncorrected. Reheat-and-recool is a manager-training convention built on the code's cooling parameters rather than verbatim code text, so confirm the expected corrective action with your regulatory authority.

    Source: FDA Food Code — cooling parameters and corrective action for time/temperature control for safety food; the reheat-and-recool response is a manager-training convention rather than verbatim code textReport a problem with this question

21. 21. A cook takes yesterday's braised beef from the cooler. One pan goes on the steam table for lunch service; a single portion is heated for a guest who has just ordered it. How do the two reheating requirements differ?

    • A.Neither must reach the reheating temperature, since the beef was fully cooked yesterday
    • B.The steam-table batch must reach the reheating temperature, while the single portion may be served at any temperature✓ Answer
    • C.The single portion must reach the reheating temperature, while the steam-table batch needs only hot-holding temperature
    • D.Both must reach the reheating temperature, but the single portion may take longer to get there

    Food that was properly cooked, cooled, and refrigerated is already safe, so when it is prepared for immediate service on an individual order it may be served at any temperature because it will not sit and grow bacteria. Food reheated for hot holding will sit for hours, so it must be brought rapidly to the reheating temperature to destroy anything that multiplied during storage, and hot-holding equipment is too slow to do that job.

    Source: FDA Food Code — reheating for hot holding versus cooked and refrigerated food prepared for immediate service in response to an individual consumer orderReport a problem with this question

22. 22. A deli will put sealed, commercially processed cheese-filled pretzels and a house-made pot roast on the hot line. How should the manager treat the two products?

    • A.The pretzels need only hot-holding temperature; the pot roast needs a full reheat✓ Answer
    • B.Both need the full reheating temperature, since both were refrigerated overnight
    • C.Both may be brought up to temperature directly on the hot line rather than in an oven
    • D.The pretzels need the full reheat; the pot roast needs only hot-holding temperature

    Ready-to-eat food processed and packaged at a regulated food processing plant and kept sealed has not been exposed to the operation's handling, so reheating it for hot holding only has to bring it to hot-holding temperature. Food cooked, cooled, and stored on site must be reheated to the full reheating temperature in equipment designed to heat rapidly, not on the hot-holding line itself.

    Source: FDA Food Code — reheating commercially processed and packaged ready-to-eat food for hot holding, and the prohibition on using hot-holding equipment to reheatReport a problem with this question

Practice questions based on the FDA Food Code and the published content areas used by ANSI/ANAB-CFP accredited food protection manager exams. Not affiliated with ServSafe® or the National Restaurant Association. Requirements are set by your regulatory authority, and jurisdictions adopt different editions of the model code — confirm the rules and thresholds that apply to your operation with your local health department before your exam. FDA Food Code →