Question 1

According to the Centers for Disease Control and Prevention (CDC),what ratio of Americans experience foodborne illness annually?

Accepted Answer

According to the CDC, an estimated one in six (or 48 million) Americans experience foodborne illness annually. This includes illnesses caused by bacterial, viral, and parasitic pathogens in food.

Question 2

In which of the following foods would Clostridium botulinum be MOST likely to flourish?

Accepted Answer

Clostridium botulinum is a spore-forming bacterium that is commonly found in soil, water, and dust. It can survive and grow in low-acid, anaerobic conditions. Raw honey is a low-acid food that is often contaminated with spores of Clostridium botulinum. When the spores germinate and produce toxins, the honey becomes a potential source of botulism. Therefore, raw honey is the most likely food to harbor Clostridium botulinum.

Question 3

The addition of iodine to table salt has decreased the incidence of

Accepted Answer

The addition of iodine to table salt has decreased the incidence of goiter, which is a condition caused by the deficiency of iodine in the diet. It has no effect on the other diseases listed.

Question 4

Which of the following is NOT a reason that foodborne illness has become a major U.S.public health threat in recent years?

Accepted Answer

Lack of food safety legislation is not a reason that foodborne illness has become a major U.S. public health threat in recent years. In fact, there are numerous food safety laws and regulations in place at both the federal and state levels, including the Food Safety Modernization Act (FSMA) and the Hazard Analysis and Critical Control Points (HACCP) system. The other three choices are all factors that have contributed to the increase in foodborne illness in recent years.

Question 5

Which of the following is NOT one of the body's protective responses after encountering foodborne microbes?

Accepted Answer

Increased blood glucose levels are not a protective response to encountering foodborne microbes. The other options are all protective responses, as vomiting and diarrhea help to expel the microbes from the body, increased production of white blood cells helps to fight off the infection, and fever helps to create an environment in which the microbes cannot survive.

Question 6

Pesticides are a family of chemicals

Accepted Answer

Pesticides are chemicals used to control pests that can damage crops and cause economic losses. This includes herbicides to control weeds, insecticides to control insects, and fungicides to control fungi. They are used in the field and in storage areas to reduce destruction caused by weeds, insects, and microorganisms, ultimately helping to increase crop yields and reduce food waste.

Question 7

Which of the following is the leading cause of foodborne illness in the United States?

Accepted Answer

According to the Centers for Disease Control and Prevention (CDC), norovirus is the leading cause of foodborne illness in the United States, responsible for about 58% of all foodborne illnesses. Prions, E. coli, and mold can also cause illness from contaminated food, but are not as common or widespread as norovirus.

Question 8

Which of these people has the LOWEST risk of suffering serious consequences from a foodborne illness?

Accepted Answer

Out of the options given, the college student cramming for final exams has the lowest risk of suffering serious consequences from a foodborne illness. While all individuals have some level of risk when it comes to foodborne illness, the immune system of a healthy college student is most likely to be strong enough to avoid serious consequences. Cancer patients, infants, and those with AIDS have weaker immune systems, making them more vulnerable to serious consequences from a foodborne illness.

Question 9

Which of the following is NOT a type of fungi?

Accepted Answer

Prions are not a type of fungi. They are misfolded proteins that can cause degenerative neurological diseases in animals and humans.

Question 10

A form of genetic modification practiced for centuries is known as

Accepted Answer

Selective breeding, also known as artificial selection, is a form of genetic modification that has been practiced for centuries. It involves intentional breeding of plants or animals with desirable traits in order to produce offspring with those same desirable traits. This is commonly used in agriculture to produce crops with higher yields or animals with traits such as milk production or meat quality. Unlike gene splicing or recombinant DNA technology, selective breeding does not involve direct manipulation of genes or DNA, but rather relies on natural variation and controlled mating.

Question 11

Monosodium glutamate (MSG)in soup,iodine in table salt,and beet extract in strawberry ice cream are all examples of

Accepted Answer

Monosodium glutamate, iodine, and beet extract are all examples of additives. Additives are substances added to food products for various reasons, such as enhancing flavor, texture, or appearance, or to prolong shelf life.

Question 12

Which of the following falls within the "danger zone" of foodborne illnesses?

Accepted Answer

Thawing a frozen turkey at room temperature falls within the danger zone of 40°F to 140°F (4°C to 60°C) where bacteria can quickly multiply and cause foodborne illness.

Question 13

A severe consequence of ingestion of the Clostridium botulinum toxin is

Accepted Answer

One of the most severe consequences of ingesting the Clostridium botulinum toxin is paralysis, which can affect muscles involved in breathing and ultimately result in respiratory failure. Other symptoms can include blurred vision, difficulty swallowing, and muscle weakness.

Question 14

Which of the following statements is FALSE about the role of fungi in causing adverse food reactions?

Accepted Answer

While fungal contamination of food can cause illness, it is not a common cause of serious illness compared to other foodborne pathogens such as bacteria and viruses. The statement implies that fungal contamination is a major cause of serious illness, which is false.

Question 15

Which of the following environmental conditions would increase the survival and reproduction of most food microorganisms?

Accepted Answer

Most food microorganisms thrive in temperatures between 40°F and 140°F, known as the danger zone. Outside this range, the microbial growth slows down or stops altogether. Other environmental conditions that increase the survival and reproduction of food microorganisms include high humidity, the presence of oxygen, and a neutral pH. Therefore, options A, C, and D are incorrect.

Question 16

For a Memorial Day barbecue,friends agree to meet at a lakeside park.The temperature is a mild 75°F.Which of the following practices should they avoid in order to prevent an outbreak of foodborne illness?

Accepted Answer

Grilling hamburgers to medium rare can create an environment where harmful bacteria like E. coli can survive. It is recommended to cook ground beef to an internal temperature of 160°F to ensure bacteria are destroyed. The other choices (A, C, and D) are all important practices to prevent foodborne illness.

Question 17

Mycotoxins are most commonly found in

Accepted Answer

Mycotoxins are toxic substances produced by certain fungi that grow on food crops, particularly grains such as corn, wheat, and peanuts. Therefore, the most common source of mycotoxins is grains. Options A, B, and D are not typically associated with mycotoxins.

Question 18

Which of the following produces a neurotoxin?

Accepted Answer

Clostridium botulinum produces a neurotoxin called botulinum toxin, which can cause botulism.

Question 19

Which of the following is a key provision of the 2011 Food Safety Modernization Act?

Accepted Answer

The 2011 Food Safety Modernization Act (FSMA) primarily focuses on preventing food safety problems before they occur, rather than simply responding to them after the fact. A significant provision of the FSMA is the requirement for more frequent inspections of food-production facilities, especially those that pose a higher risk, to ensure compliance with safety standards.

Question 20

Infection with the hepatitis A virus can result in damage to

Accepted Answer

Hepatitis A virus is primarily transmitted through ingestion of contaminated food or water. Once the virus enters the body, it infects and damages liver cells, leading to inflammation and potential long-term liver damage. Symptoms of hepatitis A include nausea, vomiting, abdominal pain, dark urine, and yellowing of the skin and eyes. While some individuals may experience mild or no symptoms, hepatitis A can cause severe illness and even death in some cases.

Quiz 12: Food Safety and Technology: Protecting Our Food

According to the Centers for Disease Control and Prevention (CDC) ,what ratio of Americans experience foodborne illness annually?