Q: Which equation best represents the energy balance concept relevant to food security and nutrition?

$$\text{Energy Balance} = \text{Energy Intake} - \text{Energy Expenditure}$$

Question 1

Which of the following best describes the difference between food security and food insecurity in the United States?

Accepted Answer

Food security is defined as access by all people at all times to enough food for an active, healthy life, while food insecurity is the lack of this access, leading to nutritional and health problems.

Question 2

A child presents with stunted growth, increased susceptibility to infections, and night blindness. Which micronutrient deficiency is most likely responsible for these symptoms?

Accepted Answer

Vitamin A

Question 3

Which U.S. government program provides monthly benefits to low-income households specifically for purchasing groceries?

Accepted Answer

SNAP (Supplemental Nutrition Assistance Program)

Question 4

Which of the following is NOT permitted in the production of USDA-certified organic foods?

Accepted Answer

Synthetic pesticides

Question 5

A population undergoes a nutrition transition, adopting a more Westernized diet. Which of the following is a likely consequence?

Accepted Answer

Increase in overweight and obesity due to higher intake of processed foods, sugar, and fat

Question 6

Which of the following is a potential risk associated with the use of genetically modified (GM) crops?

Accepted Answer

Development of herbicide-resistant 'superweeds' and loss of genetic diversity

Question 7

Which food handling practice is most effective in reducing the risk of foodborne illness caused by cross-contamination?

Accepted Answer

Using separate cutting boards for raw meat and fresh produce

Question 8

Which of the following statements about food additives is correct?

Accepted Answer

Food additives are used to preserve flavor, enhance taste, improve appearance, or increase shelf life.

Question 9

A patient presents with neurological symptoms after consuming large predatory fish. Which environmental contaminant is most likely responsible?

Accepted Answer

Mercury (as methylmercury)

Question 10

Which of the following strategies is recommended for consumers to reduce food waste at home?

Accepted Answer

Cook only what is necessary and freeze leftovers

Question 11

Which equation best represents the energy balance concept relevant to food security and nutrition?

Accepted Answer

$$	ext{Energy Balance} = 	ext{Energy Intake} - 	ext{Energy Expenditure}$$

Question 12

Which of the following is a key function of the Environmental Protection Agency (EPA) in food safety?

Accepted Answer

Establishing water quality standards and regulating pesticides

Question 13

A child in a developing country presents with a swollen abdomen, muscle wasting, and stunted growth. Which condition is most likely?

Accepted Answer

Kwashiorkor

Question 14

Which of the following is a recommended method for reducing exposure to pesticide residues in food?

Accepted Answer

Washing, scrubbing, and peeling fruits and vegetables

Question 15

Which of the following best describes the main purpose of genetic engineering in agriculture?

Accepted Answer

To introduce desirable traits such as pest resistance, improved nutrition, and better shelf life

Question 16

Which of the following is a common misconception about organic foods?

Accepted Answer

Organic foods are always free from all pesticide residues

Question 17

Which of the following is a potential health consequence of chronic exposure to aflatoxins in food?

Accepted Answer

Liver cancer

Question 18

Which of the following best explains why food insecurity and poverty are sometimes linked with obesity in the U.S.?

Accepted Answer

Food-insecure individuals may overeat when food is available and purchase inexpensive, high-energy-density foods

Question 19

Which of the following is a recommended action for individuals to help fight hunger in their communities?

Accepted Answer

Donate high-protein foods and volunteer at local food banks or pantries

Nutrition and Food Supply: Food Security, Sustainability, and Safety

Study Guide - Practice Questions

Study Guide - Flashcards