question

Why is rBGH injected into many U.S. dairy cows?

answer

To increase milk production without increasing feed

question

A process that uses gamma rays to eliminate harmful bacteria in meat and poultry is called:

answer

Irradiation

question

Which of the following is NOT a recommended method for preventing cross-contamination?

answer

Cutting different kinds of raw food with the same knife

question

Which human organ system is MOST affected by toxic levels of mercury?

answer

Nervous

question

Four factors affecting survival and reproduction of food microorganisms include temperature, humidity, acidity, and:

answer

Oxygen content

question

Food additives are the potentially carcinogenic chemicals that remain in foods despite cleaning and processing.

answer

False

question

Bovine spongiform encephalopathy is a foodborne illness also known as:

answer

Mad Cow Disease

question

Which of the following is an infectious protein that can lead to mad cow disease?

answer

A prion

question

Which of the following is NOT an effective strategy for reducing exposure to growth hormones and antibiotics?

answer

Switching from ground beef from ground turkey

question

Which of the following food preservation methods does NOT limit spoilage by drawing water out of foods, making them inhospitable to bacterial growth?

answer

Cooling

question

A potential concern about genetic modification is:

answer

Production of antibiotic-resistant bacteria

question

Which of the following environmental conditions would NOT increase the survival and reproduction of food microorganisms?

answer

A low amount of humidity

question

Enterotoxins damage the ________ system.

answer

Gastrointestinal

question

Which preservative has been found to be potentially carcinogenic in animals?

answer

Nitrites

question

Which of the following would NOT help reduce exposure to bisphenol A (BPA)?

answer

Microwaving foods in plastics marked with recycling codes 3 or 7

question

Which of the following preservatives are associated with negative health effects?

answer

Sulfites and Nitrites

question

Which of the following foods would be the BEST source of dietary calcium for a young toddler?

answer

Whole milk

question

Which of the following metabolic effects of CR has NOT been reported in any of the human studies?

answer

Increased energy expenditure

question

Current research shows ______ benefits of anti-aging vitamin and mineral supplements.

answer

No

question

Which of the following is associated with the premature closure of the epiphyseal plate?

answer

Malnutrition

question

Which of the following is associated with behavioral and learning problems in school-aged children?

answer

Hunger

question

The absorption of which vitamin increases in older adults?

answer

A

question

Which of the following is NOT a concern for children on a well-planned vegan diet?

answer

Long term effects on adult height and weight

question

Which of the following is NOT associated with eating a healthy breakfast?

answer

Increased tardiness

question

Which of the following does NOT affect a child's estimated energy requirement (EER)?

answer

Micronutrient supplementation

question

Which of the following is NOT characteristic of adolescent eating habits?

answer

Regular consumption of three meals per day

question

What is the Centers for Disease Control's recommendation for aerobic activity for older adults?

answer

Engage in a minimum of 150 minutes of moderate aerobic activity weekly

question

Which of the following is NOT a risk associated with vitamin A toxicity in older adults?

answer

Heart Disease

question

Physically active older adults:

answer

Live longer and enjoy better health

question

About _______ of a toddler's daily energy intake should be from fat

answer

30 to 40 percent

question

Which water-soluble vitamin can regenerate vitamin E after it has been oxidized?

answer

Vitamin C

question

Vitamin C enhances _____ absorption

answer

Iron

question

The smallest physical units of a substance are

answer

Molecules

question

Vitamin C deficiencies are rare in ______ countries.

answer

Developed

question

Which of the following cooking methods will likely destroy the MOST vitamin C in food?

answer

Boiling

question

If cancer cells are proliferating and growing their own blood vessels, the cancer is likely in the _________ stage.

answer

Progression

question

Antioxidant minerals function as ______ within antioxidant enzyme systems

answer

Cofactors

question

The MOST common form of cancer in the United States is cancer of the

answer

Skin

question

Up to what proportion of cancer deaths do researchers estimate to be related to overweight/obesity, poor nutrition, and inadequate physical activity?

answer

One-third

question

Which of the following would NOT be a good strategy for increasing vitamin E in the diet?

answer

Deep-frying foods in corn or safflower oils

question

Cancer progresses in ______ stages.

answer

3

question

Which of the following is NOT a significant risk factor for skin cancer?

answer

HPV exposure

question

Vitamin C assists in the synthesis of which of the following proteins that is a critical component of all connective tissues in the body?

answer

Collagen

question

In the body, vitamin D is essential for

answer

Calcification of the bones

question

The individual with the highest risk of developing a vitamin D deficiency is a(n)

answer

Elderly institutionalized adult who consumes no milk and receives little or no sun exposure

question

Osteoporosis is a disease characterized by:

answer

Low bone mass

question

Inadequate levels of blood calcium can affect the muscles and cause:

answer

Calcium tetany

question

In the United States, women comprise about ______ of osteoporosis sufferers

answer

80 percent

question

Healthy adults absorb only about _____ of the calcium from most foods

answer

30 percent

question

Which patient is likely at greatest risk for osteoporosis?

answer

Caucasian female who is underweight with an immediate relative with osteoporosis

question

The majority of the body's magnesium is found in the:

answer

Bones

question

The female athlete triad is a disorder characterized by coexistence the following three conditions: osteoporosis, low energy availability, and

answer

Menstrual cycle disruption

question

Which of the following practices would NOT decrease the risk of developing a vitamin D deficiency?

answer

Consume at least four glasses of fluoridated water each day

question

Which of the following foods are good sources of magnesium?

answer

Green leafy vegetables

question

Calcitonin is a hormone secreted by which gland?

answer

Thyroid

question

Cindy is 63 years old and at risk for osteoporosis. Which of the following dietary supplements would be the MOST helpful to minimize bone loss?

answer

Calcium and Vitamin D

question

Which of the following is NOT a proposed factor associated with the increase in vitamin D deficiency among Americans?

answer

Increased consumption of soft drinks

question

The point in life at which our bones are the densest is called what?

answer

Peak bone density

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