Test 2 Flashcards

(35 cards)

1
Q

What is the number one ingredient that older people in America are concerned about in foods today?

A

fat

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2
Q

What is the role of irradiation in food processing?

A

eliminates microbes

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3
Q

What is the role of refrigeration in food processing?

A

slows microbial growth

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4
Q

What are two factors that accelerate rancidity in food products.

A

light and oxygen

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5
Q

What country spends the smallest portion of their income on food?
a. USA
b. Japan
c. Norway
d. Ethiopia

A

USA

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6
Q

What color is nitrosomyoglobin and nitrosohemochrome found in uncooked meats, respectively?

A

dark red, light pink

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7
Q

What is sensory evaluation of foods?

A

evaluation of foods by use of smell, taste, and sight

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8
Q

What percentage of pesticide residues in foods has exceeded the tolerance levels in the past 25 years?

A

less than 1%

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9
Q

What is the role of dehydration in food processing?

A

makes microbes dormant, preventing growth

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10
Q

Under what conditions will mold not grow?

A

anaerobic conditions

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11
Q

Most food poisoning outbreaks in the U.S. are due to consuming food contaminated with _____.

A

pathogenic bacteria

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12
Q

What is the major concern about microbial growth in foods?

A

production of toxins

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13
Q

Who is responsible for monitoring the food supply for pesticide residues?

A

FDA

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14
Q

What are the three types of microorganisms?

A

yeast, molds, and bacteria

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15
Q

Which of the following foodbourne illnesses is due to ingestion of a toxin?

A

botulism

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16
Q

How is the order of additives determined on the label of a product?

A

by prevalence in the product

17
Q

How do yeasts reproduce?

18
Q

How much water is typically found in produce?

19
Q

What food group generally varies the most throughout the year?

A

seasonal fruits and vegetables

20
Q

What is the natural toxin present in potatoes?

21
Q

What is the role of fermentation in food processing?

A

alters pH, encouraging only friendly microbes to grow

22
Q

What is NAACP?

A

guidelines to insure food safety in processing, packaging, distribution, storage and preparation of food

23
Q

The process of heating milk is called pasteurization. The primary objective of pasteurization is to:

A

destroy potential pathogens present in the milk.

24
Q

Chymosin is an enzyme preparation that performs the following function:

A

hydrolyses starch to glucose.

25
What is the number one nutritional problem in the United States?
obesity
26
Which of the following are all produced by lactic acid fermentation?
pickles, cheese, yogurt, and olives
27
When determining the toxicity of chemicals in food, what is MTD?
maximum target dose
28
Who discovered the role of yeast in fermentation?
L. Pasteur in 1859
29
Conditions that promote bacterial growth are: a. suitable temperature. b. available moisture. c. available nutrients. d. all of the above.
d. all of the above.
30
How big is the food industry? a. 2nd largest in the US b. 5th largest in the US c. 13th largest in the US d. largest in the US
d. largest in the US
31
How do bacteria reproduce?
binary fission
32
What is the largest cost of producing food?
labor
32
What are the best packaging materials for freezing foods?
materials that seal moisture in and conform to food
33
What is the major cause of deterioration of potato chips?
oxidation
34
What is a catalase and where is it found/used?
an enzyme found in most aerobic cells