INTRODUCTION - 3 - MILK QUALITY_Other Measures of Milk Quality

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1. Enter your First and Last Name

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2. Select all that apply. High quality milk has which of the following characteristics?

White appearance

No abnormal substances

No objectionable odors

Low somatic cell counts

Low bacterial counts

Some abnormal substances

High somatic cell counts

High bacterial counts

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3. If milk is received or collected from a dairy farm more than two hours after the most recent milking, the temperature of the milk should not exceed:

45˚F

50˚F

7˚F

55˚F

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4. What is an acceptable somatic cell count according to U.S. regulations for Grade A and Grade B bulk tank milk?

505,000 cells/ml

120,000 cells/μl

1,275,000 cells/ml

All are acceptable somatic cell counts

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5. "Milk that has visibly changed in color, odor, and/or texture" is the definition of:

Abnormal milk

Undesirable milk

Contaminated milk

None of the above.

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6. Select all that apply. The types of rancidity are:

Oxidative rancidity

Hydrolytic rancidity

Hydrophobic rancidity

Reductive rancidity

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7. The amount of lactic acid in milk is an indirect indicator of the amount of bacteria in milk.

True

False

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8. Lactic acid in milk is a product of:

Bacterial fermentation

Bacterial oxidation

Bacterial reduction

It is not a product of anything; it is just a component of the milk

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9. Select all that apply. High water contents in milk (water contents above 87%) can be caused by:

Intentional addition of water (fraud)

Poor system drainage

Use of excessive water during preparation

Back-flushing units with the vacuum on

Rinsing the top of the bulk tank

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10. The accumulation of toxic agents due to pesticide contamination can reach hazardous concentrations in people who continually consume contaminated milk.

True

False

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11. Select all that apply. Insecticide contamination may result from:

Application of insecticides to the lactating animals

Inhalation of toxic vapors by the animals following the application of insecticides to their environment

Ingestion of insecticide residues in feed and water

Accidental contamination of milk, feed and utensils

Bacterial fermentation

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12. Fresh milk contains a considerable amount of lactic acid

True

False

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13. Select all that apply. The main causes of sediment occurrence in milk are:

Excessive hair

Sand bedding

Poor pre-milking hygiene

Insecticides

High somatic cell counts

Unhealthy cows

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14. By definition, "contaminated milk" is:

Unfit for human consumption

Grade B milk

Grade C milk

Milk that has visibly changed in color, odor, and/or texture

INTRODUCTION - 3 - MILK QUALITY_Other Measures of Milk Quality

Question Title

* 1. Enter your First and Last Name

Question Title

* 2. Select all that apply. High quality milk has which of the following characteristics?

Question Title

* 3. If milk is received or collected from a dairy farm more than two hours after the most recent milking, the temperature of the milk should not exceed:

Question Title

* 4. What is an acceptable somatic cell count according to U.S. regulations for Grade A and Grade B bulk tank milk?

Question Title

* 5. "Milk that has visibly changed in color, odor, and/or texture" is the definition of:

Question Title

* 6. Select all that apply. The types of rancidity are:

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* 7. The amount of lactic acid in milk is an indirect indicator of the amount of bacteria in milk.

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* 8. Lactic acid in milk is a product of:

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* 9. Select all that apply. High water contents in milk (water contents above 87%) can be caused by:

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* 10. The accumulation of toxic agents due to pesticide contamination can reach hazardous concentrations in people who continually consume contaminated milk.

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* 11. Select all that apply. Insecticide contamination may result from:

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* 12. Fresh milk contains a considerable amount of lactic acid

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* 13. Select all that apply. The main causes of sediment occurrence in milk are:

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* 14. By definition, "contaminated milk" is:

1. Enter your First and Last Name

2. Select all that apply. High quality milk has which of the following characteristics?

3. If milk is received or collected from a dairy farm more than two hours after the most recent milking, the temperature of the milk should not exceed:

4. What is an acceptable somatic cell count according to U.S. regulations for Grade A and Grade B bulk tank milk?

5. "Milk that has visibly changed in color, odor, and/or texture" is the definition of:

6. Select all that apply. The types of rancidity are:

7. The amount of lactic acid in milk is an indirect indicator of the amount of bacteria in milk.

8. Lactic acid in milk is a product of:

9. Select all that apply. High water contents in milk (water contents above 87%) can be caused by:

10. The accumulation of toxic agents due to pesticide contamination can reach hazardous concentrations in people who continually consume contaminated milk.

11. Select all that apply. Insecticide contamination may result from:

12. Fresh milk contains a considerable amount of lactic acid

13. Select all that apply. The main causes of sediment occurrence in milk are:

14. By definition, "contaminated milk" is: