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ASC 378 Final > Exam 1 > Flashcards

Exam 1 Flashcards

1
Q

Your lab supervisor gave you a petri dish containing sample “X” that was collected from the hind gut of a particular class of livestock. After examining the sample under the microscope you discovered that the sample contained several microbes with bacteria and protozoan being the predominant species. Which of the following best describe the animal from which sample “X” came from.

A

Horse

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2
Q

________________ is any product that when properly used in the diet has nutritional value.

A

Feedstuff

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3
Q

The movement of nutrients from the gastrointestinal tract through the gut wall into the lymph system and blood stream is known as?

A

Absorption

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4
Q

The difference between anabolism and metabolism is

A

Anabolic process is constructive

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5
Q

Enzymes are biocatalysts that are secreted by living cells that activate chemical reactions in the body of an animal. It requires one of the following for activation

A

Cofactor

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6
Q

The father of nutrition was

A

Antoine Lavoisier

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7
Q

The digestibility of a mature crop plant is _______ than that of a relatively younger crop plant

A

Lower

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8
Q

Plants make use of the following to produce carbohydrates, fats, and proteins

A

CO2, H2O, nitrates, and salts

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9
Q

Acid detergent fiber (ADF) and neutral detergent fiber (NDF) are types of fiber found in plantmaterials. Which of the following is correct

A

NDF is always higher than ADF

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10
Q

This animal has the ability to digest and utilize forages to generate lots of volatile fatty acid(VFA), however, it lacks a rumen

A

Horse

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11
Q

You recently read an article in which the author described a livestock species as being able to generate lots of its required energy from fiber and cellulose in their diets. How would you describe the digestive process that is employed by this animal?

A

Predominantly fermentative

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12
Q

The “true” stomach (glandular stomach) of a ruminant is known as

A

Abomasum

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13
Q

This peptide hormone is produced in the duodenal mucosa and its functions include the stimulation of volume and bicarbonate outputs of pancreatic secretion and, in some species, of bile.

A

Secretin

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14
Q

As discussed in class, this peptide hormone inhibits the release of the other three hormones.

A

Somatostatin

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15
Q

Parietal cells secrete

A

HCl

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16
Q

This enzyme is found in the saliva of some animals

A

Amylase

17
Q

An example of a disaccharide is

A

Maltose

18
Q

The secretion of pepsinogen and HCl takes place in the

A

All the above

19
Q

The fundamental difference between feces and excreta is that

A

Excreta contains uric acid

20
Q

Digestibility is influenced by many factors. What happens to digestibility with an increase in dry matter intake?

A

Decreases

21
Q

Water that is found in the body of an animal comes from all of the following except

A

Sweat water

22
Q

Which of the following generates the largest amount of water post oxidation

A

Fat

23
Q

The concentration of urea in the urine of the temperate animal compared to their desert counterpart will be

A

Lower

24
Q

What would happen to feed and water intake in a nonruminant animal that is fed a diet that is high in salt (NaCl)?

A

Water intake will increase while feed intake will decrease

25
Q

The water (or fluid) in the body of an animal is located in two distinct compartments. These compartments are

A

Extracellular and intracellular

26
Q

Which of the following is correct

A

The moisture contents of feces from cattle is relatively higher than that of swine

27
Q

In mammals, urea is the excretory product of

A

Protein metabolism

28
Q

Water that is lost through the skin (other than sweating) via diffusion is known as

A

Insensible water

29
Q

When a living cell is dropped into a solution that is hypertonic (relative to the contents of the cell)

A

The cell decreases in size (shrinks) by losing fluid to the surrounding solution

30
Q

In general, the total number of minerals found in the body of an animal is

A

About 19

ASC 378 Final (4 decks)

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