Nutrition PT-Quiz 3

20 Questions | By HeatherOta | Updated: Mar 20, 2022 | Attempts: 153

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1.

What are proteins?
- A.
  
  Lipids
- B.
  
  Amino acids linked by peptide bonds
- C.
  
  Micro-nutrients found in the earth
Correct Answer
B. Amino acids linked by peptide bonds
2.

Can essential amino acids be manufactured by the body?
- A.
  
  True
- B.
  
  False
Correct Answer
B. False
3.

There are eight essential amino acids that must be obtained from the food supply or some other exogenous source. Select four
- A.
  
  Aspartic acid
- B.
  
  Tryptophan
- C.
  
  Leucine
- D.
  
  Methionine
- E.
  
  Alanine
- F.
  
  Valine
- G.
  
  Arginine
- H.
  
  Glutamine
Correct Answer(s)
B. Tryptophan
C. Leucine
D. Methionine
F. Valine

Explanation
The other four essential amino acids are: Isoleucine, lysine, phenylalanine, and threonine

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4.

The non-essential amino acids can be manufactured by the body using what?
- A.
  
  Dietary nitrogen, carbohydrates and fat
- B.
  
  Carbohydrates, fat, and proteins
- C.
  
  Trace minerals
- D.
  
  Vitamins and minerals
Correct Answer
A. Dietary nitrogen, carbohydrates and fat
5.

Proteins are broken down into amino acids for the body to absorb. List three things the body uses protein or amino acids for.
- A.
  
  Energy
- B.
  
  Tissue replacement
- C.
  
  Rest
- D.
  
  Muscle reduction
- E.
  
  Fat loss
- F.
  
  Tissue addition
Correct Answer(s)
A. Energy
B. Tissue replacement
F. Tissue addition
6.

As proteins enter the stomach for digestion, what acid uncoils or denatures the protein so that digestive enzymes can begin dismantling the peptide bonds?
- A.
  
  Sodium Chloride (NaCl)
- B.
  
  Citric Acid
- C.
  
  Sodium Hydroxide (NaH2)
- D.
  
  Hydrochloric acid (HCl)
Correct Answer
D. Hydrochloric acid (HCl)
7.

In order for protein to be absorbed in the intestines, what organ besides the stomach aids in the breakdown of the amino acids into dipeptides, tripeptides, and singlular amino acids?
- A.
  
  Pancreas
- B.
  
  Lungs
- C.
  
  Kidneys
- D.
  
  Gallbladder
Correct Answer
A. Pancreas
8.

Once the HCl - hydrocholoric acid denatures the proteins what enzyme begins to cleave the proteins into smaller polypeptides and singular amino acids?
- A.
  
  Sucrase
- B.
  
  Lactase
- C.
  
  Pepsin
- D.
  
  Lipase
Correct Answer
C. Pepsin
9.

What is the name of the single celled epithelial cells found in the intestines?
- A.
  
  Melanocytes
- B.
  
  Enterocytes
- C.
  
  Adiposecytes
Correct Answer
B. Enterocytes
10.

The free form amino acids once in the bloodstream are released from the intestines to which organ through the blood supply?
- A.
  
  Liver
- B.
  
  Heart
- C.
  
  Kidney
Correct Answer
A. Liver
11.

Proteins cannot be used for potential energy by being stored as fat.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Once in the bloodstream, the amino acids have several fates: they can be used for protein synthesis, immediate energy, or potential energy (fat storage).

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12.

The brain and nervous system have a constant need for:
- A.
  
  Fat
- B.
  
  Glucose
- C.
  
  Protein
Correct Answer
B. Glucose
13.

If carbohydrate or total energy intake is too low, the body has the ability to use amino acids(from dietary or body proteins) to provide energy?
- A.
  
  True
- B.
  
  False
Correct Answer
A. True
14.

Once the amino acids are deaminated (or stripped of the amine group) the remaining carbon skeleton is used for the production of?
- A.
  
  Sucrose
- B.
  
  Glucose
- C.
  
  Glucose and ketones
- D.
  
  Amino acids
- E.
  
  Carbohydrates and fat
Correct Answer
C. Glucose and ketones
15.

Is ammonia, a toxic compound, converted to urea in the liver and excreted by the lungs?
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Urea is excreted by the kidneys.

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16.

Can protein be stored as fat?
- A.
  
  True
- B.
  
  False
Correct Answer
A. True
17.

Will consuming specially prepared high-BV proteins allow an individual who is already consuming adequate protein build muscle to a greater degree and more quickly?
- A.
  
  True
- B.
  
  False
Correct Answer
B. False
18.

What does NPU stand for?
- A.
  
  No protein utilized
- B.
  
  Net protein utilization
- C.
  
  New protein utilization
Correct Answer
B. Net protein utilization
19.

PER stands for protein efficiency ration?
- A.
  
  True
- B.
  
  False
Correct Answer
A. True
20.

Both anaerobic and aerobic exercise affect protein requirements in different ways.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

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Current Version
Mar 20, 2022

Quiz Edited by
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Dec 15, 2010

Quiz Created by
HeatherOta

Nutrition Pt-quiz 3

What are proteins?

Can essential amino acids be manufactured by the body?

There are eight essential amino acids that must be obtained from the food supply or some other exogenous source. Select four

The non-essential amino acids can be manufactured by the body using what?

Proteins are broken down into amino acids for the body to absorb. List three things the body uses protein or amino acids for.

As proteins enter the stomach for digestion, what acid uncoils or denatures the protein so that digestive enzymes can begin dismantling the peptide bonds?

In order for protein to be absorbed in the intestines, what organ besides the stomach aids in the breakdown of the amino acids into dipeptides, tripeptides, and singlular amino acids?

Once the HCl - hydrocholoric acid denatures the proteins what enzyme begins to cleave the proteins into smaller polypeptides and singular amino acids?

What is the name of the single celled epithelial cells found in the intestines?

The free form amino acids once in the bloodstream are released from the intestines to which organ through the blood supply?

Proteins cannot be used for potential energy by being stored as fat.

The brain and nervous system have a constant need for:

If carbohydrate or total energy intake is too low, the body has the ability to use amino acids(from dietary or body proteins) to provide energy?

Once the amino acids are deaminated (or stripped of the amine group) the remaining carbon skeleton is used for the production of?

Is ammonia, a toxic compound, converted to urea in the liver and excreted by the lungs?

Can protein be stored as fat?

Will consuming specially prepared high-BV proteins allow an individual who is already consuming adequate protein build muscle to a greater degree and more quickly?

What does NPU stand for?

PER stands for protein efficiency ration?

Both anaerobic and aerobic exercise affect protein requirements in different ways.