Chapter 4: Proteins

Chapter 4: Proteins

 

Complete Chapter Questions With Answers

 

Sample Questions Are Posted Below

 

MULTIPLE CHOICE

 

1. Proteins are built from simpler organic compounds called

a.	indispensable amino acids.
b.	amino acids.
c.	fatty acids.
d.	monosaccharides.

 

 

ANS:  B

All proteins are made of building block units called amino acids. Proteins are made from both dispensable and indispensable amino acids.

 

DIF:    Cognitive Level: Knowledge            REF:   47                  TOP:   Nursing Process: Planning

MSC:  NCLEX: Physiological Integrity: Physiological Adaptation

 

2. The element that is contained in proteins but not in carbohydrates or lipids is

a.	carbon.
b.	hydrogen.
c.	nitrogen.
d.	oxygen.

 

 

ANS:  C

Nitrogen is present in proteins but not in carbohydrates or lipids. Amino acids, the building blocks of protein, are named for their chemical structure; amino refers to compounds containing nitrogen.

 

DIF:    Cognitive Level: Knowledge            REF:   47                  TOP:   Nursing Process: Planning

MSC:  NCLEX: Physiological Integrity: Physiological Adaptation

 

3. Two types of protein in the body are _____ protein and _____ protein.

a.	complete, incomplete
b.	animal, vegetable
c.	dispensable, indispensable
d.	tissue, plasma

 

 

ANS:  D

Two types of protein in the body are tissue and plasma protein. Amino acids are classified as indispensable, dispensable, or conditionally indispensable in the diet according to whether the body can make them.

 

DIF:    Cognitive Level: Comprehension     REF:   49                  TOP:   Nursing Process: Planning

MSC:  NCLEX: Physiological Integrity: Physiological Adaptation

 

4. The number of amino acids that are indispensable for human beings is

a.	6.
b.	9.
c.	11.
d.	14.

 

 

ANS:  B

Nine amino acids are classified as indispensable amino acids because the body cannot manufacture them in sufficient quantity or at all.

 

DIF:    Cognitive Level: Knowledge            REF:   48|51              TOP:   Nursing Process: Planning

MSC:  NCLEX: Physiological Integrity: Physiological Adaptation

 

5. In the diet, the greatest proportion of indispensable amino acids is provided by

a.	black beans.
b.	peanuts.
c.	safflower oil.
d.	turkey.

 

 

ANS:  D

Indispensable amino acids are provided mostly by high-protein animal products.

 

DIF:    Cognitive Level: Application           REF:   51                  TOP:   Nursing Process: Planning

MSC:   NCLEX: Physiological Integrity: Physiological Adaptation