WGU D440 Chapter 4 Proteins Practice Examination
(2026/2027 Edition) | Complete Review Guide | Practice
Questions with Worked Examples
The following 3 enzymes produced by the pancreas continue breaking down proteins
until they are small enough for absorption correct answer
Trypsin, chymotrypsin, carboxypeptidase pg. 50
Glands in the intestinal wall produce the following 2 protein-splitting enzymes correct
answer
Aminopeptidase, dipeptidase pg. 51
How does protein assist in the body's defense against disease correct answer
By helping produce lymphocytes
After a piece of grilled chicken is partially digested in the stomach, it eventually reaches
the small intestine, where it is digested by which of the following enzymes secreted by
the pancreas correct answer
chymotrypsin, trypsin, carboxypeptidase pg. 50
Proteins are mostly absorbed as correct answer
amino acids
Pepsinogen secreted by the gastric cells is converted into pepsin by correct answer
hydrochloric acid
, Protein catabolism is increased in conditions such as correct answer
illness or disease
The phase of metabolism that makes growth and repair possible is correct answer
anabolism
A protein-digesting enzyme found in the stomach rather than in pancreatic secretions is
correct answer
pepsin
The enzyme trypsin is activated by the enzyme correct answer
enterokinase secreted by the intestinal cells
The enzymes aminopeptidase and dipeptidase are secreted by the correct answer
small intestine
Complementary proteins have what benefit correct answer
Provide higher quality protein when eaten together.
____ are the highest quality protein and carry a chemical score of 100.
Eggs
(2026/2027 Edition) | Complete Review Guide | Practice
Questions with Worked Examples
The following 3 enzymes produced by the pancreas continue breaking down proteins
until they are small enough for absorption correct answer
Trypsin, chymotrypsin, carboxypeptidase pg. 50
Glands in the intestinal wall produce the following 2 protein-splitting enzymes correct
answer
Aminopeptidase, dipeptidase pg. 51
How does protein assist in the body's defense against disease correct answer
By helping produce lymphocytes
After a piece of grilled chicken is partially digested in the stomach, it eventually reaches
the small intestine, where it is digested by which of the following enzymes secreted by
the pancreas correct answer
chymotrypsin, trypsin, carboxypeptidase pg. 50
Proteins are mostly absorbed as correct answer
amino acids
Pepsinogen secreted by the gastric cells is converted into pepsin by correct answer
hydrochloric acid
, Protein catabolism is increased in conditions such as correct answer
illness or disease
The phase of metabolism that makes growth and repair possible is correct answer
anabolism
A protein-digesting enzyme found in the stomach rather than in pancreatic secretions is
correct answer
pepsin
The enzyme trypsin is activated by the enzyme correct answer
enterokinase secreted by the intestinal cells
The enzymes aminopeptidase and dipeptidase are secreted by the correct answer
small intestine
Complementary proteins have what benefit correct answer
Provide higher quality protein when eaten together.
____ are the highest quality protein and carry a chemical score of 100.
Eggs
