Practice Questions with A+ Answers | Final Exam
Guide FOR 2025/2026 (the most recent quizzes)
What is NOT one of the beneficial characteristics of a vegetarian diet? - It provides more
saturated fat.
Which of the following food categories contributes to an abundance of high-quality protein? -
Milk and meat
Who would benefit most from eating a variety of protein foods so that amino acids that are low
in some foods will be supplied by the others? - a vegan
An athlete consumes large amounts of meat in an effort to build extra muscle tissue. Identify
the correct statement about the effect of excess consumption of meat - The body utilizes
excess amino acids as fuel or stores them as fat.
The best way to ensure adequate absorption of dietary iron when consuming soy products is to:
- b. include vitamin C-rich foods because they enhance the absorption of iron
Which amino acids cannot be synthesized in amounts sufficient to meet physiological needs? -
essential amino acids
What contains enzymes that split peptide strands into tripeptides, dipeptides, and amino acids?
It is also where amino acids are absorbed. - small intestine
Which of the following helps protect the stomach lining from the action of strong hydrochloric
acid produced in the stomach? - A coat of mucus
Under normal circumstances, healthy adults are in __________. - nitrogen equilibrium
When amino acids are degraded for energy, their amine groups are stripped off and
incorporated by the liver into _____ and sent to the kidneys for excretion. - urea
Digestion of food proteins in the stomach is carried out by the enzyme pepsin, which is
activated in the presence of __________. This enzyme reaction attacks food protein's
__________. - gastric acid; peptide bonds
An adolescent girl has decided to adhere to a vegan diet. Her lunch consists of a tossed green
salad that contains celery, tomatoes, cucumbers, and onions; whole-wheat crackers; and apple
, juice. What comment would you make about her complementary protein choices? - She
should add garbanzo beans to her salad to obtain the protein combination she requires.
Proteins can be denatured by all of the following EXCEPT __________. - freezing
What is an important function of the amino acid tyrosine? - It is used to make the brown
pigment melanin.
Cells will do all of the following to create their own working proteins from available amino acids
except: - hold partially completed proteins until the diet provides the missing amino acids
____are proteins that can chemically change the shape of other substances, such as during
digestion. Heat can______ a protein, making it non-functional. Different proteins, such as _____
, can transport oxygen via blood. Other proteins, _____ , act as glue between the cells. -
enzymes, denature, hemoglobin, collagen
Amino acids are needed each day to support the new growth and maintenance of cells because
there is a continuous breakdown and synthesis of proteins within the body called __________. -
protein turnover
The most easily digestible form of protein can be found in which of the following foods? -
eggs
Proteins attract water and hold it within blood vessels, preventing it from freely flowing into the
spaces between the cells. This is an example of how protein is used for: - maintaining
fluid and electrolyte balance
Which of the following foods is not included in a lacto-ovo vegetarian diet? - fish
In making recommendations for protein intake, the DRI committee took into consideration that
the protein in a normal diet would be: - a combination of animal and plant sources
Which protein-rich food would be a good source of calcium for vegetarians? - almonds
Approximately the same amount of protein is provided by each of the following foods, which
are all cooked or ready to eat: ½ cup legumes; 1½ cups broccoli; 1 oz cheese; and 2 T peanut
butter. Which of these would be the most nutrient-dense food choice for protein? - 1½
cups broccoli (82 cal)
Which of the following statements is true of a vegan diet? - e. Vegan children may not
consume enough plant sources of protein to build bone and muscle tissue.