Question 1

According to dietary recommendations, what percentage of your total daily energy intake should come from protein?

Accepted Answer

$$10\% - 15\%$$

Question 2

Which of the following is NOT a function of proteins in the human body?

Accepted Answer

Storing genetic information in the nucleus

Question 3

A patient with a protein-deficient diet is most likely to experience which of the following symptoms first?

Accepted Answer

Loss of muscle mass

Question 4

Which of the following best describes the process of deamination?

Accepted Answer

The removal of an amino group from a protein, which is then converted to urea and excreted

Question 5

Which of the following is a protein that provides immunity by binding to and neutralizing harmful substances?

Accepted Answer

Antibody

Question 6

If a person is not consuming enough carbohydrates or fats, how does the body use protein for energy?

Accepted Answer

Proteins are converted directly into glucose through gluconeogenesis

Question 7

Which of the following is an example of a protein acting as a hormone?

Accepted Answer

Insulin regulating blood glucose levels

Question 8

A person with a diet very high in carbohydrates and fats but low in protein may experience which of the following?

Accepted Answer

Impaired immune function and increased susceptibility to disease

Question 9

Which of the following statements about protein metabolism is TRUE?

Accepted Answer

Deamination is necessary before amino acids can be used for energy

Question 10

Which of the following is a structural protein found in skin, bones, and connective tissue?

Accepted Answer

Collagen

Question 11

Which of the following best describes the role of proteins as buffers in the body?

Accepted Answer

They help maintain the pH of body fluids by accepting or donating hydrogen ions

Question 12

Which of the following is an example of a protein acting as a transporter in the blood?

Accepted Answer

Hemoglobin carrying oxygen

Question 13

Which of the following is a correct sequence for the use of amino acids for energy in the body?

Accepted Answer

Deamination $$\rightarrow$$ Conversion to glucose $$\rightarrow$$ Energy production

Question 14

Which of the following is NOT a reason why proteins are needed in the diet?

Accepted Answer

To store genetic information

Question 15

Which of the following is a correct example of a protein acting as a chemical messenger?

Accepted Answer

Glucagon signaling the liver to release glucose

Question 16

Which of the following is a possible consequence of severe protein deficiency in children?

Accepted Answer

Kwashiorkor

Question 17

Which of the following best explains why proteins are considered a 'last-resort' energy source?

Accepted Answer

Proteins are only used for energy when carbohydrates and fats are insufficient

Question 18

Which of the following is an example of a protein providing mechanical support in the body?

Accepted Answer

Collagen in tendons and ligaments

Question 19

Which of the following is a correct statement about the role of proteins in fluid balance?

Accepted Answer

Proteins help maintain fluid balance by attracting water into the blood vessels

Question 20

Which of the following is a protein that acts as a catalyst to speed up chemical reactions in the body?

Accepted Answer

Enzyme

Proteins: Crucial Components of All Body Tissues

Study Guide - Practice Questions