HEA 254 Chapter 5 Reading Quiz

What type of bond is formed between the amino acids of proteins?

• Peptide

• Condensation

• Essential

• Catabolic

• None of these is correct.

Which of the following is a chemical process that results in the formation of water?

• Dehydration

• Condensation

• Matriculation

• Substitution

• None of these is correct.

Which of the following is true of amino acids?

• Essential amino acids are produced by the body.

• Conditionally essential amino acids become essential under unusual circumstances.

• Nonessential amino acids are not needed to make proteins, and thus serve little purpose in the body.

• There are 11 essential amino acids.

• All of these are correct.

A polypeptide has how many amino acids?

• 2

• 3

• 10

• More than 10

Which of the following is not a function of proteins in the body?

• They help maintain the body’s fluid balance.

• They are a major source of energy during exercise.

• They make up the majority of many body tissues.

• They play a role in immune functioning.

• They help control the acidity of body fluids.

Which of the following is true if an athlete is in a state of positive nitrogen balance?

• Their protein consumption is greater than their protein breakdown in the body.

• Their protein consumption is less than their protein excretion.

• Their protein consumption equals their protein excretion.

• It indicates that lean body tissue is being broken down by the body.

• None of these is correct.

Jill is a 115-pound marathoner who is training hard for her next race. She is concerned about her protein intake and has come to you for help. Which of the following would be a prudent recommendation regarding protein intake?

• Jill should consume approximately 35–40% of her total daily calories from proteins.

• Jill doesn’t really need to concern herself with protein intake because she is an endurance athlete.

• Jill should buy a good protein supplement and supplement her diet three times per day.

• Jill should try to consume at least 62 grams of protein per day.

• All of these are correct.

Which of the following dietary and training factors does not affect protein recommendations?

• Quality of dietary protein

• Exercise intensity and duration

• Carbohydrate availability

• Gender

• Age

John is a soccer player who is trying to gain weight during the off-season. His total daily caloric intake is 3,500 calories. Currently, he is consuming, on average, about 100 grams of protein per day. Approximately what percent of his daily calories are coming from protein?

• 45%

• 25%

• 11%

• 5%

• 32%

Jacob is a healthy, active 14-year-old boy. Recently, he began to experience a growth spurt. Based on this information, his body is in:

• positive nitrogen balance

• activated nitrogen balance

• nitrogen balance

• negative nitrogen balance