Question 1

Most foods contain a mixture of macronutrients (proteins, carbohydrates, and fats).

Accepted Answer

A) True 
 B)False

Question 2

The primary structure of a polypeptide determines how a protein will function.

Accepted Answer

A) True 
 B)False

Question 3

The amount of protein recommended daily for strength athletes is ____ per kg of body weight.

Accepted Answer

A)  0.8 to 1.0 g 
B)  1.2 to 1.4 g 
C)  1.2 to 1.7 g 
D)  more than 2.0 g 
A)  0.8 to 1.0 g 
B)  1.2 to 1.4 g 
C)  1.2 to 1.7 g 
D)  more than 2.0 g

Question 4

Make compelling arguments for and against the use of protein supplements by athletes.
Answer Key

Accepted Answer

There are compelling arguments both for

Question 5

What is nitrogen balance?

Accepted Answer

A)  The amount of muscle protein synthesized compared to the amount degraded. 
B)  The amount and rate of protein turnover. 
C)  The difference between nitrogen intake and loss. 
D)  The difference between the amount of protein absorbed and the amount incorporated into skeletal muscle. 
A)  The amount of muscle protein synthesized compared to the amount degraded. 
B)  The amount and rate of protein turnover. 
C)  The difference between nitrogen intake and loss. 
D)  The difference between the amount of protein absorbed and the amount incorporated into skeletal muscle.

Question 6

A food protein that contains all of the indispensable amino acids in the proper amounts and proportions to support growth is known as a(n) ____.

Accepted Answer

A)  complete protein 
B)  complementary protein 
C)  incomplete protein 
D)  indispensable protein 
A)  complete protein 
B)  complementary protein 
C)  incomplete protein 
D)  indispensable protein

Question 7

Polypeptides are synthesized on mitochondria.

Accepted Answer

A) True 
 B)False

Question 8

Based on physiological function, the type of athlete who would likely benefit the most from supplemental branched chain amino acids is a(n) ____.

Accepted Answer

A)  recreational athlete 
B)  body builder 
C)  ultraendurance athlete 
D)  "stop and go" athlete 
A)  recreational athlete 
B)  body builder 
C)  ultraendurance athlete 
D)  "stop and go" athlete

Question 9

Maximum protein synthesis takes place with an intake of _____ of high-quality protein post-exercise.

Accepted Answer

A)  an unknown quantity 
B)  15 grams 
C)  25 grams 
D)  30 grams 
A)  an unknown quantity 
B)  15 grams 
C)  25 grams 
D)  30 grams

Question 10

Which is a branched chain amino acid (BCAA)?

Accepted Answer

A)  Glycine 
B)  Isoleucine 
C)  Phenylalanine 
D)  Proline 
A)  Glycine 
B)  Isoleucine 
C)  Phenylalanine 
D)  Proline

Question 11

How do whey and casein differ?

Accepted Answer

A)  Whey is a milk protein; casein is a plant protein. 
B)  Each is comprised of different amino acids. 
C)  Whey has fewer kcal. 
D)  There is no difference. 
A)  Whey is a milk protein; casein is a plant protein. 
B)  Each is comprised of different amino acids. 
C)  Whey has fewer kcal. 
D)  There is no difference.

Question 12

According to the current body of scientific research, are glutamine supplements effective for reducing the number of infections in endurance athletes?

Accepted Answer

A)  There is strong evidence of effectiveness. 
B)  There is some evidence of effectiveness. 
C)  There is not enough evidence to conclusively state that they are effective. 
D)  There is no evidence of effectiveness. 
A)  There is strong evidence of effectiveness. 
B)  There is some evidence of effectiveness. 
C)  There is not enough evidence to conclusively state that they are effective. 
D)  There is no evidence of effectiveness.

Question 13

The quaternary (3rd level) structure of the protein determines its ____.

Accepted Answer

A)  function 
B)  shape 
C)  rigidity or stability 
D)  ability to bind with other compounds 
A)  function 
B)  shape 
C)  rigidity or stability 
D)  ability to bind with other compounds

Question 14

Which of the following is an example of a complete protein?

Accepted Answer

A)  Egg whites 
B)  Legumes 
C)  Whole grains 
D)  Vegetables 
A)  Egg whites 
B)  Legumes 
C)  Whole grains 
D)  Vegetables

Question 15

Glutamine is a dispensable amino acid under normal conditions but a(n) __________ amino acid under the physiological stress imposed by endurance exercise.

Accepted Answer

conditiona

Question 16

To achieve increased muscle size (hypertrophy), athletes must be in ____.

Accepted Answer

A)  negative nitrogen balance 
B)  negative net protein balance 
C)  positive nitrogen balance 
D)  protein imbalance 
A)  negative nitrogen balance 
B)  negative net protein balance 
C)  positive nitrogen balance 
D)  protein imbalance

Question 17

Dietary protein must be consumed daily because nitrogen is lost in __________ and __________.

Accepted Answer

urine fece

Question 18

Indispensible refers to amino acids that the body cannot manufacture.

Accepted Answer

A) True 
 B)False

Question 19

The amount of protein recommended daily for adults is ____.

Accepted Answer

A)  0.5 g/kg of body weight 
B)  0.8 g/kg of body weight 
C)  1.2 g/kg of body weight 
D)  1.4 g/kg of body weight 
A)  0.5 g/kg of body weight 
B)  0.8 g/kg of body weight 
C)  1.2 g/kg of body weight 
D)  1.4 g/kg of body weight

Question 20

Gastric juices denature proteins and cause a change in the ____.

Accepted Answer

A)  function 
B)  nitrogen content 
C)  structure 
D)  amino acid sequence 
A)  function 
B)  nitrogen content 
C)  structure 
D)  amino acid sequence

Most foods contain a mixture of macronutrients (proteins, carbohydrates, and fats).

The primary structure of a polypeptide determines how a protein will function.

The amount of protein recommended daily for strength athletes is ____ per kg of body weight.

Make compelling arguments for and against the use of protein supplements by athletes. Answer Key

What is nitrogen balance?

A food protein that contains all of the indispensable amino acids in the proper amounts and proportions to support growth is known as a(n) ____.

Polypeptides are synthesized on mitochondria.

Based on physiological function, the type of athlete who would likely benefit the most from supplemental branched chain amino acids is a(n) ____.

Maximum protein synthesis takes place with an intake of _____ of high-quality protein post-exercise.

Which is a branched chain amino acid (BCAA)?

How do whey and casein differ?

According to the current body of scientific research, are glutamine supplements effective for reducing the number of infections in endurance athletes?

The quaternary (3rd level) structure of the protein determines its ____.

Which of the following is an example of a complete protein?

Glutamine is a dispensable amino acid under normal conditions but a(n) __________ amino acid under the physiological stress imposed by endurance exercise.

To achieve increased muscle size (hypertrophy), athletes must be in ____.

Dietary protein must be consumed daily because nitrogen is lost in and .

Indispensible refers to amino acids that the body cannot manufacture.

The amount of protein recommended daily for adults is ____.

Gastric juices denature proteins and cause a change in the ____.

Introduction to Sports Nutrition

Defining and Measuring Energy

Energy Systems and Exercise

Carbohydrates

Fats

Water and Electrolytes

Vitamins

Minerals

Diet Planning: Food First, Supplements Second

Weight and Body Composition

Disordered Eating and Exercise Patterns in Athletes

Diet and Exercise for Lifelong Fitness and Health

Filters

Exam 5: Proteins

Most foods contain a mixture of macronutrients (proteins, carbohydrates, and fats).

The primary structure of a polypeptide determines how a protein will function.

The amount of protein recommended daily for strength athletes is ____ per kg of body weight.

Make compelling arguments for and against the use of protein supplements by athletes. Answer Key

What is nitrogen balance?

A food protein that contains all of the indispensable amino acids in the proper amounts and proportions to support growth is known as a(n) ____.

Polypeptides are synthesized on mitochondria.

Based on physiological function, the type of athlete who would likely benefit the most from supplemental branched chain amino acids is a(n) ____.

Maximum protein synthesis takes place with an intake of _____ of high-quality protein post-exercise.

Which is a branched chain amino acid (BCAA)?

How do whey and casein differ?

According to the current body of scientific research, are glutamine supplements effective for reducing the number of infections in endurance athletes?

The quaternary (3rd level) structure of the protein determines its ____.

Which of the following is an example of a complete protein?

Glutamine is a dispensable amino acid under normal conditions but a(n) __________ amino acid under the physiological stress imposed by endurance exercise.

To achieve increased muscle size (hypertrophy), athletes must be in ____.

Dietary protein must be consumed daily because nitrogen is lost in __________ and __________.

Indispensible refers to amino acids that the body cannot manufacture.

The amount of protein recommended daily for adults is ____.

Gastric juices denature proteins and cause a change in the ____.

Introduction to Sports Nutrition

Defining and Measuring Energy

Energy Systems and Exercise

Carbohydrates

Fats

Water and Electrolytes

Vitamins

Minerals

Diet Planning: Food First, Supplements Second

Weight and Body Composition

Disordered Eating and Exercise Patterns in Athletes

Diet and Exercise for Lifelong Fitness and Health

Filters

Dietary protein must be consumed daily because nitrogen is lost in and .