Question 1

Early studies did not show a positive effect of blood doping because

Accepted Answer

A) too much blood was given to the subject. 
B) a significant portion of the red blood cells were destroyed during storage of the blood. 
C) the subject could not tolerate the additional blood. 
D) the measurements of exercise performance were not accurate. 
A) too much blood was given to the subject. 
B) a significant portion of the red blood cells were destroyed during storage of the blood. 
C) the subject could not tolerate the additional blood. 
D) the measurements of exercise performance were not accurate. B

Question 2

The recommended intensity of warm-up exercise (5-10 minutes)for endurance activities is:

Accepted Answer

A) 40%-50% VO2 max. 
B) 60%-70% VO2 max. 
C) at 90% race pace. 
D) at 100% race pace. 
A) 40%-50% VO2 max. 
B) 60%-70% VO2 max. 
C) at 90% race pace. 
D) at 100% race pace. B

Question 3

Blood buffers,used to improve anaerobic performances,exert their effect by

Accepted Answer

A) slowing the rate of decrease of creatine phosphate. 
B) slowing the rate of increase in plasma H+ and thus,maintaining pH homeostasis. 
C) altering the rate at which oxygen leaves the hemoglobin. 
D) decreasing the rate at which H+ leaves muscle. 
A) slowing the rate of decrease of creatine phosphate. 
B) slowing the rate of increase in plasma H+ and thus,maintaining pH homeostasis. 
C) altering the rate at which oxygen leaves the hemoglobin. 
D) decreasing the rate at which H+ leaves muscle. B

Question 4

Dehydroxyepiandrosterone (DHEA)is claimed to improve muscle mass and strength because it

Accepted Answer

A) is a precursor to testosterone. 
B) is an antioxidant that reduces muscle damage during exercise training. 
C) enhances fat use. 
D) increases anaerobic power. 
A) is a precursor to testosterone. 
B) is an antioxidant that reduces muscle damage during exercise training. 
C) enhances fat use. 
D) increases anaerobic power.

Question 5

The ergogenic effect of caffeine

Accepted Answer

A) is dose dependent (i.e,depends upon on the amount of caffeine ingested). 
B) does not vary between individuals. 
C) is influenced by gender. 
D) is due to a decrease in fat metabolism. 
A) is dose dependent (i.e,depends upon on the amount of caffeine ingested). 
B) does not vary between individuals. 
C) is influenced by gender. 
D) is due to a decrease in fat metabolism.

Question 6

Which of the following beverages contain the most caffeine?

Accepted Answer

A) energy drinks (e.g. ,Red Bull) 
B) tea 
C) coffee 
D) most soft drinks (e.g. ,colas) 
A) energy drinks (e.g. ,Red Bull) 
B) tea 
C) coffee 
D) most soft drinks (e.g. ,colas)

Question 7

The term "hematological passport" refers to a systematic approach used to identify athletes that are using "doping" procedures to increase their oxygen transport capacity.

Accepted Answer

A) True 
 B)False

Question 8

Amphetamines may improve endurance performance by

Accepted Answer

A) decreasing the use of plasma FFA as a fuel source. 
B) masking signs of fatigue. 
C) decreasing arousal. 
D) increasing lactic acid removal. 
A) decreasing the use of plasma FFA as a fuel source. 
B) masking signs of fatigue. 
C) decreasing arousal. 
D) increasing lactic acid removal.

Question 9

Although the drug erythropoietin can increase endurance performance by increasing the transport of oxygen,it can also impair blood flow if hemoglobin concentrations reach high levels.

Accepted Answer

A) True 
 B)False

Question 10

The ingestion of sodium bicarbonate has been shown to benefit

Accepted Answer

A) exercise tasks lasting less than one minute in duration. 
B) high-intensity exercise tasks lasting longer than one hour. 
C) high-intensity exercise tasks lasting one to ten minutes. 
D) None of the above answers are correct 
A) exercise tasks lasting less than one minute in duration. 
B) high-intensity exercise tasks lasting longer than one hour. 
C) high-intensity exercise tasks lasting one to ten minutes. 
D) None of the above answers are correct

Question 11

Oxygen has been shown to be an effective ergogenic aid when the O2

Accepted Answer

A) can be breathed during an endurance exercise. 
B) is used before endurance exercise. 
C) is used in recovery from endurance exercise. 
D) breathed prior to a football game 
A) can be breathed during an endurance exercise. 
B) is used before endurance exercise. 
C) is used in recovery from endurance exercise. 
D) breathed prior to a football game

Question 12

Including a placebo in a research design to study ergogenic aids helps control for

Accepted Answer

A) differences in the training state of the subjects. 
B) the gender of the subjects. 
C) investigator bias. 
D) the subject's belief that the substance tested is an ergogenic aid. 
A) differences in the training state of the subjects. 
B) the gender of the subjects. 
C) investigator bias. 
D) the subject's belief that the substance tested is an ergogenic aid.

Question 13

High circulating levels of catecholamines can:

Accepted Answer

A) activate adenylate cyclase 
B) activate cyclic AMP 
C) inhibit phospodiesterase 
D) Both A and B answers are correct 
A) activate adenylate cyclase 
B) activate cyclic AMP 
C) inhibit phospodiesterase 
D) Both A and B answers are correct

Question 14

the term homologous transfusion means that the subject received

Accepted Answer

A) his own blood. 
B) a matched donor's blood. 
C) artificial blood. 
D) None of the above answers are correct 
A) his own blood. 
B) a matched donor's blood. 
C) artificial blood. 
D) None of the above answers are correct

Question 15

Amphetamines appear to have a positive effect on exercise performance in those who are alert and motivated.

Accepted Answer

A) True 
 B)False

Question 16

The effects of creatine monohydrate supplementation are most evident during the first of many repetitive bouts of short and intense exercise.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following changes would account for the greatest potential reduction in aerodynamic drag during a cycling competition?

Accepted Answer

A) using an aerodynamic bicycle frame 
B) switching to a flat-disc rear wheel 
C) adopting a lower riding position 
D) wearing Lycra shorts and jersey 
A) using an aerodynamic bicycle frame 
B) switching to a flat-disc rear wheel 
C) adopting a lower riding position 
D) wearing Lycra shorts and jersey

Question 18

The Dietary Supplements Health and Education Act passed in 1994 ensures that all dietary supplements are tested for purity.

Accepted Answer

A) True 
 B)False

Question 19

How many units of blood are shown to have a positive effect when reinfused in a subject via blood doping?

Accepted Answer

A) 0.5 
B) 1 
C) 1.5 
D) 2 
A) 0.5 
B) 1 
C) 1.5 
D) 2

Exam 26: Ergogenic Aids

Early studies did not show a positive effect of blood doping because

The recommended intensity of warm-up exercise (5-10 minutes)for endurance activities is:

Blood buffers,used to improve anaerobic performances,exert their effect by

Dehydroxyepiandrosterone (DHEA)is claimed to improve muscle mass and strength because it

The ergogenic effect of caffeine

Which of the following beverages contain the most caffeine?

The term "hematological passport" refers to a systematic approach used to identify athletes that are using "doping" procedures to increase their oxygen transport capacity.

Amphetamines may improve endurance performance by

Although the drug erythropoietin can increase endurance performance by increasing the transport of oxygen,it can also impair blood flow if hemoglobin concentrations reach high levels.

The ingestion of sodium bicarbonate has been shown to benefit

Oxygen has been shown to be an effective ergogenic aid when the O2

Including a placebo in a research design to study ergogenic aids helps control for

High circulating levels of catecholamines can:

the term homologous transfusion means that the subject received

Amphetamines appear to have a positive effect on exercise performance in those who are alert and motivated.

The effects of creatine monohydrate supplementation are most evident during the first of many repetitive bouts of short and intense exercise.

Which of the following changes would account for the greatest potential reduction in aerodynamic drag during a cycling competition?

The Dietary Supplements Health and Education Act passed in 1994 ensures that all dietary supplements are tested for purity.

How many units of blood are shown to have a positive effect when reinfused in a subject via blood doping?

Introduction to Exercise Physiology

A: Common Measurements in Exercise Physiology

B: Common Measurements in Exercise Physiology

Control of the Internal Environment

Bioenergetics

Exercise Metabolism

Cell Signaling and Hormonal Response to Exercise

Exercise and the Immune System

The Nervous System: Structure and Control of Movement

Skeletal Muscle: Structure and Function

Circulatory Responses to Exercise

Respiration During Exercise

Acid-Base Balance

Temperature Regulation

Physiology of Training: Effect on Vo2 Max, Performance, and Strength

Preventing Chronic Disease: Physical Activity and Healthy Eating

Work Tests to Evaluate Cardiorespiratory Fitness

Exercise Prescriptions for Health and Fitness

Exercise Prescriptions for Health and Fitness

Nutrition and Body Composition for Health

Factors Affecting Performance

Laboratory Assessment of Human Performance

Training for Performance

Training for the Female Athlete, Children, Special Populations, and the Masters Athlete

Nutrition, Body Composition, and Performance

Exercise and the Environment

Filters

Oxygen has been shown to be an effective ergogenic aid when the O₂