Question 1

When environmental air temperature exceeds skin temperature,

Accepted Answer

A)  heat is lost by the body through convection and/or radiation. 
B)  the sweat rate decreases. 
C)  the sweat rate increases. 
D)  heat is gained by the body through conduction. 
A)  heat is lost by the body through convection and/or radiation. 
B)  the sweat rate decreases. 
C)  the sweat rate increases. 
D)  heat is gained by the body through conduction.

Question 2

The term that describes the potential loss of heat due to cold air and air movement is

Accepted Answer

A)  hypothermia. 
B)  frostbite. 
C)  wind chill. 
A)  hypothermia. 
B)  frostbite. 
C)  wind chill.

Question 3

The PO2 decreases with increasing altitude because of the

Accepted Answer

A)  lower percent of oxygen in the air. 
B)  lower barometric pressure. 
C)  higher percent of carbon dioxide in the air. 
D)  higher percent of nitrogen in the air. 
A)  lower percent of oxygen in the air. 
B)  lower barometric pressure. 
C)  higher percent of carbon dioxide in the air. 
D)  higher percent of nitrogen in the air.

Question 4

If maximal exercise is conducted at 21,000 feet altitude, VO2 max may be lower due to an actual reduction in maximal heart rate.

Accepted Answer

A) True 
 B)False

Question 5

The term that denotes an inspired PO2 that is greater than that at sea level is

Accepted Answer

A)  hypoxia. 
B)  hyperoxia. 
C)  normoxia. 
D)  superoxia. 
A)  hypoxia. 
B)  hyperoxia. 
C)  normoxia. 
D)  superoxia.

Question 6

Compared to the value measured at sea level, when a subject works at the same work rate at 3,000 meters altitude, the heart rate is

Accepted Answer

A)  higher. 
B)  lower. 
C)  the same. 
D)  dependent on the conditioning state of the subject. 
A)  higher. 
B)  lower. 
C)  the same. 
D)  dependent on the conditioning state of the subject.

Question 7

Wind speed affects environmental temperature.

Accepted Answer

A) True 
 B)False

Question 8

The lactate paradox refers to the increase in production of lactate during hyperoxic conditions.

Accepted Answer

A) True 
 B)False

Question 9

Some athletes experience a larger-than-expected decrease in VO2 max when tested at altitude. This may be due to

Accepted Answer

A)  a larger desaturation of hemoglobin. 
B)  a greater decrease in maximal heart rate. 
C)  a greater decrease in maximal stroke volume. 
D)  poor mitochondrial function. 
A)  a larger desaturation of hemoglobin. 
B)  a greater decrease in maximal heart rate. 
C)  a greater decrease in maximal stroke volume. 
D)  poor mitochondrial function.

Question 10

Pulmonary ventilation is higher at altitude than at sea level for any work rate. This is necessary due to the

Accepted Answer

A)  colder air. 
B)  lower air density. 
C)  lower O2 percentage. 
D)  increased viscosity of the air. 
A)  colder air. 
B)  lower air density. 
C)  lower O2 percentage. 
D)  increased viscosity of the air.

Question 11

Which of the following range of values represents "good" air quality as indicated by the Air Quality Index (AQI)?

Accepted Answer

A)  0-50 
B)  51-100 
C)  101-150 
D)  151-200 
A)  0-50 
B)  51-100 
C)  101-150 
D)  151-200

When environmental air temperature exceeds skin temperature,

The term that describes the potential loss of heat due to cold air and air movement is

The PO₂ decreases with increasing altitude because of the

If maximal exercise is conducted at 21,000 feet altitude, VO₂ max may be lower due to an actual reduction in maximal heart rate.

The term that denotes an inspired PO₂ that is greater than that at sea level is

Compared to the value measured at sea level, when a subject works at the same work rate at 3,000 meters altitude, the heart rate is

Wind speed affects environmental temperature.

The lactate paradox refers to the increase in production of lactate during hyperoxic conditions.

Some athletes experience a larger-than-expected decrease in VO₂ max when tested at altitude. This may be due to

Pulmonary ventilation is higher at altitude than at sea level for any work rate. This is necessary due to the

Which of the following range of values represents "good" air quality as indicated by the Air Quality Index (AQI)?

Introduction to Exercise Physiology

Common Measurements in Exercise Physiology

Control of the Internal Environment

Bioenergetics

Exercise Metabolism

Cell Signaling and the Hormonal Responses 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 During Exercise

Temperature Regulation

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

Risk Factors and Inflammation: Links to Chronic Disease

Exercise Prescriptions for Health and Fitness

Exercise for Special Populations

Body Composition and Nutrition 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

Ergogenic Aids

Filters

Exam 24: Exercise and the Environment

When environmental air temperature exceeds skin temperature,

The term that describes the potential loss of heat due to cold air and air movement is

The PO2 decreases with increasing altitude because of the

If maximal exercise is conducted at 21,000 feet altitude, VO2 max may be lower due to an actual reduction in maximal heart rate.

The term that denotes an inspired PO2 that is greater than that at sea level is

Compared to the value measured at sea level, when a subject works at the same work rate at 3,000 meters altitude, the heart rate is

Wind speed affects environmental temperature.

The lactate paradox refers to the increase in production of lactate during hyperoxic conditions.

Some athletes experience a larger-than-expected decrease in VO2 max when tested at altitude. This may be due to

Pulmonary ventilation is higher at altitude than at sea level for any work rate. This is necessary due to the

Which of the following range of values represents "good" air quality as indicated by the Air Quality Index (AQI)?

Introduction to Exercise Physiology

Common Measurements in Exercise Physiology

Control of the Internal Environment

Bioenergetics

Exercise Metabolism

Cell Signaling and the Hormonal Responses 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 During Exercise

Temperature Regulation

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

Risk Factors and Inflammation: Links to Chronic Disease

Exercise Prescriptions for Health and Fitness

Exercise for Special Populations

Body Composition and Nutrition 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

Ergogenic Aids

Filters

The PO₂ decreases with increasing altitude because of the

If maximal exercise is conducted at 21,000 feet altitude, VO₂ max may be lower due to an actual reduction in maximal heart rate.

The term that denotes an inspired PO₂ that is greater than that at sea level is

Some athletes experience a larger-than-expected decrease in VO₂ max when tested at altitude. This may be due to