Question 1

Cold acclimatization results in an improved ability to sleep in a cold environment.

Accepted Answer

A) True 
 B)False

Question 2

The body's thermostat is located in the

Accepted Answer

A) cerebellum. 
B) brain stem. 
C) hypothalamus. 
D) thalamus. 
A) cerebellum. 
B) brain stem. 
C) hypothalamus. 
D) thalamus.

Question 3

In response to a decrease in body temperature,humans often exhibit ____________ upon response to cold.

Accepted Answer

A) peripheral vasodilation 
B) peripheral vasoconstriction 
C) shivering 
D) both B and C are correct 
A) peripheral vasodilation 
B) peripheral vasoconstriction 
C) shivering 
D) both B and C are correct

Question 4

Prolonged exercise results in a significant increase in body core temperature.Calculate the increase in body core temperature during exercise given the following: Total energy expenditure during exercise = 600 Kcal
Exercise efficiency = 20%
Total heat stored during exercise = 192 Kcal
Subject body weight = 60 Kg
Amount of heat required to increase body temperature by 1$\degree$C = 0.83 kcal/kg
Therefore,the total increase in body temperature following exercise would be:

Accepted Answer

A) 1.86 $\degree$C 
B) 2.86 $\degree$C 
C) 3.86 $\degree$C 
D) 4.86 $\degree$C 
A) 1.86 $\degree$C 
B) 2.86 $\degree$C 
C) 3.86 $\degree$C 
D) 4.86 $\degree$C

Question 5

The primary adaptations that occur during heat acclimatization are

Accepted Answer

A) a decreased plasma volume,earlier onset of sweating,and higher sweat rate. 
B) an increased plasma volume and lower sweat rate. 
C) an increased plasma volume,earlier onset of sweating,and a higher sweat rate. 
D) a decreased plasma volume,earlier onset of sweating,and a lower sweat rate. 
A) a decreased plasma volume,earlier onset of sweating,and higher sweat rate. 
B) an increased plasma volume and lower sweat rate. 
C) an increased plasma volume,earlier onset of sweating,and a higher sweat rate. 
D) a decreased plasma volume,earlier onset of sweating,and a lower sweat rate.

Question 6

The higher the relative humidity,the __________ vapor pressure gradient between the skin and the environment.

Accepted Answer

A) higher 
B) lower 
C) No relationship exists between relative humidity and vapor pressure. 
D) None of the above answers are correct 
A) higher 
B) lower 
C) No relationship exists between relative humidity and vapor pressure. 
D) None of the above answers are correct

Question 7

Calculate the total evaporation of sweat necessary to prevent heat gain in the body given the following information: Total body energy expenditure = 250 Kcal
Exercise efficacy = 20%
Evaporation of 1000 ml of sweat results in 580 Kcal of heat loss
Therefore,the total evaporation of sweat necessary to prevent body heat gain in these conditions is:

Accepted Answer

A) 0.276 liters 
B) 0.344 liters 
C) 0.166 liters 
D) None of the above answers are correct 
A) 0.276 liters 
B) 0.344 liters 
C) 0.166 liters 
D) None of the above answers are correct

Question 8

During exercise in a hot and humid environment,heat loss via evaporation is decreased compared to exercise in a cool and low humidity environment.

Accepted Answer

A) True 
 B)False

Question 9

Humans and other animals that maintain a rather constant body temperature are called

Accepted Answer

A) cold-blooded animals 
B) homeotherms 
C) poiklotherms 
D) None of the above answers are correct 
A) cold-blooded animals 
B) homeotherms 
C) poiklotherms 
D) None of the above answers are correct

Question 10

Individuals with a high percentage of body fat have an advantage over lean individuals in tolerance to cold.

Accepted Answer

A) True 
 B)False

Question 11

Exercise performance in endurance events is impaired in a hot and humid environment.Which of the following physiological factors does NOT have a negative impact on exercise performance in a hot and humid environment?

Accepted Answer

A) accelerated muscle fatigue 
B) cardiovascular dysfunction 
C) respiratory dysfunction 
D) central nervous system dysfunction 
A) accelerated muscle fatigue 
B) cardiovascular dysfunction 
C) respiratory dysfunction 
D) central nervous system dysfunction

Question 12

At high environmental temperatures,which of the following variables impact the amount of heat loss by evaporation ?

Accepted Answer

A) convective currents. 
B) ambient temperature and relative humidity. 
C) amount of exposed skin. 
D) all of the above answers are correct. 
A) convective currents. 
B) ambient temperature and relative humidity. 
C) amount of exposed skin. 
D) all of the above answers are correct.

Question 13

Heat acclimatization occurs generally within

Accepted Answer

A) 1 to 2 days. 
B) less than 7 days. 
C) 7 to 14 days. 
D) 15 to 30 days. 
A) 1 to 2 days. 
B) less than 7 days. 
C) 7 to 14 days. 
D) 15 to 30 days.

Question 14

During exercise,body temperature is regulated by making adjustments in the amount of heat that is lost.

Accepted Answer

A) True 
 B)False

Question 15

Compared to exercise in a cool environment,prolonged exercise in the heat

Accepted Answer

A) decreases the production of free radicals in the working muscles. 
B) increases muscle blood flow. 
C) decreases muscle lactate production. 
D) results in a more rapid onset of muscular fatigue. 
A) decreases the production of free radicals in the working muscles. 
B) increases muscle blood flow. 
C) decreases muscle lactate production. 
D) results in a more rapid onset of muscular fatigue.

Cold acclimatization results in an improved ability to sleep in a cold environment.

The body's thermostat is located in the

In response to a decrease in body temperature,humans often exhibit ____________ upon response to cold.

The primary adaptations that occur during heat acclimatization are

The higher the relative humidity,the __________ vapor pressure gradient between the skin and the environment.

During exercise in a hot and humid environment,heat loss via evaporation is decreased compared to exercise in a cool and low humidity environment.

Humans and other animals that maintain a rather constant body temperature are called

Individuals with a high percentage of body fat have an advantage over lean individuals in tolerance to cold.

Exercise performance in endurance events is impaired in a hot and humid environment.Which of the following physiological factors does NOT have a negative impact on exercise performance in a hot and humid environment?

At high environmental temperatures,which of the following variables impact the amount of heat loss by evaporation ?

Heat acclimatization occurs generally within

During exercise,body temperature is regulated by making adjustments in the amount of heat that is lost.

Compared to exercise in a cool environment,prolonged exercise in the heat

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

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

Ergogenic Aids

Filters

Exam 13: Temperature Regulation

Cold acclimatization results in an improved ability to sleep in a cold environment.

The body's thermostat is located in the

In response to a decrease in body temperature,humans often exhibit ____________ upon response to cold.

The primary adaptations that occur during heat acclimatization are

The higher the relative humidity,the __________ vapor pressure gradient between the skin and the environment.

During exercise in a hot and humid environment,heat loss via evaporation is decreased compared to exercise in a cool and low humidity environment.

Humans and other animals that maintain a rather constant body temperature are called

Individuals with a high percentage of body fat have an advantage over lean individuals in tolerance to cold.

Exercise performance in endurance events is impaired in a hot and humid environment.Which of the following physiological factors does NOT have a negative impact on exercise performance in a hot and humid environment?

At high environmental temperatures,which of the following variables impact the amount of heat loss by evaporation ?

Heat acclimatization occurs generally within

During exercise,body temperature is regulated by making adjustments in the amount of heat that is lost.

Compared to exercise in a cool environment,prolonged exercise in the heat

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

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

Ergogenic Aids

Filters