Question 1

Compared to the heart rate 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. A

Question 2

Which of the following terms describes the most serious form of heat illnesses?

Accepted Answer

A) heat cramps 
B) heat exhaustion 
C) heat stroke 
D) heat syncope 
A) heat cramps 
B) heat exhaustion 
C) heat stroke 
D) heat syncope C

Question 3

The thermal conductivity of water is about ________greater than air.

Accepted Answer

A) 10 
B) 15 
C) 25 
D) 100 
A) 10 
B) 15 
C) 25 
D) 100 C

Question 4

Natives who have resided at high altitude all their lives adapt to the altitude by

Accepted Answer

A) exercising regularly. 
B) decreasing maximal ventilation. 
C) increasing the environmental PO2. 
D) producing more red blood cells. 
A) exercising regularly. 
B) decreasing maximal ventilation. 
C) increasing the environmental PO2. 
D) producing more red blood cells.

Question 5

If athletes plan to use high altitude training,research suggests that the best way for an endurance athlete to take advantage of altitude-induced physiological adjustments is to live at _______ altitude and train at ______ altitude.

Accepted Answer

A) high;low 
B) high;high 
C) low;low 
D) low;high 
A) high;low 
B) high;high 
C) low;low 
D) low;high

Question 6

Individuals who are successful climbing to high altitudes have a great capacity to hyperventilate.Hyperventilation results in______________.

Accepted Answer

A) higher PO2 in the blood. 
B) a decrease in arterial pH. 
C) left shift in the oxyhemoglobin dissociation curve. 
D) All of the above answers are correct 
A) higher PO2 in the blood. 
B) a decrease in arterial pH. 
C) left shift in the oxyhemoglobin dissociation curve. 
D) All of the above answers are correct

Question 7

When Messner and Habeler climbed Mount Everest without supplemental oxygen,the scientists had to reevaluate their calculations that VO2 max at the top of Everest was equal to resting metabolic rate (3.5 ml $\bullet$ kg-1 $\bullet$ min-1).They discovered that the

Accepted Answer

A) barometric pressure was higher than expected at the top of Everest. 
B) oxygen percentage was higher than expected at the top of Everest. 
C) the air contained more oxygen than expected. 
D) hemoglobin levels increased suddenly at that altitude for those who didn't use supplemental oxygen. 
A) barometric pressure was higher than expected at the top of Everest. 
B) oxygen percentage was higher than expected at the top of Everest. 
C) the air contained more oxygen than expected. 
D) hemoglobin levels increased suddenly at that altitude for those who didn't use supplemental oxygen.

Question 8

Wind speed affects environmental temperature.

Accepted Answer

A) True 
 B)False

Question 9

Maximal aerobic power decreases with high altitude due to the

Accepted Answer

A) lower PO2. 
B) lower percent of oxygen in the air. 
C) lower hemoglobin levels. 
D) increase in hemoglobin levels. 
A) lower PO2. 
B) lower percent of oxygen in the air. 
C) lower hemoglobin levels. 
D) increase in hemoglobin levels.

Question 10

The most rapid and effective method of reducing body temperature in those with high body temperatures is

Accepted Answer

A) cold water immersion. 
B) rapid fluid replacement. 
C) moving the athlete to the shade. 
D) waiting;cooling is a slow process. 
A) cold water immersion. 
B) rapid fluid replacement. 
C) moving the athlete to the shade. 
D) waiting;cooling is a slow process.

Question 11

The best protection against heat stroke and heat exhaustion is

Accepted Answer

A) taking salt tablets. 
B) hydrating before exercise. 
C) wearing light-colored clothing. 
D) acclimatization. 
A) taking salt tablets. 
B) hydrating before exercise. 
C) wearing light-colored clothing. 
D) acclimatization.

Question 12

The partial pressure of inspired oxygen (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 13

Which of the following factors have the ability to impact the risk of developing heat injury during exercise?

Accepted Answer

A) wind 
B) hydration status 
C) acclimatization 
D) All of the above answers are correct 
A) wind 
B) hydration status 
C) acclimatization 
D) All of the above answers are correct

Question 14

When track meets are held at altitude,the sprint performances are usually better than at sea level because of the

Accepted Answer

A) lower PO2 of inspired oxygen. 
B) greater reliance on creatine phosphate for energy. 
C) greater reliance on anaerobic glycolysis for energy. 
D) lower air density. 
A) lower PO2 of inspired oxygen. 
B) greater reliance on creatine phosphate for energy. 
C) greater reliance on anaerobic glycolysis for energy. 
D) lower air density.

Question 15

Pulmonary ventilation is higher at altitude than at sea level for any work rate.During exercise at high exercise intensities,this could result in

Accepted Answer

A) hypoventilation. 
B) fatigue of the respiratory muscles (e.g. ,diaphragm). 
C) exercise-induced hypercapnia. 
D) None of the above answers are correct 
A) hypoventilation. 
B) fatigue of the respiratory muscles (e.g. ,diaphragm). 
C) exercise-induced hypercapnia. 
D) None of the above answers are correct

Question 16

Breathing carbon monoxide can decrease VO2 max by

Accepted Answer

A) binding to hemoglobin to displace oxygen. 
B) by reducing pulmonary ventilation. 
C) decreasing the number of red blood cells. 
D) decreasing the arterial PO2 to half its normal value. 
A) binding to hemoglobin to displace oxygen. 
B) by reducing pulmonary ventilation. 
C) decreasing the number of red blood cells. 
D) decreasing the arterial PO2 to half its normal value.

Question 17

It is not physiologically possible to climb to the summit of Mount Everest without supplemental oxygen.

Accepted Answer

A) True 
 B)False

Question 18

Chronic (e.g. ,> several weeks)exposure to altitude will increase hypoxia-inducing factor in the body.

Accepted Answer

A) True 
 B)False

Question 19

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 20

The major factor causing a decrease in VO2 max at moderate altitudes (~4000 meters)is

Accepted Answer

A) lower maximal stroke. 
B) lower maximal heart rate. 
C) lower oxygen extraction by muscle. 
D) None of the above answers are correct 
A) lower maximal stroke. 
B) lower maximal heart rate. 
C) lower oxygen extraction by muscle. 
D) None of the above answers are correct

Exam 25: Exercise and the Environment

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

Which of the following terms describes the most serious form of heat illnesses?

The thermal conductivity of water is about ________greater than air.

Natives who have resided at high altitude all their lives adapt to the altitude by

If athletes plan to use high altitude training,research suggests that the best way for an endurance athlete to take advantage of altitude-induced physiological adjustments is to live at _______ altitude and train at ______ altitude.

Individuals who are successful climbing to high altitudes have a great capacity to hyperventilate.Hyperventilation results in______________.

When Messner and Habeler climbed Mount Everest without supplemental oxygen,the scientists had to reevaluate their calculations that VO2 max at the top of Everest was equal to resting metabolic rate (3.5 ml ∙\bullet∙ kg-1 ∙\bullet∙ min-1).They discovered that the

Wind speed affects environmental temperature.

Maximal aerobic power decreases with high altitude due to the

The most rapid and effective method of reducing body temperature in those with high body temperatures is

The best protection against heat stroke and heat exhaustion is

The partial pressure of inspired oxygen (PO2)decreases with increasing altitude because of the

Which of the following factors have the ability to impact the risk of developing heat injury during exercise?

When track meets are held at altitude,the sprint performances are usually better than at sea level because of the

Pulmonary ventilation is higher at altitude than at sea level for any work rate.During exercise at high exercise intensities,this could result in

Breathing carbon monoxide can decrease VO2 max by

It is not physiologically possible to climb to the summit of Mount Everest without supplemental oxygen.

Chronic (e.g. ,> several weeks)exposure to altitude will increase hypoxia-inducing factor in the body.

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

The major factor causing a decrease in VO2 max at moderate altitudes (~4000 meters)is

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

Ergogenic Aids

Filters

If athletes plan to use high altitude training,research suggests that the best way for an endurance athlete to take advantage of altitude-induced physiological adjustments is to live at _ altitude and train at altitude.

When Messner and Habeler climbed Mount Everest without supplemental oxygen,the scientists had to reevaluate their calculations that VO₂ max at the top of Everest was equal to resting metabolic rate (3.5 ml $\bullet$ kg^-1 $\bullet$ min^-1).They discovered that the

The partial pressure of inspired oxygen (PO₂)decreases with increasing altitude because of the

Breathing carbon monoxide can decrease VO₂ max by

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

The major factor causing a decrease in VO₂ max at moderate altitudes (~4000 meters)is