Question 1

During initial exposure at altitude (at elevations above 3,000 m) decreases in plasma volume appear to be a result of both a ___________ and _____________.

Accepted Answer

diuresis and natiuresis

Question 2

The primary mechanism controlling oxygen diffusion from the capillaries to the tissues is pressure gradients created by the partial pressure of oxygen in each area.

Accepted Answer

A) True 
 B)False  True

Question 3

Adaptations to the morphology of the heart are governed by:

Accepted Answer

A)  Frank-Starling mechanism 
B)  law of LaPlace 
C)  Fick principle 
D)  Bohr effect 
A)  Frank-Starling mechanism 
B)  law of LaPlace 
C)  Fick principle 
D)  Bohr effect B

Question 4

When exercising in the heat at the same intensity a runner notices that her heart rate is gradually increasing. Can you describe what is happening to this athlete?

Accepted Answer

The answer should include that this phen

Question 5

Which of the following is not part of the conduction system in the heart?

Accepted Answer

A)  mitral valve 
B)  sinoatrial node 
C)  atrioventricular node 
D)  bundle of His 
A)  mitral valve 
B)  sinoatrial node 
C)  atrioventricular node 
D)  bundle of His

Question 6

Compare the resting cardiovascular adaptations that are associated with endurance training and resistance training.

Accepted Answer

The answer should include discussion of

Question 7

Maximal aerobic capacity is determined by:

Accepted Answer

A)  cardiac output and (a−v)O2 difference 
B)  cardiac output and heart rate 
C)  heart rate and (a−v)O2 difference 
D)  stroke volume and heart rate 
A)  cardiac output and (a−v)O2 difference 
B)  cardiac output and heart rate 
C)  heart rate and (a−v)O2 difference 
D)  stroke volume and heart rate

Question 8

Describe the Frank-Starling mechanism and how it impacts exercise performance.

Accepted Answer

The answer should describe the greater v

Question 9

During exercise blood flow is diverted away from essential organs to exercising muscles.

Accepted Answer

A) True 
 B)False

Question 10

Which statement concerning exercising in the heat is not correct?

Accepted Answer

A)  an increase in blood pooling in the periphery is typically seen 
B)  heart rate will increase to compensate for the reduction in blood volume 
C)  cardiac output will remain the same despite the increase in heart rate 
D)  the evaporative cooling provided by increasing sweat rate serves to restore blood volume 
A)  an increase in blood pooling in the periphery is typically seen 
B)  heart rate will increase to compensate for the reduction in blood volume 
C)  cardiac output will remain the same despite the increase in heart rate 
D)  the evaporative cooling provided by increasing sweat rate serves to restore blood volume

Question 11

Which answer is most correct concerning capillary microcirculation and oxygen diffusion?

Accepted Answer

A)  the combination of small surface area, fast rate of blood flow and thick layer of endothelial cells makes this an ideal place for gas exchange 
B)  the combination of large surface area, slow rate of blood flow and thin layer of endothelial cells makes this an ideal place for gas exchange 
C)  the combination of small surface area, slow rate of blood flow and thick layer of endothelial cells makes this an ideal place for gas exchange 
D)  the combination of large surface area, fast rate of blood flow and thick layer of endothelial cells makes this an ideal place for gas exchange 
A)  the combination of small surface area, fast rate of blood flow and thick layer of endothelial cells makes this an ideal place for gas exchange 
B)  the combination of large surface area, slow rate of blood flow and thin layer of endothelial cells makes this an ideal place for gas exchange 
C)  the combination of small surface area, slow rate of blood flow and thick layer of endothelial cells makes this an ideal place for gas exchange 
D)  the combination of large surface area, fast rate of blood flow and thick layer of endothelial cells makes this an ideal place for gas exchange

Question 12

Concentric hypertrophy of the left ventricle is best described as:

Accepted Answer

A)  cardiac morphological adaptation resulting from endurance training 
B)  increased wall thickness with a decrease in the internal diameter of the left ventricle 
C)  increased wall thickness with no change in the internal diameter of the left ventricle 
D)  increased internal diameter of the left ventricle 
A)  cardiac morphological adaptation resulting from endurance training 
B)  increased wall thickness with a decrease in the internal diameter of the left ventricle 
C)  increased wall thickness with no change in the internal diameter of the left ventricle 
D)  increased internal diameter of the left ventricle

Question 13

The ______________ is a thick solid muscular wall that separates the right and left ventricles.

Accepted Answer

interventr

Question 14

Which of the following would be expected to occur during prolonged exposure to altitude?

Accepted Answer

A)  lung volumes tend to decrease 
B)  red blood cell production tends to increase 
C)  hemoglobin concentrations tend to decrease 
D)  partial pressure of oxygen tends to increase 
A)  lung volumes tend to decrease 
B)  red blood cell production tends to increase 
C)  hemoglobin concentrations tend to decrease 
D)  partial pressure of oxygen tends to increase

Question 15

When exercise is prolonged or performed in a hot environment an increase in heart rate may be seen with a concomitant decrease in stroke volume. This phenomenon is known as:

Accepted Answer

A)  law of LaPlace 
B)  Bohr Effect 
C)  Cardiac Drift 
D)  Valsalva Effect 
A)  law of LaPlace 
B)  Bohr Effect 
C)  Cardiac Drift 
D)  Valsalva Effect

Question 16

The primary mechanism causing hypervolemia is an increase in red blood cell number.

Accepted Answer

A) True 
 B)False

Question 17

Cardiac output is the product of ____________ and _____________.

Accepted Answer

Stroke vol

Question 18

Oxygen dissociates from hemoglobin more rapidly when:

Accepted Answer

A)  hemoglobin concentrations are reduced 
B)  pH levels are reduced 
C)  lactate concentrations are reduced 
D)  carbon dioxide levels are lowered to 20 mmHg 
A)  hemoglobin concentrations are reduced 
B)  pH levels are reduced 
C)  lactate concentrations are reduced 
D)  carbon dioxide levels are lowered to 20 mmHg

Question 19

Describe the different physiological adaptations that are seen in cardiac morphology between prolonged endurance training and resistance training.

Accepted Answer

The answer should include desc

Question 20

Decreases in heart rate as a result of training is likely the result of:

Accepted Answer

A)  increased parasympathetic activity 
B)  increased sympathetic activity 
C)  decreased sympathetic activity 
D)  a combination of answers a and c 
A)  increased parasympathetic activity 
B)  increased sympathetic activity 
C)  decreased sympathetic activity 
D)  a combination of answers a and c

Exam 2: The Cardiorespiratory System

During initial exposure at altitude (at elevations above 3,000 m) decreases in plasma volume appear to be a result of both a ___________ and _____________.

The primary mechanism controlling oxygen diffusion from the capillaries to the tissues is pressure gradients created by the partial pressure of oxygen in each area.

Adaptations to the morphology of the heart are governed by:

When exercising in the heat at the same intensity a runner notices that her heart rate is gradually increasing. Can you describe what is happening to this athlete?

Which of the following is not part of the conduction system in the heart?

Compare the resting cardiovascular adaptations that are associated with endurance training and resistance training.

Maximal aerobic capacity is determined by:

Describe the Frank-Starling mechanism and how it impacts exercise performance.

During exercise blood flow is diverted away from essential organs to exercising muscles.

Which statement concerning exercising in the heat is not correct?

Which answer is most correct concerning capillary microcirculation and oxygen diffusion?

Concentric hypertrophy of the left ventricle is best described as:

The ______________ is a thick solid muscular wall that separates the right and left ventricles.

Which of the following would be expected to occur during prolonged exposure to altitude?

When exercise is prolonged or performed in a hot environment an increase in heart rate may be seen with a concomitant decrease in stroke volume. This phenomenon is known as:

The primary mechanism causing hypervolemia is an increase in red blood cell number.

Cardiac output is the product of ____________ and _____________.

Oxygen dissociates from hemoglobin more rapidly when:

Describe the different physiological adaptations that are seen in cardiac morphology between prolonged endurance training and resistance training.

Decreases in heart rate as a result of training is likely the result of:

Bioenergetics

The Neuromuscular System

The Skeletal System

Biomechanics of Resistance Training

The Endocrine System

Nutrition

Facility Administration and Design

Warm-Up and Flexibility

Test Administration and Interpretation

Resistance Exercise Techniques and Spotting

Needs Analysis

Program Design

Periodization of Training

Aerobic Exercise Prescription

Resistance Exercise Prescription

Plyometric, Speed, Agility and Quickness Exercise Prescription

Implement Training

Applied Sport Psychology

Strength Training for Special Populations

Age and Gender Training

Injury Prevention and Rehabilitation

Ergogenic Aids

Filters

During initial exposure at altitude (at elevations above 3,000 m) decreases in plasma volume appear to be a result of both a _ and ___.

Cardiac output is the product of and _.