Question 1

Sweat glands contain

Accepted Answer

A)  cholinergic receptors. 
B)  alpha-1 receptors. 
C)  alpha-2 receptors. 
D)  beta receptors. 
E)  All of the answers are correct. 
A)  cholinergic receptors. 
B)  alpha-1 receptors. 
C)  alpha-2 receptors. 
D)  beta receptors. 
E)  All of the answers are correct.

Question 2

Daniella is a dancer trying to get into the New York City Ballet.She knows that it is very competitive, so she is practicing several hours a day.She also knows that ballerinas need to be very thin, so she is restricting her diet to 600 calories a day and only eats fruits and vegetables.She continues her workout and dietary routine for several months and on the day of her audition she feels very weak.She ends up passing out during her audition and as the athletic trainer and physician are evaluating Daniella, they notice that she has several bruises and frequent muscle spasms.Why is Daniella having all of these problems?

Accepted Answer

Dancing is a type of athletic activity,

Question 3

The process of creating glucose out of non-carbohydrate precursors to make more energy for exercise is referred to as

Accepted Answer

A)  glycolysis. 
B)  gluconeogenesis. 
C)  ketolysis. 
D)  hydrosis. 
A)  glycolysis. 
B)  gluconeogenesis. 
C)  ketolysis. 
D)  hydrosis.

Question 4

The maximal rate of consumption of ________ is used as a measurement of a person's ability to perform endurance exercise and is measured in what units? How is this molecule related to metabolism?

Accepted Answer

oxygen, measured in liters con

Question 5

James made a New Years resolution to get healthy, so he started an exercise plan.Early in the process he noticed that he fatigued quickly.As he continued to exercise regularly, he noticed that it took longer to fatigue.What change explains the increased endurance?

Accepted Answer

As James continued to exercise, his body

Question 6

Glycolytic metabolism is also known as

Accepted Answer

A)  aerobic metabolism. 
B)  anaerobic metabolism. 
C)  gluconeogenesis. 
D)  glycogenesis. 
E)  beta-oxidation. 
A)  aerobic metabolism. 
B)  anaerobic metabolism. 
C)  gluconeogenesis. 
D)  glycogenesis. 
E)  beta-oxidation.

Question 7

The initial change in heart rate at the onset of exercise is due to

Accepted Answer

A)  sympathetic stimulation. 
B)  the withdrawal of parasympathetic inhibition. 
C)  stretching of the cardiac muscle fibers in response to increased venous return. 
D)  overfilling of the ventricles. 
A)  sympathetic stimulation. 
B)  the withdrawal of parasympathetic inhibition. 
C)  stretching of the cardiac muscle fibers in response to increased venous return. 
D)  overfilling of the ventricles.

Question 8

During exercise, blood flow to the active skeletal muscles is increased by autoregulation.Propose a mechanism based on the need for nutrients that would explain how the autoregulation might take place.

Accepted Answer

When a skeletal muscle becomes more acti

Question 9

With heat acclimatization,

Accepted Answer

A)  sweating becomes more productive. 
B)  aldosterone increases. 
C)  sweating becomes more concentrated. 
D)  sweating becomes more productive and aldosterone increases. 
E)  aldosterone increases and sweating becomes more concentrated. 
A)  sweating becomes more productive. 
B)  aldosterone increases. 
C)  sweating becomes more concentrated. 
D)  sweating becomes more productive and aldosterone increases. 
E)  aldosterone increases and sweating becomes more concentrated.

Question 10

The nutrients that yield the most energy per gram when metabolized are

Accepted Answer

A)  carbohydrates. 
B)  proteins. 
C)  fats. 
D)  nucleic acids. 
E)  vitamins. 
A)  carbohydrates. 
B)  proteins. 
C)  fats. 
D)  nucleic acids. 
E)  vitamins.

Question 11

List and discuss the benefits of exercise, especially in regard to decreased risk of cardiovascular disease.

Accepted Answer

Benefits include decreased sys

Question 12

EPOC is

Accepted Answer

A)  excess physiological oxygen contribution. 
B)  extra phosphorylated oxygenated creatine. 
C)  excess postexercise oxygen consumption. 
D)  exercising physiological oxygen consumption. 
E)  extraneous preoxygen contribution. 
A)  excess physiological oxygen contribution. 
B)  extra phosphorylated oxygenated creatine. 
C)  excess postexercise oxygen consumption. 
D)  exercising physiological oxygen consumption. 
E)  extraneous preoxygen contribution.

Question 13

Match the response to the description.
-percent fat metabolized for ATP production as exercise intensity increases

Accepted Answer

A) increase 
B) decrease 
C) no change 
A) increase 
B) decrease 
C) no change

Question 14

Excess postexercise oxygen consumption serves all of the following purposes EXCEPT

Accepted Answer

A)  it metabolizes lactate. 
B)  it restores ATP and phosphocreatine levels. 
C)  it replenishes oxygen bound to myoglobin. 
D)  it removes unnecessary catecholamines from circulation. 
A)  it metabolizes lactate. 
B)  it restores ATP and phosphocreatine levels. 
C)  it replenishes oxygen bound to myoglobin. 
D)  it removes unnecessary catecholamines from circulation.

Question 15

Which of the following is involved in the pathway that causes a jump in ventilation rate at the beginning of exercise?

Accepted Answer

A)  Proprioceptors in muscles send information to the motor cortex of the brain. 
B)  Output from the limbic system and cardiovascular control center triggers parasympathetic discharge. 
C)  Widespread vasoconstriction causes increase in blood pressure. 
D)  Proprioceptors in muscles send information to the motor cortex of the brain and widespread vasoconstriction causes increase in blood pressure. 
E)  Output from the limbic system and cardiovascular control center triggers parasympathetic discharge and widespread vasoconstriction causes increase in blood pressure. 
A)  Proprioceptors in muscles send information to the motor cortex of the brain. 
B)  Output from the limbic system and cardiovascular control center triggers parasympathetic discharge. 
C)  Widespread vasoconstriction causes increase in blood pressure. 
D)  Proprioceptors in muscles send information to the motor cortex of the brain and widespread vasoconstriction causes increase in blood pressure. 
E)  Output from the limbic system and cardiovascular control center triggers parasympathetic discharge and widespread vasoconstriction causes increase in blood pressure.

Question 16

During exercise, sweating helps lose heat from the body through the process of

Accepted Answer

A)  radiation. 
B)  conduction. 
C)  convection. 
D)  evaporation. 
E)  concentration. 
A)  radiation. 
B)  conduction. 
C)  convection. 
D)  evaporation. 
E)  concentration.

Question 17

The advantage of anaerobic metabolism is

Accepted Answer

A)  high yield of ATP. 
B)  rapid ATP production. 
C)  fewer pesky by-products. 
D)  greater use of fat stores. 
E)  greater endurance. 
A)  high yield of ATP. 
B)  rapid ATP production. 
C)  fewer pesky by-products. 
D)  greater use of fat stores. 
E)  greater endurance.

Question 18

How does exercise hyperventilation maintain nearly normal PO₂ and PCO₂?

Accepted Answer

Exercise hyperventilation invo

Question 19

Match the response to the description.
-mean arterial pressure during exercise

Accepted Answer

A) increase 
B) decrease 
C) no change 
A) increase 
B) decrease 
C) no change

Question 20

If oxygen is NOT available for aerobic ATP production, ________ builds up on muscles.

Accepted Answer

A)  glucose 
B)  ATP 
C)  pyruvic acid 
D)  lactic acid 
A)  glucose 
B)  ATP 
C)  pyruvic acid 
D)  lactic acid

Exam 25: Integrative Physiology III: Exercise

Sweat glands contain

The process of creating glucose out of non-carbohydrate precursors to make more energy for exercise is referred to as

The maximal rate of consumption of ________ is used as a measurement of a person's ability to perform endurance exercise and is measured in what units? How is this molecule related to metabolism?

James made a New Years resolution to get healthy, so he started an exercise plan.Early in the process he noticed that he fatigued quickly.As he continued to exercise regularly, he noticed that it took longer to fatigue.What change explains the increased endurance?

Glycolytic metabolism is also known as

The initial change in heart rate at the onset of exercise is due to

During exercise, blood flow to the active skeletal muscles is increased by autoregulation.Propose a mechanism based on the need for nutrients that would explain how the autoregulation might take place.

With heat acclimatization,

The nutrients that yield the most energy per gram when metabolized are

List and discuss the benefits of exercise, especially in regard to decreased risk of cardiovascular disease.

EPOC is

Match the response to the description. -percent fat metabolized for ATP production as exercise intensity increases

Excess postexercise oxygen consumption serves all of the following purposes EXCEPT

Which of the following is involved in the pathway that causes a jump in ventilation rate at the beginning of exercise?

During exercise, sweating helps lose heat from the body through the process of

The advantage of anaerobic metabolism is

How does exercise hyperventilation maintain nearly normal PO₂ and PCO₂?

Match the response to the description. -mean arterial pressure during exercise

If oxygen is NOT available for aerobic ATP production, ________ builds up on muscles.

Introduction to Physiology

Molecular Interactions

Compartmentation: Cells and Tissues

Energy and Cellular Metabolism

Membrane Dynamics

Communication, Integration, and Homeostasis

Introduction to the Endocrine System

Neurons: Cellular and Network Properties

The Central Nervous System

Sensory Physiology

Efferent Division: Autonomic and Somatic Motor Control

Muscles

Integrative Physiology I: Control of Body Movement

Cardiovascular Physiology

Blood Flow and the Control of Blood Pressure

Blood

Mechanics of Breathing

Gas Exchange and Transport

The Kidneys

Integrative Physiology II: Fluid and Electrolyte Balance

The Digestive System

Metabolism and Energy Balance

Endocrine Control of Growth and Metabolism

The Immune System

Reproduction and Development

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