Question 1

Blood osmotic pressure and blood hydrostatic pressure are opposing forces in terms of moving fluid into and out of the circulatory system.

Accepted Answer

A) True 
 B)False  True

Question 2

The stress-relaxation effect occurs in all blood vessels but is most important in the arteries.

Accepted Answer

A) True 
 B)False  False

Question 3

Stroke volume and systolic discharge mean the same thing.

Accepted Answer

A) True 
 B)False  True

Question 4

Grief tends to make the heart beat faster.

Accepted Answer

A) True 
 B)False

Question 5

Venous valves would not be necessary in the jugular veins of the neck.

Accepted Answer

A) True 
 B)False

Question 6

Pumping load can also be referred to as preload

Accepted Answer

A) True 
 B)False

Question 7

Orthostasis means "standing upright."

Accepted Answer

A) True 
 B)False

Question 8

An increase in heart rate tends to increase:

Accepted Answer

A)  cardiac output. 
B)  arterial blood volume. 
C)  blood pressure. 
D)  all of the above. 
A)  cardiac output. 
B)  arterial blood volume. 
C)  blood pressure. 
D)  all of the above.

Question 9

Minute volume is equal to the:

Accepted Answer

A)  central venous pressure divided by the resistance. 
B)  mean arterial pressure divided by the central venous pressure. 
C)  pressure gradient divided by the resistance. 
D)  difference between the mean arterial pressure and the resistance, divided by the central venous pressure. 
A)  central venous pressure divided by the resistance. 
B)  mean arterial pressure divided by the central venous pressure. 
C)  pressure gradient divided by the resistance. 
D)  difference between the mean arterial pressure and the resistance, divided by the central venous pressure.

Question 10

Because the circulatory system is a closed system filled with fluid, the pulse wave is felt at the same time in any part of the body.

Accepted Answer

A) True 
 B)False

Question 11

Explain how the forces of osmotic pressure and hydrostatic pressure work to maintain a balance of fluid moving into and out of the capillary.

Accepted Answer

Osmotic pressure and hydrostatic pressur

Question 12

All of the following will increase heart rate except:

Accepted Answer

A)  sympathetic stimulation. 
B)  a decrease in aortic blood pressure. 
C)  a decrease in carotid blood pressure. 
D)  stimulation of cold receptors in the skin. 
A)  sympathetic stimulation. 
B)  a decrease in aortic blood pressure. 
C)  a decrease in carotid blood pressure. 
D)  stimulation of cold receptors in the skin.

Question 13

Which of the following statements is true?

Accepted Answer

A)  Stimulation by the vagus nerve slows the heart rate. 
B)  Stimulation by the cardiac nerve slows the heart rate. 
C)  Parasympathetic stimulation occurs through the cardiac nerve. 
D)  Both B and C are true. 
A)  Stimulation by the vagus nerve slows the heart rate. 
B)  Stimulation by the cardiac nerve slows the heart rate. 
C)  Parasympathetic stimulation occurs through the cardiac nerve. 
D)  Both B and C are true.

Question 14

Which of the following statements is not true of the cardiovascular system?

Accepted Answer

A)  For the body to survive, all parts of the body must be equally supplied with blood. 
B)  The cardiovascular system contains much less blood than the system could hold. 
C)  Blood must be directed to the cells that need it most. 
D)  Blood must move constantly through the cardiovascular system. 
A)  For the body to survive, all parts of the body must be equally supplied with blood. 
B)  The cardiovascular system contains much less blood than the system could hold. 
C)  Blood must be directed to the cells that need it most. 
D)  Blood must move constantly through the cardiovascular system.

Question 15

In a healthy adult, blood pressure at the union of the vena cavae and right atrium is about 80 mm Hg.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following tasks must the circulation control mechanism accomplish?

Accepted Answer

A)  Maintain circulation. 
B)  Vary the volume and distribution of the blood circulated. 
C)  Make sure that all cells receive the same amount of blood to maintain nutrient and oxygen levels. 
D)  Both A and B are correct. 
A)  Maintain circulation. 
B)  Vary the volume and distribution of the blood circulated. 
C)  Make sure that all cells receive the same amount of blood to maintain nutrient and oxygen levels. 
D)  Both A and B are correct.

Question 17

Which of the following is not a true statement about cardiac output?

Accepted Answer

A)  It can be calculated by dividing the stroke volume by the heart rate. 
B)  It is the amount of blood that flows out of a ventricle per unit of time. 
C)  In can be computed by using Fick's Formula. 
D)  All of the above are true statements about cardiac output. 
A)  It can be calculated by dividing the stroke volume by the heart rate. 
B)  It is the amount of blood that flows out of a ventricle per unit of time. 
C)  In can be computed by using Fick's Formula. 
D)  All of the above are true statements about cardiac output.

Question 18

If resistance in the blood vessels remains constant, the minute volume of blood is directly related to the difference between arterial and venous pressure.

Accepted Answer

A) True 
 B)False

Question 19

Anger and fear have opposite effects on the heart rate.

Accepted Answer

A) True 
 B)False

Question 20

Explain the role of the lymphatic system in maintaining blood volume.

Accepted Answer

The lymphatic system plays a crucial rol

Exam 30: Circulation of the Blood

Blood osmotic pressure and blood hydrostatic pressure are opposing forces in terms of moving fluid into and out of the circulatory system.

The stress-relaxation effect occurs in all blood vessels but is most important in the arteries.

Stroke volume and systolic discharge mean the same thing.

Grief tends to make the heart beat faster.

Venous valves would not be necessary in the jugular veins of the neck.

Pumping load can also be referred to as preload

Orthostasis means "standing upright."

An increase in heart rate tends to increase:

Minute volume is equal to the:

Because the circulatory system is a closed system filled with fluid, the pulse wave is felt at the same time in any part of the body.

Explain how the forces of osmotic pressure and hydrostatic pressure work to maintain a balance of fluid moving into and out of the capillary.

All of the following will increase heart rate except:

Which of the following statements is true?

Which of the following statements is not true of the cardiovascular system?

In a healthy adult, blood pressure at the union of the vena cavae and right atrium is about 80 mm Hg.

Which of the following tasks must the circulation control mechanism accomplish?

Which of the following is not a true statement about cardiac output?

If resistance in the blood vessels remains constant, the minute volume of blood is directly related to the difference between arterial and venous pressure.

Anger and fear have opposite effects on the heart rate.

Explain the role of the lymphatic system in maintaining blood volume.

Organization of the Body

Homeostasis

Chemical Basis of Life

Biomolecules

Cell Structure

Cell Function

Cell Growth and Development

Introduction to Tissues

Tissue Types

Skin

Skeletal Tissues

Axial Skeleton

Appendicular Skeleton

Articulations

Axial Muscles

Appendicular Muscles

Muscle Contraction

Nervous System Cells

Nerve Signaling

Central Nervous System

Peripheral Nervous System

Autonomic Nervous System

General Senses

Special Senses

Endocrine Regulation

Endocrine Glands

Blood

Heart

Blood Vessels

Lymphatic System

Innate Immunity

Adaptive Immunity

Stress

Respiratory Tract

Ventilation

Gas Exchange & Transport

Upper Digestive Tract

Lower Digestive Tract

Digestion and Absorption

Nutrition and Metabolism

Urinary System

Fluid and Electrolyte Balance

Acid Base Balance

Male Reproductive System

Female Reproductive System

Growth and Development

Genetics and Heredity

Filters