Question 1

Cardiac output and peripheral resistance are directly proportional to arterial blood volume.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following factors would cause fluid to leave the blood vessel at the arterial end of the capillary?

Accepted Answer

A)  High hydrostatic pressure of the blood
B)  High hydrostatic pressure of the interstitial fluid
C)  High colloid pressure of the plasma proteins
D)  All of the aboveE) A) and B)
F) All of the above

Question 3

Blood viscosity is highly variable in healthy individuals under resting conditions.

Accepted Answer

A) True 
 B)False

Question 4

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.E) A) and D)
F) B) and C)

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

Hypoxic conditions act as the major stimulant to chemoreceptors.

Accepted Answer

A) True 
 B)False

Question 7

Name and explain the reflexes that affect heart rate.

Accepted Answer

The reflexes that affect heart rate incl...

Question 8

The primary fluid flow principle of circulation is based on all of the following except a fluid:

Accepted Answer

A)  flows only when a pressure gradient is absent.
B)  does not flow when the pressure is the same in all parts of it.
C)  flows only when its pressure is higher in one area than in another.
D)  flows always from its higher-pressure area toward its lower-pressure area.E) C) and D)
F) A) and D)

Question 9

If the stroke volume remains constant, parasympathetic stimulation of the heart will cause an increase in cardiac output.

Accepted Answer

A) True 
 B)False

Question 10

Circulatory shock caused by the effects of infectious agents is called _____ shock.

Accepted Answer

A)  cardiogenic
B)  hypovolemic
C)  anaphylactic
D)  septicE) A) and B)
F) None of the above

Question 11

Circulatory shock caused by a drop in the amount of blood in the circulatory system is called _____ shock.

Accepted Answer

A)  cardiogenic
B)  hypovolemic
C)  anaphylactic
D)  septicE) All of the above
F) None of the above

Question 12

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 13

If the heart rate drops and the stroke volume increases, cardiac output will always show a decrease.

Accepted Answer

A) True 
 B)False

Question 14

Pulse is defined as the alternate expansion and recoil of an artery.

Accepted Answer

A) True 
 B)False

Question 15

The "pump" of the "respiratory pump" that moves blood to the central veins is the diaphragm.

Accepted Answer

A) True 
 B)False

Question 16

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

Accepted Answer

The lymphatic system plays a crucial rol...

Question 17

The pulse in the wrist is felt over which artery?

Accepted Answer

A)  Radial
B)  Brachial
C)  Ulnar
D)  AxillaryE) A) and B)
F) None of the above

Question 18

Peripheral resistance is affected primarily by:

Accepted Answer

A)  the length of myocardial fibers.
B)  blood viscosity and the diameter of arterioles.
C)  the capacity of the blood reservoirs.
D)  elasticity of the heart.E) All of the above
F) None of the above

Question 19

An increase in aldosterone would cause an increase in blood volume.

Accepted Answer

A) True 
 B)False

Question 20

If a pulse were taken at the popliteal and dorsalis pedis arteries at the same time, it would be felt at the popliteal artery first.

Accepted Answer

A) True 
 B)False

Exam 30: Circulation of the Blood

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

Correct AnswerAnswered by ExamLex AIThe lymphatic system plays a crucial rol...View AnswerShow Answer

The "pump" of the "respiratory pump" that moves blood to the central veins is the diaphragm.

Correct AnswerverifiedShow Answer

Pulse is defined as the alternate expansion and recoil of an artery.

Correct AnswerverifiedShow Answer

If a pulse were taken at the popliteal and dorsalis pedis arteries at the same time, it would be felt at the popliteal artery first.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Circulatory shock caused by the effects of infectious agents is called _____ shock.

Correct AnswerverifiedShow Answer

Name and explain the reflexes that affect heart rate.

Correct AnswerAnswered by ExamLex AIThe reflexes that affect heart rate incl...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

An increase in aldosterone would cause an increase in blood volume.

Correct AnswerverifiedShow Answer

Which of the following factors would cause fluid to leave the blood vessel at the arterial end of the capillary?

Correct AnswerverifiedShow Answer

The pulse in the wrist is felt over which artery?

Correct AnswerverifiedShow Answer

Cardiac output and peripheral resistance are directly proportional to arterial blood volume.

Correct AnswerverifiedShow Answer

If the heart rate drops and the stroke volume increases, cardiac output will always show a decrease.

Correct AnswerverifiedShow Answer

If the stroke volume remains constant, parasympathetic stimulation of the heart will cause an increase in cardiac output.

Correct AnswerverifiedShow Answer

Blood viscosity is highly variable in healthy individuals under resting conditions.

Correct AnswerverifiedShow Answer

Peripheral resistance is affected primarily by:

Correct AnswerverifiedShow Answer

Hypoxic conditions act as the major stimulant to chemoreceptors.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The primary fluid flow principle of circulation is based on all of the following except a fluid:

Correct AnswerverifiedShow Answer

Circulatory shock caused by a drop in the amount of blood in the circulatory system is called _____ shock.

Correct AnswerverifiedShow Answer

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The lymphatic system plays a crucial rol...
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The reflexes that affect heart rate incl...
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