Question 1

Deep, rapid breathing will increase the return of blood to the heart.

Accepted Answer

A) True 
 B)False

Question 2

The vasomotor control mechanism regulates changes in the diameter of arteries.

Accepted Answer

A) True 
 B)False

Question 3

A fluid flows because a pressure gradient exists between different parts of its volume.

Accepted Answer

A) True 
 B)False

Question 4

The pressure gradient in the ventricles exceeds the pressure in the pulmonary artery and aorta.

Accepted Answer

A) True 
 B)False

Question 5

Stroke volume and systolic discharge mean the same thing.

Accepted Answer

A) True 
 B)False

Question 6

Which artery in the arm is used for measuring blood pressure?

Accepted Answer

A) Brachial 
B) Radial 
C) Ulnar 
D) Axillary 
A) Brachial 
B) Radial 
C) Ulnar 
D) Axillary

Question 7

The atrial natriuretic hormone mechanism promotes water retention, thus increasing total plasma volume.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following is not true of the baroreceptors?

Accepted Answer

A) They are stretch receptors. 
B) They are sensitive to changes in the oxygen content of the blood. 
C) They send afferent nerve impulses to the cardiac control centers. 
D) They are located in the carotid sinus and the aorta. 
A) They are stretch receptors. 
B) They are sensitive to changes in the oxygen content of the blood. 
C) They send afferent nerve impulses to the cardiac control centers. 
D) They are located in the carotid sinus and the aorta.

Question 9

Arterial blood pressure is inversely related to blood volume.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is not part of the vasomotor control mechanism?

Accepted Answer

A) The vasoconstrictor center in the medulla 
B) Sympathetic stimulation of smooth muscles surrounding the resistance vessels 
C) Sympathetic stimulation of the heart to increase cardiac output 
D) All of the above are part of the vasomotor control mechanism. 
A) The vasoconstrictor center in the medulla 
B) Sympathetic stimulation of smooth muscles surrounding the resistance vessels 
C) Sympathetic stimulation of the heart to increase cardiac output 
D) All of the above are part of the vasomotor control mechanism.

Question 11

Which of the following events would tend to cause a decrease in blood viscosity?

Accepted Answer

A) An increase in red blood cell count 
B) Marked anemia 
C) An increase in blood protein concentration 
D) Both A and C 
A) An increase in red blood cell count 
B) Marked anemia 
C) An increase in blood protein concentration 
D) Both A and C

Question 12

Circulatory shock caused by an acute allergic reaction is called _____ shock.

Accepted Answer

A) cardiogenic 
B) hypovolemic 
C) anaphylactic 
D) septic 
A) cardiogenic 
B) hypovolemic 
C) anaphylactic 
D) septic

Question 13

The popliteal pulse point is found on the anterior surface of the elbow.

Accepted Answer

A) True 
 B)False

Question 14

An increase in blood temperature tends to slow down heart rate.

Accepted Answer

A) True 
 B)False

Question 15

If fluid were collecting at the venous end of a capillary, it could be caused by either a drop in hydrostatic pressure or an increase in osmotic pressure.

Accepted Answer

A) True 
 B)False

Question 16

In general, as stroke volume goes up, ejection fraction goes up.

Accepted Answer

A) True 
 B)False

Question 17

Because of their small diameter, capillaries account for almost all the resistance to blood flow in the circulatory system.

Accepted Answer

A) True 
 B)False

Question 18

An increase in ADH in the blood would have a tendency to increase total blood volume.

Accepted Answer

A) True 
 B)False

Question 19

The cardiac output of the left ventricle is greater than the cardiac output of the right ventricle.

Accepted Answer

A) True 
 B)False

Question 20

The best description of pulse pressure is the:

Accepted Answer

A) pressure of blood against artery walls during ventricular systole. 
B) pressure of blood against artery walls during ventricular diastole. 
C) pressure of blood against artery walls during atrial systole. 
D) difference between the systolic and the diastolic blood pressures. 
A) pressure of blood against artery walls during ventricular systole. 
B) pressure of blood against artery walls during ventricular diastole. 
C) pressure of blood against artery walls during atrial systole. 
D) difference between the systolic and the diastolic blood pressures.

Exam 30: Circulation of the Blood

Deep, rapid breathing will increase the return of blood to the heart.

The vasomotor control mechanism regulates changes in the diameter of arteries.

A fluid flows because a pressure gradient exists between different parts of its volume.

The pressure gradient in the ventricles exceeds the pressure in the pulmonary artery and aorta.

Stroke volume and systolic discharge mean the same thing.

Which artery in the arm is used for measuring blood pressure?

The atrial natriuretic hormone mechanism promotes water retention, thus increasing total plasma volume.

Which of the following is not true of the baroreceptors?

Arterial blood pressure is inversely related to blood volume.

Which of the following is not part of the vasomotor control mechanism?

Which of the following events would tend to cause a decrease in blood viscosity?

Circulatory shock caused by an acute allergic reaction is called _____ shock.

The popliteal pulse point is found on the anterior surface of the elbow.

An increase in blood temperature tends to slow down heart rate.

If fluid were collecting at the venous end of a capillary, it could be caused by either a drop in hydrostatic pressure or an increase in osmotic pressure.

In general, as stroke volume goes up, ejection fraction goes up.

Because of their small diameter, capillaries account for almost all the resistance to blood flow in the circulatory system.

An increase in ADH in the blood would have a tendency to increase total blood volume.

The cardiac output of the left ventricle is greater than the cardiac output of the right ventricle.

The best description of pulse pressure is the:

Organization of the Body

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Biomolecules

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Cell Growth and Development

Introduction to Tissues

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Endocrine Regulation

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Digestion and Absorption

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Fluid and Electrolyte Balance

Acid-Base Balance

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