Question 1

What structures regulate blood flow into capillary beds?

Accepted Answer

A)  precapillary sphincters 
B)  venous valves 
C)  postcapillary sphincters 
D)  Peyer's patches 
A)  precapillary sphincters 
B)  venous valves 
C)  postcapillary sphincters 
D)  Peyer's patches

Question 2

Which of the following causes blood to move through veins?

Accepted Answer

A)  vasodilation 
B)  contraction of smooth muscle 
C)  contraction of skeletal muscle 
D)  blood pressure 
A)  vasodilation 
B)  contraction of smooth muscle 
C)  contraction of skeletal muscle 
D)  blood pressure

Question 3

A(n) ________ is a recording of the electrical activities of the heart.

Accepted Answer

The answer of A(n) ________ is a recording of the...

Question 4

Which of these are the smallest of veins that form when capillaries merge?

Accepted Answer

A)  venules 
B)  arteries 
C)  arterioles 
D)  veins 
A)  venules 
B)  arteries 
C)  arterioles 
D)  veins

Question 5

Gee's arm was cut during an industrial accident. The blood was pouring from the wound in spurts. Which type of vessel was severed?

Accepted Answer

A)  artery 
B)  vein 
C)  capillary 
D)  lymphatic vessel 
A)  artery 
B)  vein 
C)  capillary 
D)  lymphatic vessel

Question 6

Why do physicians often examine the lymph nodes of cancer patients?

Accepted Answer

When cancer spreads from its o

Question 7

A physician has a patient with an abnormal heart sound. After running some tests, the doctor decides that the patient has a heart murmur, but the condition is not severe enough to warrant open-heart surgery. Which of the following would lead the doctor to make this determination?

Accepted Answer

A)  The amount of blood flowing backward in the heart is not enough to strain the heart as it works harder to catch up. 
B)  The heart sounds are due to air moving through the system and cannot be removed via surgical techniques. 
C)  The amount of blood lost is easily replaced with a transfusion of extra blood. 
D)  A heart murmur is actually caused by a harmless lung irregularity. 
A)  The amount of blood flowing backward in the heart is not enough to strain the heart as it works harder to catch up. 
B)  The heart sounds are due to air moving through the system and cannot be removed via surgical techniques. 
C)  The amount of blood lost is easily replaced with a transfusion of extra blood. 
D)  A heart murmur is actually caused by a harmless lung irregularity.

Question 8

The coronary arteries supply blood to cardiac tissue. Which chamber of the heart requires the greatest amount of blood supply to keep it working?

Accepted Answer

A)  right ventricle 
B)  left ventricle 
C)  left atrium 
D)  right atrium 
A)  right ventricle 
B)  left ventricle 
C)  left atrium 
D)  right atrium

Question 9

Match between columns
                        Premises: The blood vessels that are the site of gas exchange.
Veins that carry oxygenated blood from the lungs to the heart.
System that consists of both the cardiovascular and the lymphatic systems.
The site where certain lymphocytes mature, enabling them to fight specific disease-causing organisms.
Vessels that carry blood back to the heart from the body.
A lymphatic organ that functions to remove old red blood cells, foreign debris, and microorganisms from the blood.
The blood vessels that function to carry blood from the head to the heart.
Structures that function to protect the throat against bacteria and foreign agents.
The major artery that delivers blood to the body.
This simple practice will reduce your chance of heart disease and stroke.

Accepted Answer

The Answer of Thymus and Pulmonary veins and Veins and is...

Question 10

A certain infectious disease can cause swellings on the aortic semilunar valve. The valve will then fail to close properly, resulting in ________.

Accepted Answer

A)  atherosclerosis 
B)  backflow 
C)  aneurysm 
D)  varicose veins 
A)  atherosclerosis 
B)  backflow 
C)  aneurysm 
D)  varicose veins

Question 11

The cardiovascular system consists of the ________ and ________.

Accepted Answer

heart; blo

Question 12

A heart ________ can be heard with a stethoscope and is an indication to a physician of disturbed blood flow due to a damaged heart valve.

Accepted Answer

The answer of A heart ________ can be heard with...

Question 13

Which of these is the most correct sequence of signals?

Accepted Answer

A)  SA node > Purkinje fibers > AV node > AV bundle > walls of the ventricle 
B)  SA node > AV bundle > AV node > ST segment > Purkinje fibers 
C)  SA node > AV bundle > AV node > ST segment 
D)  SA node > AV node > AV bundle > Purkinje fibers > walls of the ventricle 
A)  SA node > Purkinje fibers > AV node > AV bundle > walls of the ventricle 
B)  SA node > AV bundle > AV node > ST segment > Purkinje fibers 
C)  SA node > AV bundle > AV node > ST segment 
D)  SA node > AV node > AV bundle > Purkinje fibers > walls of the ventricle

Exam 15: The Cardiovascular and Lymphatic Systems

What structures regulate blood flow into capillary beds?

Which of the following causes blood to move through veins?

A(n) ________ is a recording of the electrical activities of the heart.

Which of these are the smallest of veins that form when capillaries merge?

Gee's arm was cut during an industrial accident. The blood was pouring from the wound in spurts. Which type of vessel was severed?

Why do physicians often examine the lymph nodes of cancer patients?

A physician has a patient with an abnormal heart sound. After running some tests, the doctor decides that the patient has a heart murmur, but the condition is not severe enough to warrant open-heart surgery. Which of the following would lead the doctor to make this determination?

The coronary arteries supply blood to cardiac tissue. Which chamber of the heart requires the greatest amount of blood supply to keep it working?

A certain infectious disease can cause swellings on the aortic semilunar valve. The valve will then fail to close properly, resulting in ________.

The cardiovascular system consists of the ________ and ________.

A heart ________ can be heard with a stethoscope and is an indication to a physician of disturbed blood flow due to a damaged heart valve.

Which of these is the most correct sequence of signals?

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