Question 1

When taking a blood pressure, a vessel in the arm is occluded, and sounds of blood flow downstream are heard through a stethoscope placed on what vessel?

Accepted Answer

A)   Brachial a.
B)   Median cubital v.
C)   Radial a.
D)   Ulnar a.
E)   Cephalic v.F) B) and D)
G) B) and C)

Question 2

If the aortic baroreceptor senses an increased stretch of the aorta, how will the nervous system respond?

Accepted Answer

A)   Sympathetic signals will be sent to increase heart rate.
B)   Parasympathetic signals will be sent to decrease heart rate.
C)   Parasympathetic signals will be sent to increase heart rate.
D)   Sympathetic signals will be sent to decrease heart rate.E) All of the above
F) None of the above

Question 3

Which blood vessel type has the lowest blood pressure?

Accepted Answer

A)   Arteries
B)   Veins
C)   Capillaries
D)   Venules
E)   ArteriolesF) A) and B)
G) C) and D)

Question 4

What layer of the heart wall is mostly cardiac muscle tissue?

Accepted Answer

A)   Epicardium
B)   Myocardium
C)   Endocardium
D)   PericardiumE) A) and D)
F) A) and C)

Question 5

Which of the following helps return blood to the heart?

Accepted Answer

A)   Increased thoracic pressure
B)   Valves in the arteries
C)   Contracting skeletal muscles
D)   Capillary action
E)   Ventricular contractionF) A) and B)
G) A) and C)

Question 6

Blood that is pumped from the right ventricle passes through the aortic valve.

Accepted Answer

A) True 
 B)False

Question 7

To examine blood flow through an area more closely, a radiologist can inject contrast dye into an artery for an angiogram. If the dye was injected into the internal carotid artery, the radiologist is trying to examine blood flow through what area of the body?

Accepted Answer

A)   The brain
B)   The heart
C)   The arms and the hands
D)   The large intestine and portions of the small intestine
E)   The faceF) A) and E)
G) B) and E)

Question 8

The endocardial layer of the heart wall is the innermost layer and is in direct contact with the blood.

Accepted Answer

A) True 
 B)False

Question 9

What chamber of the heart pumps blood to the left lung?

Accepted Answer

A)   Left ventricle
B)   Right ventricle
C)   Left atrium
D)   Right atriumE) All of the above
F) A) and C)

Question 10

What part of the ECG pattern is due to depolarization of the ventricles?

Accepted Answer

A)   P wave
B)   PR interval
C)   QRS complex
D)   T wave
E)   PQ intervalF) C) and D)
G) A) and D)

Question 11

Venous pathways commonly connect in irregular networks and may have many unnamed tributaries.

Accepted Answer

A) True 
 B)False

Question 12

In what type of blood vessel is the tunica media the thickest?

Accepted Answer

A)   Arteries
B)   Veins
C)   Capillaries
D)   Arterioles
E)   VenulesF) D) and E)
G) A) and D)

Question 13

Capillary exchange of gases, nutrients, and waste is accomplished by diffusion, osmosis, and filtration.

Accepted Answer

A) True 
 B)False

Question 14

The innermost layer of the pericardial sac that also covers the surface of the heart is the parietal pericardium.

Accepted Answer

A) True 
 B)False

Question 15

When the blood pressure increases, veins function as blood reservoirs and respond by constricting their walls.

Accepted Answer

A) True 
 B)False

Question 16

The __________ drains blood from the wall of the heart into the right atrium.

Accepted Answer

The answer of The __________ drains blood from the wall...

Question 17

What part of the conduction system fibers extend into the papillary muscles?

Accepted Answer

A)   SA node
B)   AV node
C)   Bundle branches
D)   Purkinje fibersE) A) and C)
F) A) and B)

Question 18

All venous blood returns to the heart through the superior or inferior vena cava.

Accepted Answer

A) True 
 B)False

Question 19

The atrioventricular (AV) node is responsible for starting the rhythmic contractions of the heart.

Accepted Answer

A) True 
 B)False

Question 20

What large blood vessel is formed by veins leaving digestive organs, such as the stomach, spleen, and intestines?

Accepted Answer

A)   Celiac vein
B)   Hepatic portal vein
C)   Hepatic vein
D)   Inferior vena cavaE) A) and B)
F) A) and C)

Exam 13: Cardiovascular System

Venous pathways commonly connect in irregular networks and may have many unnamed tributaries.

Correct AnswerverifiedShow Answer

What layer of the heart wall is mostly cardiac muscle tissue?

Correct AnswerverifiedShow Answer

The endocardial layer of the heart wall is the innermost layer and is in direct contact with the blood.

Correct AnswerverifiedShow Answer

The __________ drains blood from the wall of the heart into the right atrium.

Correct AnswerverifiedShow Answer

Which of the following helps return blood to the heart?

Correct AnswerverifiedShow Answer

All venous blood returns to the heart through the superior or inferior vena cava.

Correct AnswerverifiedShow Answer

What part of the ECG pattern is due to depolarization of the ventricles?

Correct AnswerverifiedShow Answer

In what type of blood vessel is the tunica media the thickest?

Correct AnswerverifiedShow Answer

To examine blood flow through an area more closely, a radiologist can inject contrast dye into an artery for an angiogram. If the dye was injected into the internal carotid artery, the radiologist is trying to examine blood flow through what area of the body?

Correct AnswerverifiedShow Answer

Capillary exchange of gases, nutrients, and waste is accomplished by diffusion, osmosis, and filtration.

Correct AnswerverifiedShow Answer

The innermost layer of the pericardial sac that also covers the surface of the heart is the parietal pericardium.

Correct AnswerverifiedShow Answer

Which blood vessel type has the lowest blood pressure?

Correct AnswerverifiedShow Answer

If the aortic baroreceptor senses an increased stretch of the aorta, how will the nervous system respond?

Correct AnswerverifiedShow Answer

What chamber of the heart pumps blood to the left lung?

Correct AnswerverifiedShow Answer

What part of the conduction system fibers extend into the papillary muscles?

Correct AnswerverifiedShow Answer

Blood that is pumped from the right ventricle passes through the aortic valve.

Correct AnswerverifiedShow Answer

When taking a blood pressure, a vessel in the arm is occluded, and sounds of blood flow downstream are heard through a stethoscope placed on what vessel?

Correct AnswerverifiedShow Answer

What large blood vessel is formed by veins leaving digestive organs, such as the stomach, spleen, and intestines?

Correct AnswerverifiedShow Answer

The atrioventricular (AV) node is responsible for starting the rhythmic contractions of the heart.

Correct AnswerverifiedShow Answer

When the blood pressure increases, veins function as blood reservoirs and respond by constricting their walls.

Correct AnswerverifiedShow Answer

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