Question 1

Impulses carried to the heart by means of fibers that secrete acetylcholine are __________ impulses and cause the heart rate to __________.

Accepted Answer

A)   parasympathetic; increase
B)   parasympathetic; decrease
C)   sympathetic; increase
D)   sympathetic; decrease
E)   somatic; decreaseF) A) and D)
G) All of the above

Question 2

What is the complete set of contraction and relaxation events that constitutes one heartbeat called?

Accepted Answer

A)   Systole
B)   Stroke volume
C)   Cardiac cycle
D)   DiastoleE) A) and B)
F) A) and C)

Question 3

The heart is in the pericardial cavity.

Accepted Answer

A) True 
 B)False

Question 4

Parasympathetic stimulation of the heart decreases the heart rate, and sympathetic stimulation increases the heart rate.

Accepted Answer

A) True 
 B)False

Question 5

Blood leaving the soleus muscle would first flow into the __________ vein.

Accepted Answer

The answer of Blood leaving the soleus muscle would first...

Question 6

The T wave of an ECG pattern represents the repolarization of the __________.

Accepted Answer

The answer of The T wave of an ECG pattern...

Question 7

What is the result of the capillary blood pressure in the arteriolar ends of capillaries being higher than the osmotic pressure?

Accepted Answer

A)   More fluid flows into the capillaries than moves out.
B)   The lymphatic vessels push fluid into the capillaries.
C)   The pressure in the venules increases.
D)   More fluid leaves the capillaries than returns.
E)   More fluid flows into the venules.F) C) and E)
G) B) and C)

Question 8

In an electrocardiogram (ECG)  pattern, the P-Q interval indicates how long it takes for the cardiac impulse to travel between what two places?

Accepted Answer

A)   Sinatrial (S
A)   node to the atrial muscle fibers
B)   Sinoatrial (S
A)   node through the atrioventricular (AV)  node
C)   Atrioventricular (AV)  node to the atrial muscle fibers
D)   Atrioventricular (AV)  node to the ventricular muscle fibers
E)   Sinoatrial (S
A)   node to the ventricular muscle fibersF) D) and E)
G) All of the above

Question 9

A result of liver disease is a decrease in blood protein levels, which can affect capillary exchange. What affect would this have on the net filtration pressure?

Accepted Answer

A)   Net filtration pressure woud increase, resulting in edema.
B)   Net filtration pressure would decrease, resulting in edema.C) A) and B)
D) undefined

Question 10

What vein drains blood from the face and scalp?

Accepted Answer

A)   External jugular vein
B)   Subclavian vein
C)   Inferior vena cava
D)   Cephalic vein
E)   Superior vena cavaF) A) and C)
G) C) and E)

Question 11

Osmotic capillary pressure forces fluid out of the blood and into the tissues.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following would cause a decrease in cardiac output?

Accepted Answer

A)   An increase in venous return
B)   An increase in parasympathetic stimulation
C)   An increase in blood-potassium concentration
D)   An increase in heart rateE) B) and C)
F) C) and D)

Question 13

What layer of a blood vessel wall is made of connective tissue and attaches the vessel to surrounding tissues?

Accepted Answer

A)   Epithelium
B)   Tunica interna
C)   Tunica media
D)   Tunica externa
E)   Smooth muscleF) All of the above
G) B) and D)

Question 14

What region of the body receives its blood supply from the vertebral arteries?

Accepted Answer

A)   The thoracic region
B)   The brain
C)   The upper extremity
D)   The pelvic regionE) B) and C)
F) A) and B)

Question 15

Drinking too much water would __________ blood viscosity and subsequently __________ peripheral resistance.

Accepted Answer

A)   increase; increase
B)   increase; decrease
C)   decrease; increase
D)   decrease; decreaseE) B) and D)
F) A) and D)

Question 16

What does the Frank-Starling law of the heart state?

Accepted Answer

A)   The greater the length of myocardial fibers, the greater the force with which they contract
B)   The lesser the length of myocardial fibers, the greater the force with which they contract
C)   The lesser the blood volume, the greater the force of ventricular contraction
D)   The lesser the blood viscosity, the lesser the force of ventricular contraction
E)   The greater the peripheral resistance, the lesser the ventricular contractionF) A) and B)
G) A) and C)

Question 17

What is the longest vein in the body?

Accepted Answer

A)   Inferior vena cava
B)   Great cardiac vein
C)   Cephalic vein
D)   Great saphenous vein
E)   Femoral veinF) All of the above
G) None of the above

Question 18

Due to the small diameter of the atrioventricular(AV) node conduction fibers, impulses are accelerated.

Accepted Answer

A) True 
 B)False

Question 19

A mass of interconnected cardiac muscle cells that act as a group constitutes a(n) __________.

Accepted Answer

functional...

Question 20

The blood vessel that supplies blood to the coronary arteries is the __________.

Accepted Answer

A)   aorta
B)   superior vena cava
C)   coronary sinus
D)   left pulmonary artery
E)   left pulmonary veinF) None of the above
G) A) and D)

Exam 13: Cardiovascular System

What does the Frank-Starling law of the heart state?

Correct AnswerverifiedShow Answer

Osmotic capillary pressure forces fluid out of the blood and into the tissues.

Correct AnswerverifiedShow Answer

Parasympathetic stimulation of the heart decreases the heart rate, and sympathetic stimulation increases the heart rate.

Correct AnswerverifiedShow Answer

Blood leaving the soleus muscle would first flow into the __________ vein.

Correct AnswerverifiedShow Answer

What is the complete set of contraction and relaxation events that constitutes one heartbeat called?

Correct AnswerverifiedShow Answer

What region of the body receives its blood supply from the vertebral arteries?

Correct AnswerverifiedShow Answer

Drinking too much water would __________ blood viscosity and subsequently __________ peripheral resistance.

Correct AnswerverifiedShow Answer

Due to the small diameter of the atrioventricular(AV) node conduction fibers, impulses are accelerated.

Correct AnswerverifiedShow Answer

What vein drains blood from the face and scalp?

Correct AnswerverifiedShow Answer

The T wave of an ECG pattern represents the repolarization of the __________.

Correct AnswerverifiedShow Answer

What is the longest vein in the body?

Correct AnswerverifiedShow Answer

The heart is in the pericardial cavity.

Correct AnswerverifiedShow Answer

In an electrocardiogram (ECG) pattern, the P-Q interval indicates how long it takes for the cardiac impulse to travel between what two places?

Correct AnswerverifiedShow Answer

What layer of a blood vessel wall is made of connective tissue and attaches the vessel to surrounding tissues?

Correct AnswerverifiedShow Answer

A mass of interconnected cardiac muscle cells that act as a group constitutes a(n) __________.

Correct Answerverifiedfunctional...View AnswerShow Answer

Which of the following would cause a decrease in cardiac output?

Correct AnswerverifiedShow Answer

What is the result of the capillary blood pressure in the arteriolar ends of capillaries being higher than the osmotic pressure?

Correct AnswerverifiedShow Answer

The blood vessel that supplies blood to the coronary arteries is the __________.

Correct AnswerverifiedShow Answer

Impulses carried to the heart by means of fibers that secrete acetylcholine are __________ impulses and cause the heart rate to __________.

Correct AnswerverifiedShow Answer

A result of liver disease is a decrease in blood protein levels, which can affect capillary exchange. What affect would this have on the net filtration pressure?

Correct AnswerverifiedShow Answer

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Drinking too much water would blood viscosity and subsequently peripheral resistance.

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functional...
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Impulses carried to the heart by means of fibers that secrete acetylcholine are impulses and cause the heart rate to .

Correct Answer
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