Cardiovascular System Chapter 18

Question 1

Deoxygenated blood can be found in the:

Answer 1

right atrium and right ventricle

Question 2

Place the following in order of the path that blood travels starting at the left lung:
A. aorta
B. inferior vena cava
C. mitral valve
D. pulmonary arteries
E. pulmonary valve
F. pulmonary veins
G. right atrium

Answer 2

FCABGED

Question 3

The mitral valve is:

Answer 3

attached to chordae tendineae / a “purse-string” type valve

Question 4

The superior part of the heart where the great vessels enter is called the cardiac:

Answer 4

base

Question 5

The heart wall is superficially lined by:

Answer 5

mesothelium

Question 6

The ___________ is part of BOTH the heart wall and body wall:

Answer 6

pericardium

Question 7

Chordae tendineae connect the (a) ___________ to the (b) ___________:

Answer 7

(a) atrioventricular valves (b) ventricular wall

Question 8

characteristics of heart muscle

Answer 8

automaticity
depolarizes as single unit
long absolute refractory period
only do aerobic respiration
terminally differentiated

Question 9

Place the following in order as the depolarizing wave spreads:
A. atrioventricular node
B. atrioventricular bundle
C. bundle branches
D. atrial myocardium / internodal tracts
E. Purkinje fibers
F. sinoatrial node
G. ventricular wall myocardium

Answer 9

FDABCEG

Question 10

Place the following in order as you would while explaining how the heart pumps blood.
A. closing and opening of valves
B. depolarization of the conducting cells
C. ejection of blood into the vessels
D. increasing pressure in the chambers
E. myocardial cell contraction

Answer 10

BEDAC

Question 11

When ventricular pressure falls below aortic/arterial pressure then the:

Answer 11

SLV’s close

Question 12

During the cardiac cycle, which of the following is TRUE?

Answer 12

atria contract while ventricles are relaxed

Question 13

Which of the following causes the heart sounds S1 and S2?

Answer 13

closure of heart valves

Question 14

A stenotic (stiff and narrow) aortic valve would cause a murmur heard loudest during:

Answer 14

ejection

Question 15

When does blood enter the ventricle at the fastest rate?

Answer 15

early in diastole

Question 16

T wave represents

Answer 16

ventricular repolarization

Question 17

P wave represents

Answer 17

atrial depolarizations

Question 18

QRS wave represents

Answer 18

ventricular depolarization

Question 19

Cardiac output is equal to:

Answer 19

stroke volume TIMES heart rate (SV∙HR)

Question 20

Increased parasympathetic activity to the heart would:

Answer 20

decrease only heart rate

Question 21

Which of these is TRUE regarding the epicardium:

Answer 21

it is also known as the visceral pericardium

Question 22

Place the following in order as blood flows starting from the left lung:

Answer 22

DBAEC

Question 23

The reason the heart contracts as a unit is mainly due to the:

Answer 23

intercalated disc

Question 24

The endocardium is apically lined by

Answer 24

endothelial cells

Question 25

Which valve prevents blood from flowing backwards into the right venticle?

Answer 25

pulmonary valve