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Cardiac Anatomy

Total questions: 42

Worksheet time: 23mins

Name
Class
Date
1.

the central compartment in the chest between the lungs that contains the heart, major blood vessels, trachea, esophagus, and thymus.

a)
Pleural space
b)
Pericardium
c)
Thoracic cavity
d)
Mediastinum
2.

grooves between the heart chambers

contain fat and coronary blood vessels

a)
canals
b)
sulci
c)
fissures
d)
valleys
3.

type of heart wall

thin, very elastic

pump blood to ventricles

a)

ventricular walls

b)

atrial walls

4.

type of heart wall

thick, very muscular

pump blood to lungs

a)

ventricular walls

b)

atrial walls

5.

Outer Walls of the Heart

thin, outer layer,

also called visceral layer of serous pericardium

the sac surrounding the heart).

a)

Myocardium

b)

Epicardium

c)

Endocardium

6.

Outer Walls of the Heart

middle layer

made up of cardiac muscle tissue

responsible for the heart's contractions that pump blood

a)

Myocardium

b)

Epicardium

c)

Endocardium

7.

Outer Walls of the Heart

thin, inner lining that covers the heart chambers and valves

a)

Myocardium

b)

Epicardium

c)

Endocardium

8.

outermost layer of the pericardial sac that encloses the heart

dense irregular CT

protects, anchors the heart

prevents overstretching

a)
epicardial layer
b)
fibrous pericardium
c)
myocardial sheath
d)
serous pericardium
9.

which myocardium is thicker ?

a)

Left ventricle myocardium is thicker.

b)
Right ventricle myocardium is thicker.
c)
Atrial myocardium is thicker.
d)
Septal myocardium is thicker.
10.

AV (atrioventricular) valves are between?

a)
The pulmonary and aortic valves.
b)
The atria and ventricles of the heart.
c)
The left and right atria of the heart.
d)
The superior and inferior vena cavae.
11.

Semilunarvalves are between?

a)
The pulmonary and aortic valves.
b)
The atria and ventricles of the heart.
c)
The left and right atria of the heart.
d)
The superior and inferior vena cavae.
12.

what is the purpose of Tricuspid Valve?

a)
To separate oxygenated and deoxygenated blood in the heart.
b)
To prevent backflow of blood from the right ventricle to the right atrium.
c)
To regulate blood pressure in the pulmonary artery.
d)
To allow blood flow from the right atrium to the right ventricle.
13.

What is the purpose of Bicuspid (mitral) Valve?

a)
To prevent backflow of blood from the left ventricle to the left atrium.
b)
To allow blood flow from the left atrium to the left ventricle.
c)
To regulate blood pressure in the left ventricle.
d)
To facilitate oxygen exchange in the left atrium.
14.

only present in AV valves

attach flaps of AV valves to papillary muscles

prevent eversion of AV valves

a)
Tendinous cords
b)

Chordae tendinae

c)
Semilunar valves
d)
Aortic arch
15.

prevents backflow of blood from pulmonary trunk to R ventricle

a)
Aortic valve
b)
Tricuspid valve
c)
Mitral valve
d)
Pulmonary valve
16.

prevents backflow of blood from aorta to L ventricle

a)
Aortic valve
b)
Tricuspid valve
c)
Mitral valve
d)
Pulmonary valve
17.

largest artery of the body

arises from L ventricle

a)
coronary artery
b)
femoral artery
c)
aorta
d)
pulmonary artery
18.

contraction of a ventricle

a)

Systole

b)

Diastole

19.

relaxation of a ventricle

a)

Systole

b)

Diastole

20.

The 3 main stages of Cardiac Cycle

a)

Early Diastole

b)

Mid-to-late Diastole

c)

Ventricular Systole

21.

Atria is relaxed

low blood pressure in the heart

End Diastolic Volume (EDV) is about 130ml

a)

Early Diastole

b)

Mid-to-late Diastole

c)

Ventricular Systole

22.

blood enters pulmonary trunk and ascending aorta

End Systolic Volume (ESV) in the ventricle is 60ml

a)

Early Diastole

b)

Mid-to-late Diastole

c)

Ventricular Systole

23.

ventricles relax

SL valves shut to prevent back flow

atria begin to fill with blood

a)

Early Diastole

b)

Mid-to-late Diastole

c)

Ventricular Systole

24.

In Mid-to-late diastole (relaxation), the valves are:

a)

AV valves are open

b)

SL valves are closed

c)

AV valves are closed

d)

SL valves are open

25.

In ventricular systole, the valves are:

a)

AV valves are open

b)

SL valves are closed

c)

AV valves are closed

d)

SL valves are open

26.

In early diastole, the valves are:

a)

AV valves are open

b)

SL valves are closed

c)

AV valves are closed

d)

SL valves are open

27.

the "lubb" sound is associated with

a)

closure of the atrioventricular (AV) valves

b)

opening of the semilunar (SL) valves

c)

opening of the atrioventricular (AV) valves

d)

closure of the semilunar (SL) valves

28.

the "DUPP" sound is associated with

a)

closure of the atrioventricular (AV) valves

b)

opening of the semilunar (SL) valves

c)

opening of the atrioventricular (AV) valves

d)

closure of the semilunar (SL) valves

29.

amount of blood required by the heart

a)

1/15

b)

1/50

c)

1/30

d)

1/20

30.

vessels that supply the heart with blood

a)
Coronary arteries
b)
Carotid arteries
c)
Aorta branches
d)
Pulmonary veins
31.

which LEFT coronary artery supplies both ventricles?

a)

Post Interventricular branch

b)

Marginal branch

c)

Circumflex branch

d)

Anterior Interventricular Artery

32.

which LEFT coronary artery is found in coronary sulcus

& supplies LEFT atrium and ventricle?

a)

Post Interventricular branch

b)

Marginal branch

c)

Circumflex branch

d)

Left Anterior Descending (LAD)

33.

which RIGHT coronary artery supplies both ventricles?

an anastomosis

a)

Post Interventricular branch

b)

Marginal branch

c)

Circumflex branch

d)

Left Anterior Descending (LAD)

34.

which RIGHT coronary artery supplies RIGHT ventricle?

a)

Post Interventricular branch

b)

Marginal branch

c)

Circumflex branch

d)

Left Anterior Descending (LAD)

35.

union of branches of two or more arteries supplying the same body region

a)
Branching veins
b)
Vascular junctions
c)
Anastomosis
d)
Collaterals
36.

what is the role of anastomoses during collateral circulation?

a)

restrict blood flow during collateral circulation

b)

enhance oxygen consumption in tissues

c)

provide alternate routes

d)

prevent blood vessel formation in collateral circulation

37.

what drains blood from the myocardium?

a)
Cardiac veins
b)
Coronary arteries
c)
Pulmonary veins
d)
Aorta
38.

where does cardiac veins drain the blood into?

a)
Coronary sinus, which drains into the right atrium.
b)
Superior vena cava, which returns blood to the heart.
c)
Aorta, which distributes blood to the body.
d)
Pulmonary veins, which drain into the left atrium.
39.

where is small cardiac vein located?

a)

R atrium

b)

R ventricle

c)

L ventricle

d)

L atrium

40.

where is anterior cardiac vein located?

a)

R atrium

b)

R ventricle

c)

L ventricle

d)

L atrium

41.

where is middle cardiac vein located?

a)

R atrium

b)

R ventricle

c)

L ventricle

d)

L atrium

42.

where is great cardiac vein located?

a)

R atrium

b)

R ventricle

c)

L ventricle

d)

L atrium

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