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Cardiovascular System

Total questions: 28

Worksheet time: 14mins

Name
Class
Date
1.

How many chambers does the heart have ?

a)

1

b)

2

c)

3

d)

4

2.

The top 2 chambers of the heart are called

a)

atria

b)

ventricles

c)

arteries

d)

aorta

3.

Name of the valve that separates right atrium from right ventricle.

a)
tricuspid
b)
aortic
c)
mitral
4.

Valve where blood is forced through from right ventricle into pulmonary arteries.

a)

pulmonary semi lunar valve

b)

aortic valve

c)

mitral valve

5.

Which is the correct flow of blood?

a)

R. atrium --> R. Ventricle --> pulmonary artery

b)

R. atrium --> L. atrium --> aorta

c)

L. ventricle --> pulmonary artery --> aorta

d)

L. ventricle --> L. atrium --> aorta

6.

................................... of the heart has the thick muscular wall because it pumps the blood to the systemic circuit

a)

left ventricle

b)

Right ventricle

c)

right atrium

d)

left atrium

7.

The purpose of heart valves is to ........

a)
set the pace at which the heart beats
b)
prevent blood from flowing backward
c)
oxygenate the blood as it passes through the valve
d)
add minerals to the blood
8.
The valves between the atria and ventricles are known as the ________ valves.
a)
atrioventricular
b)
aortic
c)
semilunar
d)
pulmonary
9.

The _________ pumps blood to the lungs.

a)
Right Atrium
b)
Right Ventricle
c)
Left Atrium
d)
Left Ventricle
10.
Where is the tricuspid valve located?
a)
Between the right atrium and right ventricle
b)
Between the left atrium and the left ventricle
c)
Between the right ventricle and the pulmonary artery
d)
Between the right atrium and the left atrium
11.
The large veins that bring the blood back to the heart from the body is the?
a)
Vena Cava
b)
Aorta
c)
Coronary artery
d)
Capillary
12.

Vessel where deoxygenated blood enters the right atrium from the top of the heart.

a)

inferior vena cava

b)

superior vena cava

c)

aorta

13.

Blood enters the right atrium through which vessels?

a)

Superior and Inferior Vena Cava

b)

Pulmonary Artery

c)

Pulmonary Vein

d)

Tricuspid Valve

14.
Identify the structure the arrow is pointing to
a)
right atrium
b)
right ventricle
c)
left atrium
d)
left ventricle
15.
Identify the structure the arrow is pointing to
a)
right atrium
b)
right ventricle
c)
left atrium
d)
left ventricle
16.
Identify the structure the arrow is pointing to
a)
right atrium
b)
right ventricle
c)
left atrium
d)
left ventricle
17.
Identify the structure the arrow is pointing to
a)
right atrium
b)
right ventricle
c)
left atrium
d)
left ventricle
18.
Identify the structure the arrow is pointing to
a)
Pulmonary Vein
b)
Pulmonary Artery
c)
Vena Cava
d)
Aorta
19.

The 'Lub' sound of the heart is when ..........

a)

Atrioventricular valve closes

b)

Semilunar valve closes

c)

Blood flowing through the pulmonary trunk and aorta

d)

Blood Flowing down into the ventricles

20.

The 'Dub' sound of the heart is when ........

a)

Atrioventricular valve closes

b)

Semilunar valve closes

c)

Blood flowing through the pulmonary trunk and aorta

d)

Blood Flowing down into the ventricles

21.
What is the definition of the Cardiac Cycle?
a)
the contraction of the atria
b)
the sequence of events that occur during one complete heartbeat
c)
the contraction and relaxation of the ventricles
d)
the circulation of blood in the heart
22.

A complete of a cardiac cycle takes place for about ........

a)

8 seconds

b)

0.8 second

c)

0.3 second

d)

0.4 second

23.

During Atrial systole & Ventricular diastole phase, which event is correct?

a)

Blood flow from atria into ventricles

b)

AV valves closed

c)

Pressure in ventricles are greater than atria

d)

Semilunar valves open

24.

This is the pacemaker of the heart (#1)

a)

SA node

b)

AV node

c)

Purkinje fibers

d)

bundle of his

e)

right and left bundle branches

25.

Specialized conduction tissue in the interventricular septum; divides into the right and left branches. (#5)

a)

SA node

b)

AV node

c)

Purkinje fibers

d)

bundle of his

e)

right and left bundle branches

26.

Where the electrical signal arises in normal sinus rhythm. (#1)

a)

SA node

b)

AV node

c)

Purkinje fibers

d)

bundle of his

e)

right and left bundle branches

27.

The electrical signal spreads from the conduction tissue in the atria to this structure. It slows the signal for a short time to allow the atria to contract before the signal is sent to the ventricles. (#2)

a)

SA node

b)

AV node

c)

Purkinje fibers

d)

bundle of his

e)

right and left bundle branches

28.

Fast-conducting fibers that spread the electrical signal throughout the ventricular wall (#3)

a)

SA node

b)

AV node

c)

Purkinje fibers

d)

bundle of his

e)

right and left bundle branches

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