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Heart regulation

Total questions: 62

Worksheet time: 49mins

Name
Class
Date
1.

Diastole refers to what action?

a)

Filling

b)

Pumping

2.

Systole refers to what action?

a)

Filing

b)

Pumping

3.

The Vena Cava delivers blood to the heart into the.....

a)

left atrium

b)

right atrium

c)

left ventricle

d)

right ventricle

4.
Why are the walls of the left ventricle thicker than that of the right ventricle?
a)
The left ventricle must force blood into all the capillaries of the lungs 
b)
the left ventricle doesn't skip leg day
c)
This is false, the walls of the right ventricle are thicker
d)
Blood from the left ventricle is pumped throught the entire body 
5.
A flap of tissue that prevents blood from flowing backward
a)
Aorta
b)
Atrium
c)
Septum
d)
Valve
6.
An electrocardiogram measures what?
a)
The amount of pressure exerted on blood vessels.
b)
The electrical activity of the heart.
c)
How many times the heart contracts over time.
d)
The body's temperature caused by friction of blood in vessel.
7.
For a blood pressure reading, the number on top measures...
a)
Diastolic Pressure
b)
Systolic Pressure
c)
Diastemic Pressure
d)
Systemic Pressure
8.
Normal blood pressure is...
a)
120/80 mmHg
b)
80/120 mmHg
c)
140/90 mmHg
d)
80/140 mmHg
9.
The 'Lub' sound of the heart's LUB DUB? are the....
a)
Atrioventricular valves closing
b)
Semilunar Valves closing
c)
Blood flowing through the Pulmonary Trunk and Aorta
d)
Blood Flowing down into the venticles
10.
The 'Dub' sound of the heart's LUB DUB? are the....
a)
Atrioventricular valves closing
b)
Semilunar Valves closing
c)
Blood flowing through the Pulmonary Trunk and Aorta
d)
Blood Flowing down into the venticles
11.
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
12.

If there is higher pressure in the aorta, there will be no movement of blood out of the ventricle

a)

True

b)

False

13.

The function of the atrium

a)

To collect blood

b)

To pump blood to the lungs

c)

To pump blood into systemic circulation

d)

To pump blood to the heart muscle

14.

The entrance to the ascending aorta is guarded by

a)

an atrioventricular valve

b)

bicuspid valve

c)

semilunar valve

d)

tricuspid valve

15.

The opening of semilunar valves is due to

a)

increased ventricular pressure

b)

decrease ventricular pressure

c)

increased aortic pressure

d)

increase in artrial volume

16.

If ventricular pressure is low, what will happen to the arterioventricular valves?

a)

close

b)

open

17.

During artrial systole, the ventricles are

a)

in systole

b)

in diastole

c)

contracting

d)

not filling

18.

During isovolumetric ventricular contraction

a)

closure of semilunar valves

b)

closure of AV valves

c)

rushing of blood into ventricles

d)

contraction of atrial musculature

19.

The relation with ECG, during third heart sound,

a)

coincides with R wave

b)

coincides or after submit of T waves

c)

between T & P wave

d)

between P and Q wave

20.
What is the sequence of events in the transmission of an impulse through the heart muscle?
 a: AV node
 b: AV bundle
 c: SA node
 d: Through the atria
 e: Through the ventricles
 f: Bundle branches
 g: Purkinje fibers 
a)
d, b, a, c, f, g, e

b)
c, d, a, b, f, g, e

c)
b, a, d, c, f, g, e

d)
f, g, d, c, b, a, e

21.
Order the phases an action potential travels in the conduction system
a)
SA node--> AV bundle branches--> AV node--> Purkinje fibers
b)
SA node--> AV node--> AV bundle branches-->  Purkinje fibers
c)
Av bundle branches--> AV node--> SA node--> Purkinje fibers
d)
Purkinje fibers--> SA node--> AV node--> AV bundle branches
22.
The role of the atrioventricular node (AV node) is to
a)
initiate a sinus rhythm
b)
conduct impulses to the sinoatrial node (SA node)
c)
initiate ventricular depolarization
d)
slow down impulses so that the atria can contract to fill the adjacent ventricles with blood
23.
The second heart sound (the dup of the lub-dup) is caused by the
a)
opening of the pulmonary and aortic valves
b)
closure of the tricuspid and bicuspid valves
c)
closure of the pulmonary and aortic valves
d)
opening of the tricuspid and bicuspid valves
24.
During atrial contraction and ventricular filling,
a)
the AV valves are open
b)
the semilunar valves are open
c)
the ventricles are contracted
d)
the atria are relaxed
25.
The semilunar valves are only open during which phase
a)
atrial contraction and ventricular filling
b)
isovolumetric contraction
c)
ventricular ejection
d)
isovolumetric relaxation
26.
During ventricular ejection
a)
only the AV valves open
b)
the semilunar valves open and the AV valves close
c)
only the semilunar valves close
d)
the semilunar valves close and the AV valves open
27.

The Purkinje fibers are indicated by ________.

a)

A

b)

B

c)

C

d)

D

e)

E

28.

The atrioventricular bundle (bundle of His) is represented by ________.

a)

A

b)

B

c)

C

d)

D

e)

E

29.

The bundle branches are indicated by ________.

a)

A

b)

B

c)

C

d)

D

e)

E

30.

The two superior receiving chambers of the heart are known as the ________, while the two inferior discharging chambers of the heart are known as the ________.

a)

ventricles; atria

b)

atria; ventricles

c)

arteries; veins

d)

veins; arteries

31.

Blood leaves the left ventricle through an artery known as the ________.

a)

pulmonary trunk

b)

aorta

c)

superior vena cava

d)

coronary sinus

32.

The two superior receiving chambers of the heart are known as the ________, while the two inferior discharging chambers of the heart are known as the ________.

a)

ventricles; atria

b)

atria; ventricles

c)

arteries; veins

d)

veins; arteries

33.

The walls of the ________ are substantially thicker because that chamber acts as the more powerful systemic pump of the heart.

a)

left atrium

b)

left ventricle

c)

right atrium

d)

right ventricle

34.
The emptying of the atria is controlled by the:
a)
SA node
b)
AV node
c)
Purkinje fibres
d)
Bundle of His
35.
The pacemaker of the heart is also known as the....
a)
AV node
b)
SA node
c)
Purkinje fibres
d)
Bundle of His
36.
What fibres allow the ventricles to contract?
a)
SA
b)
AV
c)
Purkinje
d)
Bundle of His
37.
During the systole phase of the cardiac cycle, the ventricles....
a)
Contract
b)
Relax
38.
The heart muscle that these electrical signals control is known as the myocardium
a)
True
b)
False
39.
Which node delays the ventricles from firing before fully filled?
a)
AV
b)
SA
40.
During ventricular ejection
a)
only the AV valves open
b)
the semilunar valves open and the AV valves close
c)
only the semilunar valves close
d)
the semilunar valves close and the AV valves open
41.

Deoxygenated blood is found on the left side of the heart. True or false?

a)

True

b)

False

42.

During ventricular systole what is happening?

a)

the ventricles are relaxed and the atria contracted

b)

the ventricles and the atria are relaxed

c)

the ventricles and the atria are contracted

d)

the ventricles are contracted and the atria are relaxed

43.
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
44.
The P wave of an ECG represents
a)
atrial repolarization
b)
atrial depolarization
c)
ventricular repolarization
d)
ventricular depolarization
45.
Which of the following pairs of words are not equivalent ?
a)
Systole : Contraction
b)
Contraction : Depolarization
c)
Diastole : Deploarization
d)
Relaxation : Repolarization
46.
T/F: Heart murmurs are indicative of the valves of the heart not functioning properly: 
a)
True
b)
False
47.
During atrial contraction and ventricular filling,
a)
the AV valves are open
b)
the semilunar valves are open
c)
the ventricles are contracted
d)
the atria are relaxed
48.

The sinoatrial (SA) node is indicated by ________.

a)

A

b)

B

c)

C

d)

D

e)

E

49.

The atrioventricular bundle (bundle of His) is represented by ________.

a)

A

b)

B

c)

C

d)

D

e)

E

50.

The bundle branches are indicated by ________.

a)

A

b)

B

c)

C

d)

D

e)

E

51.

The two superior receiving chambers of the heart are known as the ________, while the two inferior discharging chambers of the heart are known as the ________.

a)

ventricles; atria

b)

atria; ventricles

c)

arteries; veins

d)

veins; arteries

52.

Which valve is located between the right atrium and right ventricle?

a)

pulmonary semilunar valve

b)

tricuspid valve

c)

bicuspid (mitral) valve

d)

aortic semilunar valve

53.

The transportation of blood from the right side of the heart to the lungs and back to the left side of the heart is known as ________ circulation.

a)

systemic

b)

cardiac

c)

pulmonary

d)

coronary

54.

A homeostatic imbalance of the heart that occurs when the muscle cells of the heart die is called

a)

Myocardial infaction (MI)

b)

pericarditis

c)

congestive heart failure

d)

heart stoppage

55.

Normal resting heart rate is ________bpm

a)

95

b)

110

c)

75

d)

60

56.
The emptying of the atria is controlled by the:
a)
SA node
b)
AV node
c)
Purkinje fibres
d)
Bundle of His
57.
The pacemaker of the heart is also known as the....
a)
AV node
b)
SA node
c)
Purkinje fibres
d)
Bundle of His
58.
The heart muscle that these electrical signals control is known as the myocardium
a)
True
b)
False
59.
During ventricular ejection
a)
only the AV valves open
b)
the semilunar valves open and the AV valves close
c)
only the semilunar valves close
d)
the semilunar valves close and the AV valves open
60.
Which node delays the ventricles from firing before fully filled?
a)
AV
b)
SA
61.
Which node delays the ventricles from firing before fully filled?
a)
AV
b)
SA
62.
Which node delays the ventricles from firing before fully filled?
a)
AV
b)
SA

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