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Hbs Blood Flow Heart

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

The smallest blood vessel connecting arteries and veins

a)
Artery
b)
Capillary
c)
Thrombus
d)

Vein

2.
The __________________ side of the heart pumps oxygenated blood into systemic circulation
a)
Right
b)
Left
3.
The top number of a blood pressure reading represents the _________________ pressure, or when the ventricles are contracting
a)
Diastolic
b)
Systolic
4.
The bottom number of a blood pressure reading represents the __________________ pressure, of the resting phase of the heart when blood is entering the chambers
a)
Diastolic
b)
Systolic
5.
Which heart valve is between the right atrium and right ventricle? 
a)
Tricuspid
b)
Bicuspid
c)
Mitral
d)
None of these
6.
Veins have ______ blood pressure compared to arteries
a)
Higher
b)
The same 
c)
Lower
7.
What type of blood vessels carry blood TO the heart?
a)
arteries
b)
veins
c)
capillaries
8.

What area of the heart's electrical conduction is known as the "pacemaker" of the heart?

a)

Purknife fibers

b)

SA node

c)

Bundle of his

d)

Bachmann's bundle

9.

What area of the heart is responsible for the delay of conduction between the atrium and ventricles?

a)

Right bundle branch

b)

AV node

c)

Bundle of his

d)

Bachmann bundle

10.
What is going on in the heart during the P wave
a)
SA node triggers depolarization in atria
b)
AV node triggers depolarization in ventricle, the main pumpung action
c)
Delay caused by the SA node
d)
Repolarization of the ventricle 
11.

What part of an ECG represents the depolarization of the ventricles?

a)

P Wave

b)

QRS Complex

c)

T Wave

12.

What is the name of the circled area of the ECG in the diagram?

a)

P Wave

b)

QRS Complex

c)

T Wave

d)

Cardiac Cycle

13.

What is the function of the S-T Segment in the heart?

a)

Ventricles contract and pump blood

b)

Ventricular depolarization

c)

Firing of AV node

d)

SA node fires when atria is full of blood

14.

What is the average stroke volume of the heart per beat?

a)

125 mL/beat

b)

50 mL/beat

c)

75 mL/beat

d)

100 mL/beat

15.

Prevention of backflow is the function of the

a)

pulmonary arteries

b)

valves

c)

septums

d)

vena cava

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