Quiz about EKG basics

Question 1

Which letter(s) indicates the health of the ventricles?

Accepted Answer

QRS

Answer

T-wave

Answer

S-T waves

Answer

R wave

Question 2

Which letter(s) indicates the health of the atria?

Accepted Answer

P wave only

Answer

QRS

Answer

P-Q wave

Answer

T wave

Question 3

If there is a flat P wave which structures in the heart are damaged?

Accepted Answer

SA/AV node

Answer

Bicuspid valve

Answer

Bundle of His

Answer

Purkinje fibers

Question 4

If the p-wave is high/irregular. What is happening to the atria chamber?

Accepted Answer

Blood is remaining in the chamber

Answer

Blood is traveling too fast

Answer

SA node is damaged

Answer

Heart is not getting enough Oxygen

Question 5

The place where the electrical current starts and is considered the heart's pacemaker:

Accepted Answer

Sino-atrial node

Answer

right atrium

Answer

atria-ventricular node

Answer

left ventricle

Question 6

The p-wave correlates with which event?

Accepted Answer

atrium contraction /signals moving from SA node to AV node

Answer

ventricle contraction

Answer

ventricle repolarization

Answer

both atrial and ventricle contraction

Question 7

The AV node is located at...

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 8

The Purkinje fibers are located at...

Accepted Answer

I

Answer

F

Answer

G

Answer

H

Question 9

The components that indicate the QRS complex is...

Accepted Answer

b,c,d

Answer

a,b,c

Answer

c,d,e

Answer

b,d,e

Question 10

The QRS-wave correlates with which event?

Accepted Answer

ventricle contraction

Answer

atrium contraction /signals moving from SA node to AV node

Answer

ventricle repolarization

Answer

both atrial and ventricle contraction

Question 11

Where is the P wave located?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Answer

E

Question 12

What is considered the QRS complex?

Accepted Answer

B, C, & D

Answer

A, B, & C

Answer

C, D, & E

Answer

D & E

Question 13

What is the T wave located?

Accepted Answer

E

Answer

A

Answer

B

Answer

C

Answer

D

Question 14

What does depolarization result in?

Accepted Answer

contraction

Answer

relaxation

Answer

repulsion

Answer

attraction

Question 15

What does re-polarization result in?

Accepted Answer

relaxation

Answer

contraction

Answer

attraction

Answer

repulsion

Question 16

Where is the SA node located?

Accepted Answer

A

Answer

B

Question 17

Where is the AV node located?

Accepted Answer

B

Answer

A

Question 18

Where does atrial depolarization occur?

Accepted Answer

A

Answer

B, C, and D

Answer

E

Answer

C and D

Question 19

Where does ventricular re-polarization occur?

Accepted Answer

E

Answer

A

Answer

B, C, & D

Answer

C and D

Question 20

Where does ventricular depolarization occur?

Accepted Answer

B, C, & D

Answer

A

Answer

E

Answer

C and D

Question 21

Which node is considered the "pacemaker" of the heart?

Accepted Answer

SA

Answer

AV

Question 22

Where are the Purkinje Fibers located?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 23

Where is the bundle of His located?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 24

Blood enters the heart from the _______?

Accepted Answer

Superior and inferior vena cava

Answer

Bicuspid and Tricuspid

Answer

aorta

Answer

pulmonary artery

Question 25

From the pulmonary valve blood enters the _______?

Accepted Answer

pulmonary artery

Answer

aortic artery

Answer

pulmonary valve

Answer

aortic valve

Question 26

After the blood returns from the lungs, it is now____?

Accepted Answer

oxygenated

Answer

deoxygenated

Answer

purple

Question 27

Once blood passes through the mitral/ bicuspid valve, it enters the________?

Accepted Answer

Right ventricle

Answer

Right atrium

Answer

Left atrium

Answer

Left ventricle

Question 28

Blood is forced from the left ventricle up through the_______ first?

Accepted Answer

aortic valve

Answer

pulmonary valve

Answer

aorta

Answer

tricuspid valve

Question 29

Normal heart rate for an adult is?

Accepted Answer

60 to 100/min

Answer

20 to 100/min

Answer

40 to 120/min

Answer

20 to 60/min

Question 30

The normal heart rhythm is called?

Accepted Answer

Normal sinus rhythm

Answer

Sinus brady

Answer

ventricle fibrillation

Answer

Junctional Rhytms

Question 31

deoxygenated blood coming from____?

Accepted Answer

body to lungs

Answer

head to body

Answer

lungs to body

Answer

lungs to head

Question 32

oxygenated blood returning from ___?

Accepted Answer

Lungs to body

Answer

Body to lungs

Answer

head to body

Answer

lungs to head

Question 33

The SA Node is known as?

Accepted Answer

Pacemaker

Answer

gatekeeper

Answer

ventricle

Answer

cardiac muscle

Question 34

The SA Node generates impulses at?

Accepted Answer

60-100 times per minute

Answer

60-40 times per minute

Answer

40-20 time per minute

Answer

20-100 times per minutes

Question 35

AV Node can fire at a rate of?

Accepted Answer

40-60 times per minute

Answer

60-100 times per minute

Answer

40-20 times per minute

Answer

60-20 times per minute

Question 36

which is the correct order?

Accepted Answer

SA Node, AV Node, Bundle of His, Lt and Rt Bundle Branches, Purkinje Fibers

Answer

AV Node, SA Node, Lt and Rt Bundle Branches, Bundle of His, Purkinje Fibers

Answer

Bundle of His, Lt and Rt Bundle Branches, Bundles of His, Purkinje Fibers, AV Node, SA Node

Answer

Purkinje Fibers, Bundle of His, AV Node, Lt and Rt Bundle Branches

Question 37

Define Depolarization

Accepted Answer

Contraction

Answer

Relaxation

Question 38

Define repolarization

Accepted Answer

Relaxation

Answer

Contraction

Question 39

The QRS complex is normally __________ seconds in duration

Accepted Answer

0.06 to 0.10

Answer

0.04 to 0.10

Answer

0.08 to 0.12

Answer

0.10 to 0.12

Question 40

P waves contract the __________

Accepted Answer

atria

Answer

ventricles

Answer

AV junction

Answer

SA node

Question 41

QRS complexes contract_______

Accepted Answer

ventricle

Answer

atria

Answer

AV junction

Answer

SA node

Question 42

PR interval is ____-_____ seconds

Accepted Answer

0.12 to 0.20

Answer

0.06 to 0.10

Answer

0.10 to 0.12

Answer

0.20 to 0.25

Question 43

the impulse of SA node is

Accepted Answer

60-100

Answer

40-60

Answer

20-40

Answer

30-70

Question 44

the AV impulse is

Accepted Answer

40-60

Answer

60-100

Answer

20-40

Answer

30-70

Question 45

the purkinje fibers impulse is

Accepted Answer

20-40

Answer

60-100

Answer

40-60

Answer

30-70

Question 46

what is the most accurate way to measure heart rate in a regular rhythm

Accepted Answer

1500 method

Answer

6 second method

Answer

sequence method

Answer

rate calculator

Question 47

how does it go

Accepted Answer

depolarization = contraction, repolarization = relaxing

Answer

depolarization = repolarization contraction = relaxing

Answer

depolarization = relaxing, repolarization = contracting

Answer

depolarization = losing repolarization = gaining

Question 48

whats in charge of getting blood to the rest of the body

Accepted Answer

ventricles

Answer

atrias

Answer

valves

Answer

chambers

Question 49

how many chambers of the heart are there

Accepted Answer

4

Answer

3

Answer

5

Answer

6

Question 50

what is NOT oxygenated

Accepted Answer

pulmonary artery

Answer

lt. atria

Answer

lt. ventricle

Answer

aorta

Question 51

which is oxygenated

Accepted Answer

bicuspid valve

Answer

rt. atria

Answer

rt. ventricle

Answer

tricuspid valve

Question 52

fast heart rate is

Accepted Answer

tachycardia

Answer

bradycardia

Answer

asystole

Answer

arrhythmia

Question 53

slow heart rate is

Accepted Answer

bradycardia

Answer

tachycardia

Answer

arrhythmia

Answer

asystole

Question 54

The valve between the right atrium and right ventricle is known as the ___ valve.

Accepted Answer

tricuspid

Answer

bicuspid/mitral

Answer

pulmonary

Answer

aortic

Question 55

What is also known as the pacemaker of the heart?

Accepted Answer

SA Node

Answer

AV Node

Answer

Bundle of His

Answer

Purkinje Fibers

Question 56

Travel the electrical conduction of the heart starting with the SA node.

Accepted Answer

AV node, Bundle of His, left and right bundle branches, Purkinje fibers

Answer

AV node, Purkinje fibers, bundle of His, left and right bundle branches

Answer

Bundle of His, left and right bundle branches, AV node

Answer

AV node, Bundle of His, Purkinje fibers, left and right bundle branches

Question 57

Which 2 chambers pump oxygenated blood?

Accepted Answer

left atrium, left ventricle

Answer

right atrium, left ventricle

Answer

right atrium, right ventricle

Answer

left atrium, right ventricle

Question 58

The ___________ represents the end of ventricular depolarization and beginning of ventricular repolarization.

Accepted Answer

ST segment

Answer

T wave

Answer

U wave

Answer

QT interval

Question 59

Which of the following has more P waves than QRS complexes?

Accepted Answer

AV heart block

Answer

A dysrhythmia where the pacemaker changes from site to site with each beat

Answer

Early beats that arise from the atria

Answer

Dysrhythmias that arise from the AV junction

Question 60

The ___________ represents ventricular repolarization.

Accepted Answer

T wave

Answer

U wave

Answer

QT interval

Answer

ST segment

Question 61

The point at which the QRS complex meets the ST segment is called the:

Accepted Answer

J point.

Answer

QT junction.

Answer

ST interval.

Answer

RS point.

Question 62

1. Prominent U waves are seen in:

Accepted Answer

Hypokalemia

Answer

myocardial infarction.

Answer

digitalis toxicity.

Answer

All of these

Question 63

Impulses that arise from the ventricles produce QRS complexes that:

Accepted Answer

appear wide and bizarre-looking.

Answer

look the same as the QRS complexes which are produced by impulses originating from the SA node.

Answer

are called R prime or R' waves.

Answer

are typically notched and biphasic.

Question 64

The lead most commonly used for continuous cardiac monitoring is lead _____.

Accepted Answer

II

Answer

I

Answer

MCL1

Answer

V1

EKG basics

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