Question 1

A U wave usually occurs when a patient has ____

Accepted Answer

very low K+, follows the T wave and reflects late repolarization.

Question 2

The QRS complex occurs when ______

Accepted Answer

the ventricles contract or depolarize.

Question 3

On an EKG machine, the standard checks the ____

Accepted Answer

voltage the instrument is using; normal is 10mm.

Question 4

The heart has 4 valves that are made up of ____

Accepted Answer

endocardium, they are aortic, pulmonic ,tricuspid and mitral/biscuspid valves

Question 5

Blood leaves the heart through the ____ and the _____ valves. These valves are also called _____

Accepted Answer

Pulmonic; Aortic; Semilunar valves

Question 6

As blood returns to the heart from the body it enters the _____

Accepted Answer

Right atrium

Question 7

Where does the superior vena cava get its blood from?

Accepted Answer

head, neck, and upper extremities

Question 8

The innermost layer of the heart is called the _____

Accepted Answer

endocardium

Question 9

Congestive heart failure (CHF) is a condition when the heart, for whatever reason, cannot ________. The body compensates in _____ major ways.

Accepted Answer

meet the demands of the body; three

Question 10

The two entrance valves of the heart are the _____ and _______

Accepted Answer

Tricuspid; bicuspid valves. (AV valves located  between an atrium and a ventricle.)

Question 11

The semilunar valves are the ____ and ____

Accepted Answer

pulmonic and aortic valves

Question 12

The pericardium is the ______ that _______ the heart and supports, protects and anchors the heart to the from the

Accepted Answer

doubled walled sac, encloses ; diaphragm and great vessels.

Question 13

The EKG records the ____ called the _____

Accepted Answer

electrical impulses; cardiac cycle

Question 14

The cardiac cycle is represented by the ______, _____, and the _____.

Accepted Answer

P wave; QRS complex; T wave

Question 15

P wave represents the _____

Accepted Answer

Contraction of the atrium or  atrial depolarization

Question 16

QRS complex represents the ____

Accepted Answer

contraction of the ventricles or ventricular depolarization

Question 17

T wave represents the _____

Accepted Answer

relaxation of the ventricles or ventricular repolarization.

Question 18

U wave is ____ but represents possible ____

Accepted Answer

not always seen; low potassium.

Question 19

The right and left atria are known as _____

Accepted Answer

receiving chambers of the heart.

Question 20

When blood is on its way from the left atrium to the left ventricle, it goes through the _____

Accepted Answer

mitral valve then to the left  ventricle to the aortic valve.

Question 21

The only way to oxygenate the blood is through the ____ and ____ in the _____

Accepted Answer

Alveoli; capillaries; lungs

Question 22

The right and left side of the heart is separated by the ____

Accepted Answer

septum

Question 23

The speed that an EKG is normally run is ____

Accepted Answer

25mm/sec

Question 24

The color of the ground lead is ____

Accepted Answer

green or located on the right leg.

Question 25

The approximate diameter of the coronary arteries is _____

Accepted Answer

1/8 inch

Question 26

Another name for the bicuspid valve is _____

Accepted Answer

mitral valve

Question 27

The purpose of the gel on the electrode is it _______

Accepted Answer

conducts electricity

Question 28

The myocardium will get nourishment from the _____

Accepted Answer

coronary arteries

Question 29

If the myocardium stops ____

Accepted Answer

the area that doesn't receive blood supply dies

Question 30

The myocardium is the ______

Accepted Answer

thickest layer of the heart

Question 31

The size of a normal heart is _____

Accepted Answer

about the size of your fist

Question 32

The heart functions as a _______

Accepted Answer

pump to pump blood to all the body's cells

Question 33

Blood returns to the heart through the ____

Accepted Answer

inferior and superior vena cava, then to the right atrium  thru the tricuspid valve.

Question 34

The inferior cava brings blood from ____ and the superior vena cava gets blood from _____

Accepted Answer

below the diaphragm; head, neck, and upper extremities

Question 35

The pulmonary vein is the only vein that carries ____ that comes from the ____ and returns blood back to the ____ for eventual circulation to _____ and

Accepted Answer

high oxygen blood; lungs; left atrium; body organs; cells

Question 36

The term for a rapid heart beat is _____

Accepted Answer

tachycardia

Question 37

Depolarization and Repolarization are __________ events.  Contraction and Relaxation are _______ events.

Accepted Answer

electrical; mechanical.   (Electrical before mechanical)

Question 38

The purpose of the conduction system is to ____ and ____

Accepted Answer

initiate the heart beat; regulate the cardiac cycle

Question 39

The top of the heart is the_________, while the bottom is the ________

Accepted Answer

base;  apex

Question 40

Ectopic heart beats are generated from an ____

Accepted Answer

impulse originating some other place besides the SA node

Question 41

The SA node is located ____

Accepted Answer

on the upper wall of the right atrium

Question 42

The SA node's functioni is to ____

Accepted Answer

generate the stimulus to make the heart beat

Question 43

The term for the heart when it is contracting is ____

Accepted Answer

systole

Question 44

Fibrillation is a ____, with individual cells ____

Accepted Answer

nonsynchronous contraction of muscle tissue; firing at their own rate

Question 45

Fibrillation can be isolated to the ___. ____ is not compatible with life.

Accepted Answer

Atria or the ventricles; venticle fibrillation

Question 46

A heart in  fibrillation has been described as ______

Accepted Answer

looking and feeling like a bag of worms

Question 47

In the heart, when the atria contract, the blood is ______

Accepted Answer

squeezed into the ventricles

Question 48

When the heart beats too slow the patient can suffer from _____

Accepted Answer

syncope

Question 49

The heart is located in the ____

Accepted Answer

mediastinum

Question 50

The function of the heart is to _____

Accepted Answer

pump sufficient amounts of blood to all of the cells in the body

Question 51

The U wave usually appears _____

Accepted Answer

after the T wave

Question 52

Ischemia is _____. A condition of ______

Accepted Answer

Reduced blood; inadequate blood flow to a tissue

Question 53

Ishemia to the heart can cause ____ and if present long enough ____

Accepted Answer

angina; infarction

Question 54

Precordial leads are _____

Accepted Answer

chest leads

Question 55

The right leg electrode shows ____ and serves as a _____

Accepted Answer

no cardiac information; ground electrode

Question 56

A muscle tremor would look like a ______ on an EKG

Accepted Answer

fuzzy irregular baseline

Question 57

A broken cable wire would cause a ______

Accepted Answer

wandering baseline

Question 58

Mediumstinum is the ______ and holds _____

Accepted Answer

space between the lungs in the chest cavity; the heart and other respiratory units

Question 59

Electrodes are ________

Accepted Answer

plates that come between the patient and the current

Question 60

Augmented lead aVR goes to the ______

Accepted Answer

right arm

Question 61

When the myocardium is stimulated, its muscle ___

Accepted Answer

contracts

Question 62

The myocardium is made of _____

Accepted Answer

muscle

Question 63

If the patient has the right arm amputated above the elbow place the lead on the ____

Accepted Answer

upper part of that arm

Question 64

If the patient has an amputation, the important thing to do is to be sure that wherever you place the lead, _______

Accepted Answer

you use the same corresponding spot on the opposite limb


A U wave usually occurs when a patient has ____	very low K+, follows the T wave and reflects late repolarization.
The QRS complex occurs when ______	the ventricles contract or depolarize.
On an EKG machine, the standard checks the ____	voltage the instrument is using; normal is 10mm.
The heart has 4 valves that are made up of ____	endocardium, they are aortic, pulmonic ,tricuspid and mitral/biscuspid valves
Blood leaves the heart through the ____ and the _____ valves. These valves are also called _____	Pulmonic; Aortic; Semilunar valves
As blood returns to the heart from the body it enters the _____	Right atrium
Where does the superior vena cava get its blood from?	head, neck, and upper extremities
The innermost layer of the heart is called the _____	endocardium
Congestive heart failure (CHF) is a condition when the heart, for whatever reason, cannot ________. The body compensates in _____ major ways.	meet the demands of the body; three
The two entrance valves of the heart are the _____ and _______	Tricuspid; bicuspid valves. (AV valves located between an atrium and a ventricle.)
The semilunar valves are the ____ and ____	pulmonic and aortic valves
The pericardium is the ______ that _______ the heart and supports, protects and anchors the heart to the from the	doubled walled sac, encloses ; diaphragm and great vessels.
The EKG records the ____ called the _____	electrical impulses; cardiac cycle
The cardiac cycle is represented by the ______, _____, and the _____.	P wave; QRS complex; T wave
P wave represents the _____	Contraction of the atrium or atrial depolarization
QRS complex represents the ____	contraction of the ventricles or ventricular depolarization
T wave represents the _____	relaxation of the ventricles or ventricular repolarization.
U wave is ____ but represents possible ____	not always seen; low potassium.
The right and left atria are known as _____	receiving chambers of the heart.
When blood is on its way from the left atrium to the left ventricle, it goes through the _____	mitral valve then to the left ventricle to the aortic valve.
The only way to oxygenate the blood is through the ____ and ____ in the _____	Alveoli; capillaries; lungs
The right and left side of the heart is separated by the ____	septum
The speed that an EKG is normally run is ____	25mm/sec
The color of the ground lead is ____	green or located on the right leg.
The approximate diameter of the coronary arteries is _____	1/8 inch
Another name for the bicuspid valve is _____	mitral valve
The purpose of the gel on the electrode is it _______	conducts electricity
The myocardium will get nourishment from the _____	coronary arteries
If the myocardium stops ____	the area that doesn't receive blood supply dies
The myocardium is the ______	thickest layer of the heart
The size of a normal heart is _____	about the size of your fist
The heart functions as a _______	pump to pump blood to all the body's cells
Blood returns to the heart through the ____	inferior and superior vena cava, then to the right atrium thru the tricuspid valve.
The inferior cava brings blood from ____ and the superior vena cava gets blood from _____	below the diaphragm; head, neck, and upper extremities
The pulmonary vein is the only vein that carries ____ that comes from the ____ and returns blood back to the ____ for eventual circulation to _____ and	high oxygen blood; lungs; left atrium; body organs; cells
The term for a rapid heart beat is _____	tachycardia
Depolarization and Repolarization are __________ events. Contraction and Relaxation are _______ events.	electrical; mechanical. (Electrical before mechanical)
The purpose of the conduction system is to ____ and ____	initiate the heart beat; regulate the cardiac cycle
The top of the heart is the_________, while the bottom is the ________	base; apex
Ectopic heart beats are generated from an ____	impulse originating some other place besides the SA node
The SA node is located ____	on the upper wall of the right atrium
The SA node's functioni is to ____	generate the stimulus to make the heart beat
The term for the heart when it is contracting is ____	systole
Fibrillation is a ____, with individual cells ____	nonsynchronous contraction of muscle tissue; firing at their own rate
Fibrillation can be isolated to the ___. ____ is not compatible with life.	Atria or the ventricles; venticle fibrillation
A heart in fibrillation has been described as ______	looking and feeling like a bag of worms
In the heart, when the atria contract, the blood is ______	squeezed into the ventricles
When the heart beats too slow the patient can suffer from _____	syncope
The heart is located in the ____	mediastinum
The function of the heart is to _____	pump sufficient amounts of blood to all of the cells in the body
The U wave usually appears _____	after the T wave
Ischemia is _____. A condition of ______	Reduced blood; inadequate blood flow to a tissue
Ishemia to the heart can cause ____ and if present long enough ____	angina; infarction
Precordial leads are _____	chest leads
The right leg electrode shows ____ and serves as a _____	no cardiac information; ground electrode
A muscle tremor would look like a ______ on an EKG	fuzzy irregular baseline
A broken cable wire would cause a ______	wandering baseline
Mediumstinum is the ______ and holds _____	space between the lungs in the chest cavity; the heart and other respiratory units
Electrodes are ________	plates that come between the patient and the current
Augmented lead aVR goes to the ______	right arm
When the myocardium is stimulated, its muscle ___	contracts
The myocardium is made of _____	muscle
If the patient has the right arm amputated above the elbow place the lead on the ____	upper part of that arm
If the patient has an amputation, the important thing to do is to be sure that wherever you place the lead, _______	you use the same corresponding spot on the opposite limb
You standardize an EKG _______	before and after you run the EKG
The pulmonary artery is the only artery that ____	carries low oxygen or deoxygenated blood.
The pulmonary artery leaves the ____	right ventricle
Normal sinus rhythms have a rate of ____ and each complex is ________	60 to 100 beats per minute; complete and normal in appearance
The term ____ means the heart rate is below 60 beats per minute	bradycardia
A sinus arrhythmia can be caused by ______	changes in breathing
Asystole is a ______ associated with _____	flat line; death
Pulmonary circulation is circulation that goes to the heart's _____ to the ____ where it is ____ and releases _____	right atrium; lungs; oxygenated; built up carbon dioxide
If the heart beat fires ectopically it means the stimulus to generate _____ does not _______	the heart beat ; occur in the SA node
Chordae tendonae holds the ______	heart valves in place
A heart mumur is the sound of _______	faulty action when the valves close
Ischemia is the lack of _____ to an area of the _____	sufficient blood supply; myocardium
An MI is a ____ and occurs when the ____ because of ______	myocardial infarction; myocardial tissue suffers death to the area; insufficient blood flow
One of the major causes of heart failure is _____	untreated high blood pressure
You calculate the heart rate from an EKG strip by __________	counting the number of complete complexes in 3 or 6 seconds and multiply by 20 or 10
The difference between agonal and asystole on an EKG is that asystole is a _____ while agonal is _____	flat line; less than 20 beats per minute
An electrocardiogram is a _______	recording or tracing of an EKG
____ electrodes are used for a 12 lead EKG	ten
Automaticity is the ability of cardiac cells to __________	Initiate an impulse without stimulation
PQRST complex represents ______	one entire cardiac cycle
The T wave shows the _____	relaxation of the ventricles or ventricular repolarization
An artifical pacemaker looks like _____	a straight, hard vertical line or spike on an EKG
The apex of the heart is the ____ of the heart	pointed bottom end
The base of the heart is the _______ and is ____ in shape	upper border of the heart; broad
The blood in the pulmonary veins goes to the ____	left atrium
The ______ encloses the heart	pericardial sac
Repolarization is the ____ phase	relaxation or resting phase and is an electrically - state.
Depolarization is the ___ phase	contraction and changes the resting - cell to a + charged one.
The base of the heart is located ____	just below the 2nd rib
A heart chamber empties the blood during the ____	contraction or systolic phase
When the ventricles are in the systole phase, they are _____ by _____	pumping blood out of the chamber; contraction
The _____ is the largest chamber in the heart because it has the job of ________	left ventricle; pumping blood out to all parts of the body
The two chambers that push the blood out of the heart are called the _____	left and right ventricles
The cardiac tissue is unique because it is ____	all fused together so it acts as one
Lead aVF goes to the ______	left leg
A major cause of artherosclerosis is ______	the build up of fat deposits on the walls of the arteries
Angina is ____ from _____ to _____	heart pain; lack of circulation; coronary arteries
When the heart rate goes down to 40-60 beats per minute, the impulse is usually generated in the ________	AV node
The aorta ____ and carries _______	leaves the heart; blood to all parts of the body
The bottom number of blood pressure represents the ________	relaxing or diastolic phase
When measuring the height of peaks in an EKG, each large square represents _______	5mm by 5mm
Each small square represents _____	.04 seconds on EKG paper
Capillaries are __________	the smallest blood vessels in the body; where nutrient and gas exchange take place.
AV Dissociation	Atria and ventricles depolarize and contract independently of each other.
By having a relatively slow conduction rate, the AV node allows the atria to _____ before they____	empty more blood into the ventricles; contract
The Purkinje fibers are ____ found in the ____ of the heart.	specialized conducting cells; ventricular septum
The Purkinje fibers are organized in such a way as to mediate a ____ that wrings the blood from the ____ out towards the _____ of the heart	smooth contraction; apex; base
Vagal tone is virtually synonymous with ____ tone in regards to the heart	parasympathetic
Stimulation of the vagus causes a ____ which in turn causes a ______ in blood pressure	decreased heart rate; drop
Wolff-Parkinson-White syndrome is a _____ disorder of the heart where ____ other than the _____ connect the _____.	conduction; electrical pathways; AV nodal system; atria with the ventricles
Wolff-Parkinson-White syndrome can lead to ____.	reentrant arrhythmias
Tricuspid valve is located between the _____. It has ____ cusps	Right atrium and right ventricle; three
Mitral valve, also known as ___ valve, is located between the _____. It has ____ cusps	bicuspid valve; left atrium and left ventricle; two
The primary characteristics of the cardiac cells are ___________	Automaticity, excitability, conductivity, contractility
Automaticity is the ability of the ______. Sites that possess this characteristic are the _____	cardiac packemaker cells to spontaneously initiate their own electrical impulse without being stimulated from another source; SA node, AV junction, and the Purkinje fibers
Excitability, also referred to as ____, is shared by all _____ and it is the ability to ____	irritability; cardiac cells; respond to external stimulus: electrical, chemical, and mechanical
Conductivity is the ability of all cardiac cells to ______ and transmit ________	receive an electrical stimulus; the stimulus to the other cardiac cells
Contractility is the ability of the cardiac cells to _________ and _____ in response to ____	shorten; cause muscle contraction; an electrical stimulus
The heart is classified as a _____	hollow, muscular organ
The heart is made up of _____ layers which are ______	four; endocardium, myocardium, epicardium, pericardium
The endocardium is the ____ of the heart	inner layer
The myocardium is the ______ of the heart	muscular layer
The epicardium is the _______ of the heart	outer layer
The pericardium is an _____ surrounding the heart that separates the _________	outer sac; heart from the rest of the chest cavity
A lead is the _______	the gel or pad that conducts electricity
The cardiac muscle has ____ stages. The ______ (____ or ____), the ______ (_____ or ____), and the ______ (_____).	three; contraction (systole, depolarization); relaxation (diastole, repolarization); baseline (polarization)
The normal standard ____	10mm/mv
Another name for the resting phase on an EKG is the _____	baseline
The term electrocardiograph is the _____	instrument used for recording the heart's activity
The P wave shows ____	atrial contraction
Another name for Leads aVF, aVL, aVR is ____	augmented
Sympathetic nerves are the "_________" response. The sympathetic system prepares _____	fight or flight; the body for action

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