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WorksheetsEKG Unit 1 Exam
Total questions: 38
Worksheet time: 19mins
As blood returns to the heart from the body, it enters __________.
The left atrium
The superior vena cava
The pulmonary arteries
The right atrium
What is the pericardium?
A valve in the heart
The membrane enclosing the heart
The partition that separates the right and left side of the heart
None of the above
Where does the myocardium get its nourishment from?
Aorta
Coronary arteries
Hepatic portal arteries
Liver
What is a complete cardiac cycle?
The beginning of a beat until the beginning of the next beat
The volume of blood ejected from the ventricle in one minute
The volume of blood ejected from the ventricle in one heartbeat
The number of beats per minute
What happens if the blood supply to the myocardium stops?
Nothing
Only the area that does not receive blood dies
The heart decreases
The patient dies
The heart is a dual action pump
True
False
Three valves regulate blood flow through the heart.
True
False
What function does the SA node serve?
It generates the stimulus to make the heartbeat
It supplies the heart with more nourishment
It lets the heart relax after beating
It initiates the opening and closing of the heart valves
Trace the order of impulse in the Conduction System: FIRST
The AV node
The AV bundles
The Purkinje fibers
The sinoatrial node
Trace the order of impulse in the Conduction System: SECOND
The SA node
The AV node
the right and left bundle branches
the purkinje fibers
Trace the order of impulse in the Conduction System: THIRD
The SA node
The AV node
The bundle of his
The Purkinje fibers
Trace the order of impulse in the Conduction System: Fourth
The right and left bundle branches
The bundle of his
The purkinje fibers
The AV node
Trace the order of impulse in the Conduction System. And lastly:
The Bundle of His
The AV node
The purkinje fibers
The AV node
Referring to the Purkinje Fibers, what happens during this phase?
The ventricles contract
The atria contract
the heart is stimulated to beat
the heart is resting
The superior and inferior vena cava supply blood to
Left atrium
Right atrium
Right ventricle
Left ventricle
The blood is received in the atria when the heart is in the diastole phase
True
False
Always true & false
Depends if you’re a vampire
Which are the two entrance valves of the heart?
Tricuspid and mitral
Mitral and aortic
Pulmonic and aortic
Tricuspid and pulmonic
How many valves does the heart have?
4
10
5
2
What is another name for Tunica externa?
Tunica basilia
Tunica adventitia
Tunica casserole
Tunica diastole
septum
chordae tendineae
Label this structure
Inferior Vena Cava
Label the chambers of the heart
Where is the largest artery of the body?
Identify the heart chamber
Left atrium
Right atrium
Left ventricle
Right ventricle
What is the internal pacemaker of the heart called?
SA node
AV node
LD node
TB node
Where is the apex of the heart located?
In the right upper chamber of the heart
In the left upper chamber of the heart
Directly above the right atria
At the tip or point of the heart
The heart has ______ chambers.
1
2
3
4
What is the term for the heart when it is contracting?
Diastole
Asystole
Agonal
Systole
The tertiary pacemaker is also known as the
SA node
AV node
Augmented leads
Purkinje fibers
The valves of the heart are made up of what layer?
myocardium
endocardium
pericadium
epicardium
Which valves are called semilunar valves?
Mitral and tricuspid
Aortic and mitral
Pulmonic and tricuspid
Pulmonic and aortic
Where is blood oxygenated?
through the pulmonary veins
through the pulmonary arteries
through the cell metabolism
Through the alveoli and capillaries in the lungs
The right and left side of the heart are separated by the
septum
tricuspid valves
mitral valve
mediastinum
What is the myocardium?
the heart valves
the thin outer layer of the heart
the muscular middle layer of the heart
none of the above
The pericardium has two layers.
true
false
sometimes true
depends if you're asleep
The size of a normal heart is
about the size of your head
about the size of your hand
about half the size of your fist
about the size of your fist
