Chapter 2 quiz for Online EKG Technician Program
Each of the questions or incomplete statements below is followed by suggested answers or completions. Select the one answer that is best in each case.
You must obtain a 80% to pass and you will not be able to review your answers
Apex.
Base.
Chordae tendonae.
Tricuspid valve.
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Chordae tendonae
Papillary muscle.
Septum.
Pulmonic valve.
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Top of the heart, where the great vessels emerge.
Right side of the heart.
Bottom of the heart, at the leftmost tip.
The back wall of the heart.
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Decreases friction of the pericardial layers as they rub against each other.
Prevents backflow of blood from one chamber to the other.
Circulates through the heart’s chambers.
Lubricates the electrical system of the heart.
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Epicardium.
Pericardium.
Endocardium.
Myocardium.
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Epicardium.
Pericardium.
Endocardium.
Myocardium.
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It anchors the heart to the diaphragm and great vessels
It is a two-layer sac enclosing the heart.
It serves as protection for the heart.
It is the wall of the heart that is damaged in a heart attack.
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It is a receiving chamber for oxygenated blood returning from the lungs.
It is the major pumping chamber of the heart.
It is about 100% saturated with oxygen.
It is the receiving chamber for deoxygenated blood coming from the vena cava.
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Right atrium
Right ventricle
Left atrium
Left ventricle
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Oxygenation.
Sodium and potassium concentration.
Pressure.
The heart’s pacemaker.
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They prevent blood from flowing forward.
They prevent oxygenated blood from flowing through the coronary arteries.
They prevent backflow of blood.
They control the heart’s electrical signals.
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Mitral valve.
Pulmonic valve.
Aortic valve.
Tricuspid valve.
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Aortic valve.
Tricuspid valve.
Mitral valve.
Pulmonic valve.
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Tricuspid and mitral valves
Aortic and mitral valves
Mitral and pulmonic valves
Aortic and pulmonic valves
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Mitral and aortic
Tricuspid and pulmonic
Tricuspid and mitral
Aortic and pulmonic
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Mitral and aortic
Tricuspid and pulmonic
Tricuspid and mitral
Aortic and pulmonic
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Trebeculae carnae.
Superior vena cava.
Papillary muscle.
Valve.
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Blood traveling through the heart
Opening of the heart valves
Closing of the heart valves
Blood hitting an obstruction in the peripheral circulation
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Right atrium
Tricuspid valve
Left ventricle
Pulmonic valve
Slowed digestion.
Decrease in heart rate.
Pupillary dilation.
Increase in blood pressure.
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Aortic and pulmonic
Tricuspid and pulmonic
Tricuspid and mitral
Aortic and mitral
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The head and neck.
The coronary circulation.
The lower extremities and abdomen.
None of these—the vena cava carries oxygenated blood.
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Aorta
Veins
Venules
Arterioles
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Arteries–veins–vena cava–capillaries
Arteries–arterioles–capillaries–venules– veins
Veins–venules–capillaries–arterioles– arteries
Capillaries–arterioles and venules–arteries and veins
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Right atrium
Left atrium
Right ventricle
Left ventricle
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Artery
Vein
Arteriole
Venule
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Ventricular ejection
Diastole
The entire cardiac cycle
Isovolumetric contraction
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Systole and diastole
Isovolumetric relaxation and contraction
Preload and afterload
Atrial kick and ventricular filling
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Atrial pressure exceeds the ventricular pressure
Atrial and ventricular pressures are equal
Ventricular pressure exceeds the aortic and pulmonary arterial pressures
Impulse arrives at the AV node
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False
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