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WorksheetsSPS113: REVISION 7.2
Total questions: 20
Worksheet time: 10mins
The innermost layer of the heart is
epicardium.
pericardium.
myocardium.
endocardium.
The myocardium is made of
pericardium.
smooth muscle.
cardiac muscle.
skeletal muscle.
The pacemaker of the heart is the
SA node.
AV node.
Bundle of His.
Purkinje fibers.
Which of following is the thickest layer of heart structure?
Left atrium.
Right atrium.
Left ventricle.
Right ventricle.
Which of the following is false statement about bicuspid valve.
It is a semilunar valve.
It is also called mitral valve.
It is located at left site of the heart.
It prevents blood from enter the left atrium.
Which of the following structure is NOT part of cardiac conducting system?
AV node.
SA node.
AV valve
Bundle of His
The valve that opens up when deoxygenated blood is pumped to the lungs is the
bicuspid valve.
tricuspid valve.
aortic semilunar valve.
pulmonary semilunar valve.
The supply of blood to the heart's walls travels through
aorta.
vena cava.
coronary artery.
pulmonary artery.
The correct order of stimulus generation in the cardiac intrinsic conduction system is
AV node, SA node, Purkinje fibers, AV bundle.
SA node, AV node, AV bundle, Purkinje fibers.
Purkinje fibers, AV bundle, AV node, SA node.
AV bundle, Purkinje fibers, SA node, AV node.
The exchange of gases, nutrients and hormones happens in the
arteries.
venules.
arterioles.
capillaries.
The inferior vena cava brings blood from the lower regions of the body and empties into the
right atrium.
right ventricle.
left atrium.
left ventricle.
Select the correct statement about blood vessels.
Capillaries contain valves.
Walls of arteries are generally thicker and contain more elastic tissue than the walls of veins.
Veins carry blood away from the heart.
Blood flows most rapidly through veins.
The layer of the arteriole wall that provides the properties of contractility and elasticity is the
tunica adventitia.
tunica media.
tunica intima.
tunica externa.
Blood flow from right atrium into the right ventricle through the
tricuspid valve.
mitral valve.
pulmonary valve.
bicuspid valve.
The pulmonary semilunar valve prevents back flow of blood into the
right atrium.
left atrium.
right ventricle.
left ventricle.
Which area allows the atria to completely empty as the ventricles fill with blood?
AV node
AV bundle
SA node
Purkinje fibers
Arteries
carry blood away from the heart.
allow blood to remain where it is.
carry blood toward the heart.
contain valves to prevent the backflow of blood.
During systemic circulation, blood leaves the
right ventricle and goes directly to the aorta.
right ventricle and moves to the lungs.
left ventricle and goes directly to the aorta.
right atrium and goes directly to the lungs.
Where is the heart specifically located?
Thoracic cavity
Mediastinum
Pleural cavity
Ventral cavity
Which of the following contains blood with a relatively high oxygen content?
Left ventricle.
Right ventricle
Right atrium
Superior vena cava
