EKG PLAIN AND SIMPLE 4 REVIEW PAPER 2026
COMPLETE QUESTIONS WITH EXPERT
SOLUTIONS AND MARKING SCHEME
◉ thoracic cavity.
Answer: chest cavity
◉ mediastinum.
Answer: the cavity between the lungs in which the heart is located
◉ Sternum.
Answer: breastbone
◉ base.
Answer: the top of the heart, the area where the great vessels
emerge
◉ Apex.
Answer: the pointy part of the heart where it rests on their
diaphragm the bottom of the heart
◉ epicardium.
, Answer: outer layer of the heart the coronary arteries run along this
layer
◉ myocardium.
Answer: Thick middle muscle layer of the heart The myocardium is
made of pure muscle and does the work of Contracting. this is the
layer that damage during an MI
◉ endocardium.
Answer: the innermost layer that lines the heart's chambers and
folds back onto itself to form the heart valves the cardiac conduction
system is found in this layer
◉ pericardium.
Answer: the sac that encloses the heart
◉ pericardial fluid.
Answer: small amount of fluid found between the layers of the
pericardial Sac prevents friction
◉ right atrium.
Answer: a receiving chamber for deoxygenated blood returning to
the heart from the body. The right atrium delivers blood to the right
ventricle
COMPLETE QUESTIONS WITH EXPERT
SOLUTIONS AND MARKING SCHEME
◉ thoracic cavity.
Answer: chest cavity
◉ mediastinum.
Answer: the cavity between the lungs in which the heart is located
◉ Sternum.
Answer: breastbone
◉ base.
Answer: the top of the heart, the area where the great vessels
emerge
◉ Apex.
Answer: the pointy part of the heart where it rests on their
diaphragm the bottom of the heart
◉ epicardium.
, Answer: outer layer of the heart the coronary arteries run along this
layer
◉ myocardium.
Answer: Thick middle muscle layer of the heart The myocardium is
made of pure muscle and does the work of Contracting. this is the
layer that damage during an MI
◉ endocardium.
Answer: the innermost layer that lines the heart's chambers and
folds back onto itself to form the heart valves the cardiac conduction
system is found in this layer
◉ pericardium.
Answer: the sac that encloses the heart
◉ pericardial fluid.
Answer: small amount of fluid found between the layers of the
pericardial Sac prevents friction
◉ right atrium.
Answer: a receiving chamber for deoxygenated blood returning to
the heart from the body. The right atrium delivers blood to the right
ventricle