AMCA EKG EXAM (110) QUESTIONS WITH
100% VERIFIED ANSWERS 2024-2025 NEW
UPDATED
What is the term for using a non-invasive and painless ultrasound to check the
heart, its chambers, and valves? - ANSWER Echocardiography
What is the name for wave formations that appear on a screen? - ANSWER
Electrocardiography
The breast bone is known as? - ANSWER The sternum
What is the pericardial sac, which surrounds the heart wall? - ANSWER The
visceral pericardium is a thick fibrous outer layer, whereas the fibrous pericardium
is a thin translucent interior lining.
What are the three layers of the heart wall? - ANSWER The outermost layer is the
epicardium, the intermediate layer is the myocardium, and the inner layer is the
endocardium.
What is the atrioventricular valve that connects the left atrium to the left ventricle?
- ANSWER The Mitral Valve
What do you call the wall that separates the heart's two upper chambers? -
ANSWER Interatrial septum.
What are the names of the cardiac valves that separate the atria and ventricles? -
ANSWER Atrioventricular valves
What about the heart's skeleton? - ANSWER divides the atria and ventricles.
, The coronary arteries provide the majority of the heart's blood supply.
The brain influences the regulation of heart rate, speed of electrical conduction, and
strength of contraction. - ANSWER Central Nervous System
Where is the heart accelerator centre located? - ANSWER Part of the sympathetic
nervous system.
What is the most muscular chamber of the heart responsible for forcing blood
through the aortic valve? - ANSWER: left ventricle (powerhouse).
What happens during depolarization? - ANSWER Impulses are generated and
transmitted when positively charged ions travel inside cells, making the inside
positively charged.
How are the four blood arteries that return blood from the lungs to the heart
named? - ANSWER Pulmonary veins
Blood goes to the lungs, where carbon dioxide is removed and oxygen is added.
The blood arteries that transport blood from the heart to the lungs are? - ANSWER
Thoracic arteries
What phase of the cardiac cycle do the coronary arteries fill? - ANSWER Early
system (contracting)
How much of the blood entering the ventricles flows passively through the atria? -
Answer 70% or 80%.
With the ECG paper, ANSWER A larger box is made up of five little squares, each
representing 0.20 seconds of duration.
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