AMCA EKG Exam Questions with
Complete Solutions11
The use of a non-invasive and painless ultrasound to examine the heart, its chambers and valves
is known as? - ANSWERS-Echocardiography
Wave forms displayed on a screen is called? - ANSWERS-Electrocardiogram
The breast bone is referred to as? - ANSWERS-The sternum
The pericardio sac that surrounds the heart wall is? - ANSWERS-A tough fibrous outer layer
called the visceral pericardium and inner thin transparent lining called the fibrous pericardium.
What are the three layers of the heart wall? - ANSWERS-Epicardium (outer), Myocardium
(middle), and Endocardium (inner).
The atrioventricular valve between the left atrium and left ventricle is? - ANSWERS-The mitral
valve
The wall that separates the two superior chambers of the heart is called? - ANSWERS-Interatrial
septum
The heart valves that separates the atria from the ventricles are called? - ANSWERS-
Atrioventricular valves
The skeleton of the heart? - ANSWERS-separates the atria from the ventricles
, The heart receives most of its own blood supply via the - ANSWERS-coronary arteries
Regulation of the heart rate, speed of electrical conduction, and strength of contraction are
influenced by the brain via the? - ANSWERS-Central nervous system
The cardiac accelerator center is? - ANSWERS-Part of the sympathetic nervous system
The most muscular chamber of the heart that forces blood through the aortic valve is the? -
ANSWERS-left ventricle (power house)
During depolarization, what happens? - ANSWERS-Impulses are generated and transmitted
when positively charged ions move inside cells causing the interior to become positively
charged.
Blood return to the heart from the lungs via 4 blood vessels are named? - ANSWERS-Pulmonary
veins
Blood travels to the lungs where carbon dioxide is unloaded and oxygen is loaded. The blood
vessels that carry the blood from the heart the lungs are? - ANSWERS-Pulmonary arteries
During which phase of the cardiac cycle do the coronary arteries fill? - ANSWERS-Early systole
(contracting)
How much of the blood coming into the ventricles flows passively through the atria? -
ANSWERS-70% or 80%
With the ECG paper - ANSWERS-Five small squares, which make up a larger box, represent 0.20
seconds in duration.
Complete Solutions11
The use of a non-invasive and painless ultrasound to examine the heart, its chambers and valves
is known as? - ANSWERS-Echocardiography
Wave forms displayed on a screen is called? - ANSWERS-Electrocardiogram
The breast bone is referred to as? - ANSWERS-The sternum
The pericardio sac that surrounds the heart wall is? - ANSWERS-A tough fibrous outer layer
called the visceral pericardium and inner thin transparent lining called the fibrous pericardium.
What are the three layers of the heart wall? - ANSWERS-Epicardium (outer), Myocardium
(middle), and Endocardium (inner).
The atrioventricular valve between the left atrium and left ventricle is? - ANSWERS-The mitral
valve
The wall that separates the two superior chambers of the heart is called? - ANSWERS-Interatrial
septum
The heart valves that separates the atria from the ventricles are called? - ANSWERS-
Atrioventricular valves
The skeleton of the heart? - ANSWERS-separates the atria from the ventricles
, The heart receives most of its own blood supply via the - ANSWERS-coronary arteries
Regulation of the heart rate, speed of electrical conduction, and strength of contraction are
influenced by the brain via the? - ANSWERS-Central nervous system
The cardiac accelerator center is? - ANSWERS-Part of the sympathetic nervous system
The most muscular chamber of the heart that forces blood through the aortic valve is the? -
ANSWERS-left ventricle (power house)
During depolarization, what happens? - ANSWERS-Impulses are generated and transmitted
when positively charged ions move inside cells causing the interior to become positively
charged.
Blood return to the heart from the lungs via 4 blood vessels are named? - ANSWERS-Pulmonary
veins
Blood travels to the lungs where carbon dioxide is unloaded and oxygen is loaded. The blood
vessels that carry the blood from the heart the lungs are? - ANSWERS-Pulmonary arteries
During which phase of the cardiac cycle do the coronary arteries fill? - ANSWERS-Early systole
(contracting)
How much of the blood coming into the ventricles flows passively through the atria? -
ANSWERS-70% or 80%
With the ECG paper - ANSWERS-Five small squares, which make up a larger box, represent 0.20
seconds in duration.
