AMCA EKG CORRECT QUESTIONS &
ANSWERS|| LATEST UPDATE 2025
The use of a non-invasive and painless ultrasound to examine the heart, its chambers
and valves is known as? - ANSWER Echocardiography
Wave forms displayed on a screen is called? - ANSWER Electrocardiogram
The breast bone is referred to as? - ANSWER The sternum
The pericardio sac that surrounds the heart wall is? - ANSWER 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? - ANSWER Epicardium (outer), Myocardium
(middle), and Endocardium (inner).
The atrioventricular valve between the left atrium and left ventricle is? - ANSWER The
mitral valve
The wall that separates the two superior chambers of the heart is called? - ANSWER
Interatrial septum
The heart valves that separates the atria from the ventricles are called? - ANSWER
Atrioventricular valves
The skeleton of the heart? - ANSWER separates the atria from the ventricles
The heart receives most of its own blood supply via the - ANSWER coronary arteries
Regulation of the heart rate, speed of electrical conduction, and strength of contraction
are influenced by the brain via the? - ANSWER Central nervous system
The cardiac accelerator center is? - ANSWER Part of the sympathetic nervous system
The most muscular chamber of the heart that forces blood through the aortic valve is
the? - ANSWER left ventricle (power house)
During depolarization, what happens? - ANSWER 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? - ANSWER
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? - ANSWER Pulmonary
arteries
During which phase of the cardiac cycle do the coronary arteries fill? - ANSWER Early
systole (contracting)
How much of the blood coming into the ventricles flows passively through the atria? -
ANSWER 70% or 80%
With the ECG paper - ANSWER Five small squares, which make up a larger box,
represent 0.20 seconds in duration.
On ECG paper, horizontal measurements are used to determine the? - ANSWER heart
rate
Which ECG limb lead does not record any electrical activity from the heart? - ANSWER
Right leg (the ground)
The most accurate way to measure heart rate is? - ANSWER The 1500 method
What is the following rhythm? - ANSWER Ventricular tachycardia
You should count the ___ To get the atrial rate? - ANSWER P waves
When a rhythm speeds up and slow down in a rhythmic fashion, it is referred to as
_____ irregularity. - ANSWER Patterned
The 3rd step of analyzing an ECG rhythm is to? - ANSWER determine the heart rate
Th category of antihypertensive medications that will cause vasodilation, blocked
alderston secretion, and increase urine output is? - ANSWER Ace inhibitors
In leads 1, 2, AVF, and V2-V6 the defelction of the p-wave is characteristically? -
ANSWER Upright
Identify the following rhythm? - ANSWER Atrial fibrillation
Tall and symmetrically peaked P waves may be seen with - ANSWER A delay in the
movement of the electrical impulse between the right and left atria
A medication that can be used as a local anesthetic as well as a first line antiarrhythmic
used to treat acute life threatening ventricular arrhythmia is? - ANSWER xylocaine
ANSWERS|| LATEST UPDATE 2025
The use of a non-invasive and painless ultrasound to examine the heart, its chambers
and valves is known as? - ANSWER Echocardiography
Wave forms displayed on a screen is called? - ANSWER Electrocardiogram
The breast bone is referred to as? - ANSWER The sternum
The pericardio sac that surrounds the heart wall is? - ANSWER 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? - ANSWER Epicardium (outer), Myocardium
(middle), and Endocardium (inner).
The atrioventricular valve between the left atrium and left ventricle is? - ANSWER The
mitral valve
The wall that separates the two superior chambers of the heart is called? - ANSWER
Interatrial septum
The heart valves that separates the atria from the ventricles are called? - ANSWER
Atrioventricular valves
The skeleton of the heart? - ANSWER separates the atria from the ventricles
The heart receives most of its own blood supply via the - ANSWER coronary arteries
Regulation of the heart rate, speed of electrical conduction, and strength of contraction
are influenced by the brain via the? - ANSWER Central nervous system
The cardiac accelerator center is? - ANSWER Part of the sympathetic nervous system
The most muscular chamber of the heart that forces blood through the aortic valve is
the? - ANSWER left ventricle (power house)
During depolarization, what happens? - ANSWER 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? - ANSWER
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? - ANSWER Pulmonary
arteries
During which phase of the cardiac cycle do the coronary arteries fill? - ANSWER Early
systole (contracting)
How much of the blood coming into the ventricles flows passively through the atria? -
ANSWER 70% or 80%
With the ECG paper - ANSWER Five small squares, which make up a larger box,
represent 0.20 seconds in duration.
On ECG paper, horizontal measurements are used to determine the? - ANSWER heart
rate
Which ECG limb lead does not record any electrical activity from the heart? - ANSWER
Right leg (the ground)
The most accurate way to measure heart rate is? - ANSWER The 1500 method
What is the following rhythm? - ANSWER Ventricular tachycardia
You should count the ___ To get the atrial rate? - ANSWER P waves
When a rhythm speeds up and slow down in a rhythmic fashion, it is referred to as
_____ irregularity. - ANSWER Patterned
The 3rd step of analyzing an ECG rhythm is to? - ANSWER determine the heart rate
Th category of antihypertensive medications that will cause vasodilation, blocked
alderston secretion, and increase urine output is? - ANSWER Ace inhibitors
In leads 1, 2, AVF, and V2-V6 the defelction of the p-wave is characteristically? -
ANSWER Upright
Identify the following rhythm? - ANSWER Atrial fibrillation
Tall and symmetrically peaked P waves may be seen with - ANSWER A delay in the
movement of the electrical impulse between the right and left atria
A medication that can be used as a local anesthetic as well as a first line antiarrhythmic
used to treat acute life threatening ventricular arrhythmia is? - ANSWER xylocaine
