MEDCA EKG Practice Questions and
Answers All Correct
Why is atrial flutter fibrillation difficult to diagnose - Answer-- It may cause no symptoms
- screening is not generally performed
The right ventricle pumps oxygen-poor blood through the pulmonary artery to the -
Answer-lungs
The left ventricle pumps oxygen-rich blood through the aortic valve to the - Answer-
tissues all over the body
What is the name given to the modified myocardial cells that set the pace of the heart -
Answer-SA node
Where the blood exchanges carbon dioxide (CO2) for oxygen - Answer-lungs
The muscular wall that separates the left and right side of the heart is the - Answer-
septum
Deoxygenated blood from the body returns to the heart, entering the - Answer-right
atrium
(True or False) ECG can be used to evaluate the function of the artificial pacemakers -
Answer-true
Cardiomegaly is - Answer-enlargement of heart
The heart is made up of specialized muscle tissue called - Answer-myocardium
The American Heart Association's color code for the lead wire to the right leg is -
Answer-green
What is the term used to refer to an electrocardiogram that is within normal limits -
Answer-normal sinus rhythm
The augmented leads are - Answer-unipolar
The epicardium is the - Answer-outer layer of the heart wall
Answers All Correct
Why is atrial flutter fibrillation difficult to diagnose - Answer-- It may cause no symptoms
- screening is not generally performed
The right ventricle pumps oxygen-poor blood through the pulmonary artery to the -
Answer-lungs
The left ventricle pumps oxygen-rich blood through the aortic valve to the - Answer-
tissues all over the body
What is the name given to the modified myocardial cells that set the pace of the heart -
Answer-SA node
Where the blood exchanges carbon dioxide (CO2) for oxygen - Answer-lungs
The muscular wall that separates the left and right side of the heart is the - Answer-
septum
Deoxygenated blood from the body returns to the heart, entering the - Answer-right
atrium
(True or False) ECG can be used to evaluate the function of the artificial pacemakers -
Answer-true
Cardiomegaly is - Answer-enlargement of heart
The heart is made up of specialized muscle tissue called - Answer-myocardium
The American Heart Association's color code for the lead wire to the right leg is -
Answer-green
What is the term used to refer to an electrocardiogram that is within normal limits -
Answer-normal sinus rhythm
The augmented leads are - Answer-unipolar
The epicardium is the - Answer-outer layer of the heart wall
