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Exam (elaborations)

amca ekg cert practice Questions and Answers | Latest Update

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the use of non-invasive and painless ultrasound to examine the heart, its chambers and valves is known as: -:- echocardiography waveforms my be displayed on a screen called an -:- electrocardiogram the breastbone is referred to as -:- the sternum the pericardial sac that surrounds the he...

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  • September 12, 2024
  • 18
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • AMCA
  • AMCA
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2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!




amca ekg cert practice Questions and
Answers | Latest Update
the use of non-invasive and painless ultrasound to examine the heart, its chambers and

valves is known as:

✓ -:- echocardiography




waveforms my be displayed on a screen called an

✓ -:- electrocardiogram




the breastbone is referred to as

✓ -:- the sternum




the pericardial sac that surrounds the heart ?

✓ -:- has a tough fibrous outer layer called the visceral pericardium and an inner,

thin transparent lining called the fibrous pericardium




what are the three layer ofo the heart wall

✓ -:- epicardium myocardium endocardium




the atrioventricular valve between the left atrium and the left ventricle is the




1|P a g e | G r a d e A + | 2 0 2 0 2 5

,2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!


✓ -:- mitral valve




the wall that separates the two superior chambers o the heart is called

✓ -:- interatrial septum




the heart valves that separate the atria from the ventricles are called the

✓ -:- atrioventricular valves




the skeleton of the heart

✓ -:- separated the atria from the ventricles




the heart receives most of its own blood supply via the

✓ -:- coronary arteries




regulation of the heart rate, speed of electrical conduction and strength of contraction are

influenced by the brain via the ____ nervous system

✓ -:- central




the cardio accelerator center

✓ -:- is part of the sympathetic nervous system




2|P a g e | G r a d e A + | 2 0 2 0 2 5

, 2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!


the most muscular chamber of the heart that forces blood through the aortic valve

✓ -:- left ventricle




during depolarization

✓ -:- impulses are generated and transmitted when positively charged ions move

inside the cell causing the interior to become positively charged




blood returns to the heart from the lungs via four blood vessels called

✓ -:- 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 to the lungs are

✓ -:- pulmonary arteries




during which phase of the cardiac cycle do the coronary arteries fill

✓ -:- early systole




hoe much of the blood coming into the ventricles flow passively through the atria

✓ -:- 80%




with ecg paper



3|P a g e | G r a d e A + | 2 0 2 0 2 5

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