Basics of Electrocardiogram Test Questions and Answers with Complete Solutions 100% Pass
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Course
Fundamentals of ECG
Institution
Fundamentals Of ECG
Basics of Electrocardiogram Test Questions and Answers with Complete Solutions 100% Pass
Electrocardiogram (ECG or EKG) - Answers Tracing or graphic representation of the heart's electrical activity.
Electrocardiograph - Answers A device that detects, measures, and records an ECG/EKG.
Dysrhythmi...
Basics of Electrocardiogram Test Questions and Answers with Complete Solutions 100% Pass
Electrocardiogram (ECG or EKG) - Answers Tracing or graphic representation of the heart's electrical
activity.
Electrocardiograph - Answers A device that detects, measures, and records an ECG/EKG.
Dysrhythmia - Answers Irregular heart rhythm.
Oscilloscope - Answers The screen or monitor that displays a person's heart rhythm.
Mediastinum - Answers The space in the chest between the pleural sacs of the lungs that contain all the
viscera (internal organs) of the chest except the lungs and includes the heart, aorta, and vena cava.
Apex - Answers The tip of a structure that may be either at the top or the bottom. The apex of the heart
is the bottom of the heart, directed anteriorly and slightly inferiorly at the level of the fifth intercostal
space in the left midclavicular line.
Midclavicular line - Answers An imaginary line that extends downward over the trunk from the midpoint
of the clavicle, dividing each side of the anterior chest into two parts.
Base - Answers The top, larger flat part of the heart, directed posteriorly and slightly superior at the
level of the second intercostal space.
Intercostal space - Answers The space between the ribs.
Pericardium - Answers A double-walled closed sac that is protective and encloses the heart. It includes
the fibrous pericardium, serous pericardium, and clear pericardial fluid acting as a lubricant.
Epicardium - Answers A thick serous membrane that constitutes the smooth, outermost surface of the
heart, also known as the visceral pericardium.
Myocardium - Answers The middle, muscular layer of the heart, thickest of the three heart layers.
Endocardium - Answers The serous membrane that lines the inner aspect of the heart's chambers and
valves, watertight and prevents blood leakage.
Myocytes (myocardial cells) - Answers The working cells of the heart that propel blood out of the heart's
chambers, allowing rapid conduction of electrical impulses.
Pacemaker cells - Answers Specialized cells responsible for generating and carrying electrical impulses
throughout the heart, conducting impulses quickly without contracting.
Atria - Answers The thin-walled, two upper chambers of the heart that collect and deliver blood to the
ventricles.
Ventricles - Answers The larger, thicker, more muscular lower chambers of the heart that pump blood to
the pulmonary and systemic circulation.
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