ECG Practice Test Questions with Correct Answers

ECG Practice Test Questions with Correct Answers A single-channel ECG machine is faster than a multi-channel ECG machine. - Answer-false The assistant is required to turn a control knob to switch leads on a(n) _______ ECG machine. - Answer-manual How does the line get onto the tracing paper in an ECG? - Answer-The heat from a stylus melts the coating of the paper The ECG tracing must be handled carefully because it is sensitive to heat and pressure. - Answer-true The holder that forms a permanent record of the ECG for the patient's file is called a(n) _______. - Answer-mount Why are the size and pattern of the graph lines on all ECG tracings standard? - Answer-Any physician can read a tracing the same way. How many small squares are in a large square on ECG tracing paper? - Answer-25 When should the stylus move up on the paper 10 small squares and remain at that level for 2 small squares? - Answer-Standard calibration One-half standardization should be used when the ECG tracing is small and hard to read. - Answer-false The stylus should be positioned so the tracing is centered on the ECG paper. - Answer-true How should the heat of the stylus be adjusted if the line on the ECG tracing is too light? - Answer-Increased What is the normal paper speed for an ECG tracing? - Answer-25 mm per second With a paper speed faster than normal, the ECG cycles get stretched out on the paper and appear further apart. - Answer-true