The Science of the ECG (AES) question and answers graded A+ 2023/2024 already passed

The Science of the ECG (AES) Which lead shows the voltage difference between the right arm and left arm? - correct answer Lead I Which lead shows the voltage difference between the left arm and left leg? - correct answer Lead III Which lead monitors an electrode horizontal to V4 at the left anterior axillary line? - correct answer V5 Which lead monitors an electrode at the 4th intercostal space on the right side of the sternum? - correct answer V1 Which of these patients may need more-frequent ECGs? - correct answer A 48-year-old with hypertension Which lead monitors an electrode at the 4th intercostal space on the left side of the sternum? - correct answer V2 Why might an ECG be performed during a physical when a healthy patient is in their late 30s? - correct answer To get a base reading Which part of an ECG machine moves against the tracing paper to record the waves of the ECG cycle? - correct answer Stylus Which lead monitors an electrode horizontal to V4 at the left midaxillary line? - correct answer V6 Which lead shows the voltage difference between the right arm and the midpoint of the left arm and left leg? - correct answer aVR Where is the heart in relation to Einthoven's triangle? - correct answer Near the center Which lead monitors an electrode at the 5th intercostal space on the left mid-clavicular line? - correct answer V4 Which leads in an ECG monitor electrodes placed on a patient's arms and legs? - correct answer Limb Which of these items are placed on the patient's limbs and chest in an ECG to detect impulses? - correct answer Electrodes How did augmented leads get their name? - correct answer The impulses recorded by them must be increased to be read. How many leads are in a standard ECG? - correct answer 12 Which limb electrode is used as a reference point and is not part of the ECG recording? - correct answer RL Right Leg Which lead shows the voltage difference between the left arm and the midpoint of the right arm and left leg? - correct answer aVL Which lead shows the voltage difference between the right arm and left leg? - correct answer lead II Which lead monitors an electrode midway between the V2 and V4 positions? - correct answer V3 The lines between which leads form Einthoven's triangle? - correct answer Standard Where are the electrodes that precordial leads monitor placed? - correct answer Chest