CCT EXAM PRACTICE (EE) || Questions and 100% Accurate Answers.

Which of the following leads would help to record the electrical activity in the heart's horizontal plane? -Bipolar lead -12-lead ECG -Precordial leads -Unipolar leads correct answers Precordial leads This provides a transverse view through the middle of the heart which divides it into upper and lower portions. Of the electrocardiogram waves, which would be considered the first deflection after the diastole that is produced because of the atrial depolarization? -T wave -S wave -Q wave -P wave correct answers P wave This occurs because of the atrial depolarization of the heart. The Bundle of His has an intrinsic firing rate of which of the following? -40 to 60 beats per minute -30 to 60 beats per minute -60 to 80 beats per minute -80 to 100 beats per minute correct answers 40-60 beats per minute The Bundle of His is located at the superior portion of the interventricular septum. The Bundle of His is actually the pathway of the electrical impulses that lead out of the SA node. If a patient is experiencing a low blood pressure, which of the following terms would be correct? -Hyper tension -Hypoxemia -Hypotension -Hypoplastic correct answers Hypotension Hypertension: high blood pressure Hypoxemia: low oxygen concentration in the blood Hypoplastic: when an organ is abnormally small because of a problem with development prior to birth