ANSWERS RATED A+
✔✔A calibration mark is? - ✔✔10mm tall
✔✔An electrical current traveling toward a positive electrode produces a waveform
that? - ✔✔points upwards
✔✔To view the limb leads, we place electrodes on the - ✔✔Right arm (RA), left arm
(LA), and left leg (LL)
✔✔With lead 2, the positive electrode is positioned on the? - ✔✔left leg
✔✔How many electrodes are used as part of a 12 lead ECG? - ✔✔10 electrodes
✔✔Which of the following is the first structure that will be seen when imaging from the
suprasternal notch? - ✔✔Aortic arch
✔✔Which one of the following tests does not permit the calculation of the cardiac
ejection fraction? - ✔✔A chest x-ray
✔✔Which of the following is the best method in an irregular rhythm? - ✔✔6 second
intervals x 10 method
✔✔Which ECG limb lead does not record any electrical activity from the heart? -
✔✔Right leg (the ground)
✔✔The most accurate way to measure heart rate is? - ✔✔The 1500 method
✔✔What is the following rhythm? - ✔✔Ventricular tachycardia
✔✔You should count the ___ To get the atrial rate? - ✔✔P waves
✔✔When a rhythm speeds up and slow down in a rhythmic fashion, it is referred to as
_____ irregularity. - ✔✔Patterned
✔✔The 3rd step of analyzing an ECG rhythm is to? - ✔✔determine the heart rate
✔✔Th category of antihypertensive medications that will cause vasodilation, blocked
alderston secretion, and increase urine output is? - ✔✔Ace inhibitors
✔✔In leads 1, 2, AVF, and V2-V6 the defelction of the p-wave is characteristically? -
✔✔Upright
, ✔✔Identify the following rhythm? - ✔✔Atrial fibrillation
✔✔Tall and symmetrically peaked P waves may be seen with - ✔✔A delay in the
movement of the electrical impulse between the right and left atria
✔✔A medication that can be used as a local anesthetic as well as a first line
antiarrhythmic used to treat acute life threatening ventricular arrhythmia is? -
✔✔xylocaine
✔✔The normal QRS complex has? - ✔✔a duration of 0.06-0.12 seconds
✔✔The Q-wave is? - ✔✔The first negative deflection following the p-wave
✔✔A patient is regularly taken to Jackson for heart failure. The patient is instructed to
do what? - ✔✔Check their pulse on a regular basis
✔✔The patient is asymptomatic during an EKG recording and notices a normal sinus
rhythm. What do you do? - ✔✔Continue recording
✔✔The point at which QRS complex is called? - ✔✔The J-point
✔✔In which of the following will the QRS have a higher amplitude? - ✔✔When there is
fluid in the pericardial sac.
✔✔In leads I, II, III, AVL, AVF, AVR, V4-V6 the deflection of the QRS is? - ✔✔Upright
✔✔The QRS comple appears normal if what? - ✔✔The impulse originates from the
ventricles
✔✔Which of the following dysrhythmia arise from the ventricles? - ✔✔Idioventricular
rhythm
✔✔Shorter than normal PR intervals may be seen in? - ✔✔junctions escape rhythm
✔✔Pre-excliation - ✔✔produces a characteristically abnormal slurring at the onset of
QRS and short PR interval
✔✔Choose the patient education process that requires gathering information about the
patients present healthcare needs and abilities - ✔✔Evaluation
✔✔Which of the following is used to mark ECG paper? - ✔✔Stylus