AMCA EKG Exam Practice Questions with complete solutions

what is the most accurate method for acquiring heart rate? 1500 method As an impulse moves toward a positive electrode it produces what type of deflection? upward 00:15 01:33 on ECG papers horizontal measurements are used to determine what? heart rate the initiation of the impulse in the SA Node and its movement through the atria produce? P-wave repolarization of the ventricles is represented by the? T-wave artifact is? problematic because it can mimic life-threatening dysrhythmias two PVC's in a row are called a: couplet the heart valve that is situated between the right atrium and the right ventricle is called? the tricuspid valve automaticity means: the ability of certain cells to produce an electrical impulse without the need for outside nerve stimulation each small square running horizontally represents: 0.04 seconds how many electrosdes are used as part of a 12-lead ECG? 10 the third step of analyzing an ECG rhythm is? evaluate the P-wave 00:02 01:33 the PR-intervals get progressively longer in: 2nd degree AV heart block, Type I a heart rate below 60 bpm is called: bradycardia atrial fibrillation has: no P-waves which patient education process lets you know that the teaching plan is working? evaluation which of the following actions is helpful in assisting patients with their needs? keeping a list of community resources that can further assist the patient what is used to mark an ECG paper? a stylus is a patient is said to be in asystole, the characteristics would be described as: rate of 0 and no pulse what method of preparation for the patient that will ensure a successful ECG recording? making sure the patients legs are not crossed and the arms are resting at each side when education a patients about factors that increase the risk of atherosclerosis include which of the following? high blood pressure and obesity the ECG should be performed in a quiet environment because: interference is minimized when preparing a patient to wear a Holter Monitor, instruct the patient to: depress the event marker for significant symptoms when no abnormalities show during a resting ECG, the physician may order an Exercise ECG. Another name for this is: stress test which of the following terms refers to the ventricular ectopic discharge at a rapid, regular rate in excess of 100 BPM? ventricular tachycardia This cavity contains the heart and lungs, among other organs: thoracic Located near the back of the body, this body cavity is a continuous internal opening that includes the cranial and spinal cavities: posterior (dorsal) cavity This is the scrubbing of instruments with special brushes and detergents to remove blood, mucous, etc: sanitization This is the process that involves a soaking or wiping process and inhibits the activity of disease-causing organisms: disinfection The process used for supplies that would come in contact with internal body tissue or an open wound. It involves the use of heat (steam) and an autoclave: sterilization The patient has a history of cardiovascular disease. Which of the following tests would not be used as a screening procedure? colonoscopy Which plane divides the body into right and left portions? sagittal The amount of blood flow to the myocardium is termed: perfusion Which heart valve is between the left atrium and the left ventricle? bicuspid The total amount of blood pumped out of the heart in one minute is known as the: cardiac output Which of the following irregularities on an ECG would be considered the most severe? V-fib