NHA EKG practice test questions & answers ( A+ GRADED 100% VERIFIED) 2023

NHA EKG Practice Test ST segment elevation is associated with - ANSWER myocardial injury During a stress test the patient begins to feel fatigue and the EKG shows v-tach the first thing you should do is - ANSWER notify the physician If the QRS is too tall to fit on the EKG paper, change the gain control to - ANSWER 1/2 If the patient is alert and orientated, but the tech finds all waveforms to be negative, check the - ANSWER left and right arm limb leads Decreased potassium levels cause what to be visible on an EKG? - ANSWER u waves The classic presentation of ischemia include - ANSWER ST segment depression and T wave inversion What is the easiest site to obtain a pulse on an infant because of its proximity to the surface of the skin? - ANSWER the brachial artery Who should make repairs to the EKG machine? - ANSWER a biomedical tech If a physician orders a telemetry monitor to be worn at home, what statement would show the need for further instruction? - ANSWER "if a lead comes loose, I may reattach it myself" When preforming an EKG on a two-year old patient you should move the limb leads to the - ANSWER torso When preforming a posterior EKG, where should v8 be placed? - ANSWER on the left midscapular line What controls the height of the waveform on an EKG? - ANSWER sensitivity Peaked, hypacute, and broad based T waves and convex ST segments are classic findings of? - ANSWER myocardial ischemia What can be used up to two hours prior to a stress test because of its short half-life? - ANSWER tobacco products Where should v5 be placed? - ANSWER v5 should be placed on the left anterior axillary line, horizontal to v4