NCCT Exam with Questions and Verified Answers

NCCT Exam with Questions and Verified Answers Which of the following occurs when a singular irritable impulse fires so rapidly it bombards the AV node, causing V shaped or upside down V shaped waves? a. ventricular flutter b. atrial flutter c. ventricular tachycardia d. atrial tachycardia ANSWER atrial flutter A constant PRI (PR Interval) that exceeds 0.20 seconds indicates a/an __________________ a. first degree AV block. b. second degree AV block. c. third degree AV block. d. AV block 2:1 conduction. ANSWER first degree AV block While obtaining vitals on an infant, how is the heart rate measured? a. Palpate the radial pulse for 60 seconds. b. Auscultate the apical pulse for 60 seconds. c. Auscultate the brachial pulse for 60 seconds. d. Palpate the femoral pulse for 60 seconds. ANSWER Auscultate the apical pulse for 60 seconds. Proper electrode placement for continuous ECG monitoring is identified by the use of a. 3 leads placed on the patient's torso. b. 5 electrodes placed on the patient's extremities and torso.