WITH VERIFIED ANSWERS
\.Which of the following is the only calculating method available for both regular
and irregular rhythms? - ANSWERS✔-The 6- Second method
\.During a stress test, an EKG tech notices the patient appears to be
hyperventilating. Which of the following is an appropriate course of action for the
tech? - ANSWERS✔-Check the patient's respiratory rate. Checking the rate will
allow the CET to confirm hyperventilation.
\.Which of the following sensitivity settings would produce a calibration box that
measures 10mm tall? - ANSWERS✔-A sensitivity setting of 1
\.Which of the following methods for calculating a patient's heart rate from the
EKG is correct? - ANSWERS✔-Divide 1,500 by the number of small boxes between
two R waves to calculate a full cardiac cycle.
\.What is the correct order of a complete cardiac cycle in the normal heart? -
ANSWERS✔-P wave, QRS complex, and T wave
, \.While performing a stress test, the patient complains of dizziness. After stopping
the test, which of the following actions should the CET take first:? - ANSWERS✔-
The CET should notify the physician immediately after stopping the test.
\.Which of the following describes the correct electrode placement for lead V5? -
ANSWERS✔-Anterior axillary line, 5th intercostal space.
\.Calculate the heart rate in the tracing below using the 1500 method.
- ANSWERS✔-68/min
\.The R-R interval on a patient's tracing had five large boxes. Which of the
following is the patient's heart rate? - ANSWERS✔-The rate is calculated using the
300 method.
330/5 = 60
\.Where the EKG tech place the electrode for lead V5? - ANSWERS✔-On the left
anterior axillary line, horizontal to V4
\.Which of the following waves would an EKG tech measure to evaluate for atrial
enlargement? - ANSWERS✔-The P wave is the only wave that is measure outside
of an interval or a complex.
\.What is the name of the arrhythmia in the EKG tracing below? - ANSWERS✔-
Atrial flutter
Characterized by flutter waves between QRS complexes. The most common flutter
to ventricular response ration is 2:1