NCCT EKG LATEST EXAMS TEST QUESTIONS AND
ANSWERS SURE A+
✔✔The use of smaller electrodes while running an ECG on a four year old pediatric
patient will require which of the following modifications?
a. decrease the paper speed
b. increase the paper speed
c. place the patient in Sim's position
d. place the patient in a dorsal recumbent position - ✔✔b
✔✔After validating an ECG order, collecting all supplies, and ensuring the machine is in
proper working order, the technician's next action should be to
a. explain the procedure
b. provide for privacy
c. apply the electrodes
d. identify the patient - ✔✔d
✔✔The time from ventricular depolarization through repolarization is represented by the
a. QRS complex
b. PR interval
c. QT interval
d. PR segment - ✔✔c
✔✔In electrocardiography, the degrees of variation (horizontally and vertically) are
known as the
a. isoelectric line and baseline
b. deflection and baseline
c. amplitude and voltage
d. time and amplitude - ✔✔d
✔✔Which of the following calculation methods should be used to determine heart rate in
the strip shown above?
a. the R-R method
b. the 1500 method
c. the 300 method
d. the 6 second method - ✔✔d
✔✔An ECG technician is preparing to perform an ECG on a patient with a total left arm
amputation. How should the technician place the arm electrodes?
a. place both the right and left on the upper outer shoulder area
b. omit the left electrodes and put the right on the upper outer arm
c. put the right on the upper outer arm and left on the torso below the clavicle
d. put both the right and left on the torso, below the clavicle - ✔✔d
,✔✔The expected time frame to obtain a reading when measuring a temperature with a
digital thermometer is which of the following?
a. approximately 30 seconds
b. 3 to 4 minutes
c. a few seconds
d. 2 to 3 minutes - ✔✔c
✔✔The time interval after ventricular depolarization and before ventricular repolarization
is the
a. QT interval
b. ST segment
c. PR interval
d. QRS complex - ✔✔b
✔✔When performing an ECG on a child, the ECG technician should place
a. V3 on the right side of the chest
b. V4 two inches lower than on an adult
c. V2 on the right side of the chest next to V1
d. V6 posterior wall of the chest - ✔✔a
✔✔Which of the following actions should the ECG technician take if a 3 second period
of sinus arrest is observed on an asymptomatic patient?
a. call a code
b. check the patient for a pulse
c. ask the patient to remain still
d. inform the physician about the pause - ✔✔d
✔✔After notifying the physician, which of the following should be the ECG technician's
next action for a patient with strip shown above?
a. check the precordial (V1-V6) leads and limb placement
b. monitor the patient for deterioration of symptoms
c. initiate emergency response system or code blue
d. evaluate the patient's cardiac output - ✔✔b
✔✔A medical assistant obtains the tracing shown above on a patient. Which of the
following actions should the medical assistant take?
a. check for incorrect lead placement
b. place the patient in Trendelenburg's position
c. ensure precordial lead wires are crossed to balance polarization
d. remind the patient to remain as still as possible - ✔✔d
✔✔Which of the following should the ECG technician do with a patient on contact
precautions? (Select the three (3) correct answers.)
a. wash hands
, b. wear eye protection
c. avoid contaminated surfaces
d. disinfect all equipment
e. wear a mask - ✔✔a,c,d
✔✔Modified electrode placement is necessary for which of the following special
circumstances?
a. amputated limb
b. breast implants
c. L ventral wall abnormalities
d. ventral burn scarring - ✔✔a
✔✔A patient with a blood pressure of 158/96 mmHg is considered
a. tachycardia
b. hypertensive
c. hypotensive
d. bradycardic - ✔✔b
✔✔The ECG strip shown above displays a prolonged
a. QRS complex
b. QT interval
c. PR interval
d. P wave - ✔✔c
✔✔When a patient with a pacemaker has an ECG performed, the strip will contain
a. small spikes where a P wave may not be seen
b. an introverted T wave
c. an elevated ST segment
d. large spikes where a QRS complex is absent - ✔✔a
✔✔Which of the following should be included in the medical history taken prior to an
ECG?
a. fasting status
b. smoker versus non-smoker status
c. current medications
d. SPO2 - ✔✔c
✔✔While performing an ECG on a patient, electrodes keep falling off. Which of the
following should the ECG technician do? (Select the two (2) correct answers.)
a. place tape over the electrodes
b. clean the skin with soap and water
c. clean the skin with 70% ispropyl
d. reposition the electrodes
e. ask the patient to sit on her hands - ✔✔a,c
ANSWERS SURE A+
✔✔The use of smaller electrodes while running an ECG on a four year old pediatric
patient will require which of the following modifications?
a. decrease the paper speed
b. increase the paper speed
c. place the patient in Sim's position
d. place the patient in a dorsal recumbent position - ✔✔b
✔✔After validating an ECG order, collecting all supplies, and ensuring the machine is in
proper working order, the technician's next action should be to
a. explain the procedure
b. provide for privacy
c. apply the electrodes
d. identify the patient - ✔✔d
✔✔The time from ventricular depolarization through repolarization is represented by the
a. QRS complex
b. PR interval
c. QT interval
d. PR segment - ✔✔c
✔✔In electrocardiography, the degrees of variation (horizontally and vertically) are
known as the
a. isoelectric line and baseline
b. deflection and baseline
c. amplitude and voltage
d. time and amplitude - ✔✔d
✔✔Which of the following calculation methods should be used to determine heart rate in
the strip shown above?
a. the R-R method
b. the 1500 method
c. the 300 method
d. the 6 second method - ✔✔d
✔✔An ECG technician is preparing to perform an ECG on a patient with a total left arm
amputation. How should the technician place the arm electrodes?
a. place both the right and left on the upper outer shoulder area
b. omit the left electrodes and put the right on the upper outer arm
c. put the right on the upper outer arm and left on the torso below the clavicle
d. put both the right and left on the torso, below the clavicle - ✔✔d
,✔✔The expected time frame to obtain a reading when measuring a temperature with a
digital thermometer is which of the following?
a. approximately 30 seconds
b. 3 to 4 minutes
c. a few seconds
d. 2 to 3 minutes - ✔✔c
✔✔The time interval after ventricular depolarization and before ventricular repolarization
is the
a. QT interval
b. ST segment
c. PR interval
d. QRS complex - ✔✔b
✔✔When performing an ECG on a child, the ECG technician should place
a. V3 on the right side of the chest
b. V4 two inches lower than on an adult
c. V2 on the right side of the chest next to V1
d. V6 posterior wall of the chest - ✔✔a
✔✔Which of the following actions should the ECG technician take if a 3 second period
of sinus arrest is observed on an asymptomatic patient?
a. call a code
b. check the patient for a pulse
c. ask the patient to remain still
d. inform the physician about the pause - ✔✔d
✔✔After notifying the physician, which of the following should be the ECG technician's
next action for a patient with strip shown above?
a. check the precordial (V1-V6) leads and limb placement
b. monitor the patient for deterioration of symptoms
c. initiate emergency response system or code blue
d. evaluate the patient's cardiac output - ✔✔b
✔✔A medical assistant obtains the tracing shown above on a patient. Which of the
following actions should the medical assistant take?
a. check for incorrect lead placement
b. place the patient in Trendelenburg's position
c. ensure precordial lead wires are crossed to balance polarization
d. remind the patient to remain as still as possible - ✔✔d
✔✔Which of the following should the ECG technician do with a patient on contact
precautions? (Select the three (3) correct answers.)
a. wash hands
, b. wear eye protection
c. avoid contaminated surfaces
d. disinfect all equipment
e. wear a mask - ✔✔a,c,d
✔✔Modified electrode placement is necessary for which of the following special
circumstances?
a. amputated limb
b. breast implants
c. L ventral wall abnormalities
d. ventral burn scarring - ✔✔a
✔✔A patient with a blood pressure of 158/96 mmHg is considered
a. tachycardia
b. hypertensive
c. hypotensive
d. bradycardic - ✔✔b
✔✔The ECG strip shown above displays a prolonged
a. QRS complex
b. QT interval
c. PR interval
d. P wave - ✔✔c
✔✔When a patient with a pacemaker has an ECG performed, the strip will contain
a. small spikes where a P wave may not be seen
b. an introverted T wave
c. an elevated ST segment
d. large spikes where a QRS complex is absent - ✔✔a
✔✔Which of the following should be included in the medical history taken prior to an
ECG?
a. fasting status
b. smoker versus non-smoker status
c. current medications
d. SPO2 - ✔✔c
✔✔While performing an ECG on a patient, electrodes keep falling off. Which of the
following should the ECG technician do? (Select the two (2) correct answers.)
a. place tape over the electrodes
b. clean the skin with soap and water
c. clean the skin with 70% ispropyl
d. reposition the electrodes
e. ask the patient to sit on her hands - ✔✔a,c
