NCCT EKG STUDY EXAM GUIDE 2026 QUESTIONS AND
ANSWERS SURE A+
✔✔The presence of which of the following conditions is most likely to affect a patient's
temperature when measuring vital signs?
a. tinnitus
b. infection
c. syncope
d. atrophy - ✔✔b
✔✔To correct a wandering baseline, the ECG technician should
a. unplug the electrical equipment around the ECG
b. have the patient remove jewelry
c. secure loose electrodes
d. replace broken cables - ✔✔c
✔✔Which of the following are appropriate actions for the ECG technician to take when
placing electrodes on a patient's skin for a 24-hour Holter monitor? (Select the three (3)
correct answers.)
a. avoid scars and incisions
b. place the electrodes on the arms and torso
c. remove the excessive hair from the electrode site
d. abrade the skin with an alcohol pad or dry 4x4
e. place limb leads with tabs facing up - ✔✔a,c,d
✔✔Which of the following is the correct classification for the strip shown above?
a. regularly regular
b. regularly irregular
c. irregularly reguler
d. irregularly irregular - ✔✔b
✔✔Which of the following is represented by the electrical impulse and standard duration
shown in the strip above?
a. PR interval 0.10-0.12 seconds
b. PR segment 0.10-0.12 seconds
c. PR interval 0.12-0.20 seconds
d. PR segment 0.12-0.20 seconds - ✔✔c
✔✔Which of the following patient conditions requires the lead placement shown in the
diagram above?
a. left sided masectomy
b. dextrocardia
c. left sided chest tube
d. pregnancy - ✔✔b
, ✔✔Which of the following actions should the ECG technician take to ensure proper
monitoring of a patient during a stress test? (Select the three (3) correct answers.)
a. instruct the patient to start at a rapid pace
b. instruct the patient to report any symptoms
c. adjust the temperature of the room to the patient's preference
d. measure blood pressure and heart rate frequently
e. observe facial expressions, skin color and perspiration - ✔✔b,d,e
✔✔Which of the following should the ECG technician tell a patient who is preparing to
wear a Holter monitor?
a. avoid close contact with other electrical devices
b. depress the event marker every hour
c. remove the monitor from its case before bed
d. stop recording after 12 hours - ✔✔a
✔✔Which of the following valves separates the left atrium from the left ventricle?
a. bicuspid
b. pulmonic
c. tricuspid
d. aortic - ✔✔a
✔✔Blood pressure measures cardiovascular function by measuring the force of blood
exerted on
a. arteries
b. veins
c. capillaries
d. venules - ✔✔a
✔✔Which of the following represents the pressure of the heart as it relaxes between
beats?
a. systolic pressure
b. diastolic pressure
c. systolic murmur
d. pulse pressure - ✔✔b
✔✔Which of the following arteries is most commonly used for blood pressure
measurement?
a. radial
b. brachial
c. carotid
d. popliteal - ✔✔b
ANSWERS SURE A+
✔✔The presence of which of the following conditions is most likely to affect a patient's
temperature when measuring vital signs?
a. tinnitus
b. infection
c. syncope
d. atrophy - ✔✔b
✔✔To correct a wandering baseline, the ECG technician should
a. unplug the electrical equipment around the ECG
b. have the patient remove jewelry
c. secure loose electrodes
d. replace broken cables - ✔✔c
✔✔Which of the following are appropriate actions for the ECG technician to take when
placing electrodes on a patient's skin for a 24-hour Holter monitor? (Select the three (3)
correct answers.)
a. avoid scars and incisions
b. place the electrodes on the arms and torso
c. remove the excessive hair from the electrode site
d. abrade the skin with an alcohol pad or dry 4x4
e. place limb leads with tabs facing up - ✔✔a,c,d
✔✔Which of the following is the correct classification for the strip shown above?
a. regularly regular
b. regularly irregular
c. irregularly reguler
d. irregularly irregular - ✔✔b
✔✔Which of the following is represented by the electrical impulse and standard duration
shown in the strip above?
a. PR interval 0.10-0.12 seconds
b. PR segment 0.10-0.12 seconds
c. PR interval 0.12-0.20 seconds
d. PR segment 0.12-0.20 seconds - ✔✔c
✔✔Which of the following patient conditions requires the lead placement shown in the
diagram above?
a. left sided masectomy
b. dextrocardia
c. left sided chest tube
d. pregnancy - ✔✔b
, ✔✔Which of the following actions should the ECG technician take to ensure proper
monitoring of a patient during a stress test? (Select the three (3) correct answers.)
a. instruct the patient to start at a rapid pace
b. instruct the patient to report any symptoms
c. adjust the temperature of the room to the patient's preference
d. measure blood pressure and heart rate frequently
e. observe facial expressions, skin color and perspiration - ✔✔b,d,e
✔✔Which of the following should the ECG technician tell a patient who is preparing to
wear a Holter monitor?
a. avoid close contact with other electrical devices
b. depress the event marker every hour
c. remove the monitor from its case before bed
d. stop recording after 12 hours - ✔✔a
✔✔Which of the following valves separates the left atrium from the left ventricle?
a. bicuspid
b. pulmonic
c. tricuspid
d. aortic - ✔✔a
✔✔Blood pressure measures cardiovascular function by measuring the force of blood
exerted on
a. arteries
b. veins
c. capillaries
d. venules - ✔✔a
✔✔Which of the following represents the pressure of the heart as it relaxes between
beats?
a. systolic pressure
b. diastolic pressure
c. systolic murmur
d. pulse pressure - ✔✔b
✔✔Which of the following arteries is most commonly used for blood pressure
measurement?
a. radial
b. brachial
c. carotid
d. popliteal - ✔✔b
