EKG National Test Questions and
Correct Responses 2026
EKG recording: PRI .24 sec, QRS .08 sec, Twave upright, heart rate 68 bpm - <CORRECT ANSWER
>>1st degree heart block
A female pt. has come for an EKG following a mastectomy. EKG electrodes should be placed? -
<CORRECT ANSWER >>as close to the surgery site as possible w/o touching site
artifacts is present in the EKG recording. which of the following actions should the EKG tech
take to correct the artifacts? - <CORRECT ANSWER >>remind pt not to move, use a grounded
electrical outlet, keep pt warm
which of the following instructions must be followed while wearing the Holter monitor? -
<CORRECT ANSWER >>continue normal exercise and working during monitoring, avoid wearing
jewelry, metal buttons, or buckles
if the RA-LA sensors are reversed on a pt, EKG will record a downward deflection in? -
<CORRECT ANSWER >>LEAD 1
which of the following are factors affecting the QT interval? - <CORRECT ANSWER >>electrolyte
imbalance, heart rate, antidsyrhythmic
while obtaining vitals on an infant, how is the heart rate measured? - <CORRECT ANSWER
>>auscultate the apical pulse for 60 secs
a constant PRI that exceeds .20 sec indicates? - <CORRECT ANSWER >>1st degree heart block
which of the following is a typical characteristic of a PAC? - <CORRECT ANSWER >>2 P wave for
1 QRS complex
, what are the 3 of PAC's? - <CORRECT ANSWER >>PRI measures WNL, rhythm will be regular
with occasional early complexes, QRS remains WNL
for a annual EKG visit pt is asked what instructions? - <CORRECT ANSWER >>dont use lotions,
creams, remove stockings and roll up pant legs, as needed
three big boxes between the R-R intervals indicate? - <CORRECT ANSWER >>100 bpm
the EKG tech should enter the medications that the pt is taking into the? - <CORRECT ANSWER
>>electcardiogram
ST segments depression with Twave inversion indicates which if the following arrhythmia's? -
<CORRECT ANSWER >>BBB
to ensure accuracy during the EKG procedure the tech should? - <CORRECT ANSWER >>tell pt to
undress from the waist up, donning the gown with the opening front
the EKG tech needs to obtain vital signs on an emaciated 85 lbs geriatric female with an oxygen
mask prior to obtaining her EKG. which should tech have on hand? - <CORRECT ANSWER
>>temporal thermometer & child blood pressure cuff
which of the following pts. requires modified placement of the electrodes? - <CORRECT
ANSWER >>amputation limbs
what are the standard EKG measurements? - <CORRECT ANSWER >>vertically 5mm,.5mv &
horizontally 1mm, .04 sec
improper grounding of the EKG during set up is mostly likely too result in? - <CORRECT ANSWER
>>alternating current artifact
Correct Responses 2026
EKG recording: PRI .24 sec, QRS .08 sec, Twave upright, heart rate 68 bpm - <CORRECT ANSWER
>>1st degree heart block
A female pt. has come for an EKG following a mastectomy. EKG electrodes should be placed? -
<CORRECT ANSWER >>as close to the surgery site as possible w/o touching site
artifacts is present in the EKG recording. which of the following actions should the EKG tech
take to correct the artifacts? - <CORRECT ANSWER >>remind pt not to move, use a grounded
electrical outlet, keep pt warm
which of the following instructions must be followed while wearing the Holter monitor? -
<CORRECT ANSWER >>continue normal exercise and working during monitoring, avoid wearing
jewelry, metal buttons, or buckles
if the RA-LA sensors are reversed on a pt, EKG will record a downward deflection in? -
<CORRECT ANSWER >>LEAD 1
which of the following are factors affecting the QT interval? - <CORRECT ANSWER >>electrolyte
imbalance, heart rate, antidsyrhythmic
while obtaining vitals on an infant, how is the heart rate measured? - <CORRECT ANSWER
>>auscultate the apical pulse for 60 secs
a constant PRI that exceeds .20 sec indicates? - <CORRECT ANSWER >>1st degree heart block
which of the following is a typical characteristic of a PAC? - <CORRECT ANSWER >>2 P wave for
1 QRS complex
, what are the 3 of PAC's? - <CORRECT ANSWER >>PRI measures WNL, rhythm will be regular
with occasional early complexes, QRS remains WNL
for a annual EKG visit pt is asked what instructions? - <CORRECT ANSWER >>dont use lotions,
creams, remove stockings and roll up pant legs, as needed
three big boxes between the R-R intervals indicate? - <CORRECT ANSWER >>100 bpm
the EKG tech should enter the medications that the pt is taking into the? - <CORRECT ANSWER
>>electcardiogram
ST segments depression with Twave inversion indicates which if the following arrhythmia's? -
<CORRECT ANSWER >>BBB
to ensure accuracy during the EKG procedure the tech should? - <CORRECT ANSWER >>tell pt to
undress from the waist up, donning the gown with the opening front
the EKG tech needs to obtain vital signs on an emaciated 85 lbs geriatric female with an oxygen
mask prior to obtaining her EKG. which should tech have on hand? - <CORRECT ANSWER
>>temporal thermometer & child blood pressure cuff
which of the following pts. requires modified placement of the electrodes? - <CORRECT
ANSWER >>amputation limbs
what are the standard EKG measurements? - <CORRECT ANSWER >>vertically 5mm,.5mv &
horizontally 1mm, .04 sec
improper grounding of the EKG during set up is mostly likely too result in? - <CORRECT ANSWER
>>alternating current artifact
