EKG NATIONAL TEST EXAM WITH
CORRECT ANSWERS
2025
EKG recording: PRI .24 sec, QRS .08 sec, Twave upright, heart ( correc
rate 68 bpm answers ) 1st degree heart block t
A female pt. has come for an EKG following a mastectomy. EKG
electrodes should be placed? ( correct answers ) 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 answers )
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 answers ) 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 answers ) LEAD 1
which of the following are factors affecting the QT interval?
( correct answers ) electrolyte imbalance, heart rate, antidsyrhythmic
while obtaining vitals on an infant, how is the heart rate measured?
( correct answers ) auscultate the apical pulse for 60 secs
a constant PRI that exceeds .20 sec indicates? ( correct answers ) 1st
degree heart block
which of the following is a typical characteristic of a PAC? ( correct
answers ) 2 P wave for 1 QRS complex
what are the 3 of PAC's? ( correct answers ) 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 answers )
dont use lotions, creams, remove stockings and roll up pant legs, as
needed
three big boxes between the R-R intervals indicate? ( correct answers )
100 bpm
GRADED
A+
, the EKG tech should enter the medications that the pt is ( correc
taking into the? answers ) electcardiogram t
ST segments depression with Twave inversion indicates which if the
following arrhythmia's? ( correct answers ) BBB
to ensure accuracy during the EKG procedure the tech should? ( correct
answers ) 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 answers ) temporal thermometer & child blood pressure cuff
which of the following pts. requires modified placement of the electrodes?
( correct answers ) amputation limbs
what are the standard EKG measurements? ( correct answers )
vertically 5mm,.5mv & horizontally 1mm, .04 sec
improper grounding of the EKG during set up is mostly likely too result in?
( correct answers ) alternating current artifact
while monitoring a stress test on a 56 y.o. male, the EKG tech should
stop the test when? ( correct answers ) physician recognizes
asymptomatic
the physician orders an EKG on a pt with severe burns on his left arm.
which of the following alternate placements should tech use? ( correct
answers ) all upper limb leads symmetrically placed as close to the the
original site as possible
while performing an EKG on a pt, electrodes keep falling off. choose 3
things tech should do? ( correct answers ) place tape over
electrodes, clean skin with 70% isopropyl
which of the following occurs when a singular irritable impulse fires so
rapidly it bombards the AV node, causing V shaped/upside V shaped
waves? ( correct
answers
) A-flutter
proper electrode placement for continuous EKG monitoring is identified by
the use of? ( correct answers ) 3 leads placed on pts torso
GRADED
A+
which of the following is the most common lead used to evaluate
componets of the strip? ( correct answers ) LEAD 2
Ventricular pacemaker cells are found at the ? ( correct answers )
Purkinjie fibers
CORRECT ANSWERS
2025
EKG recording: PRI .24 sec, QRS .08 sec, Twave upright, heart ( correc
rate 68 bpm answers ) 1st degree heart block t
A female pt. has come for an EKG following a mastectomy. EKG
electrodes should be placed? ( correct answers ) 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 answers )
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 answers ) 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 answers ) LEAD 1
which of the following are factors affecting the QT interval?
( correct answers ) electrolyte imbalance, heart rate, antidsyrhythmic
while obtaining vitals on an infant, how is the heart rate measured?
( correct answers ) auscultate the apical pulse for 60 secs
a constant PRI that exceeds .20 sec indicates? ( correct answers ) 1st
degree heart block
which of the following is a typical characteristic of a PAC? ( correct
answers ) 2 P wave for 1 QRS complex
what are the 3 of PAC's? ( correct answers ) 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 answers )
dont use lotions, creams, remove stockings and roll up pant legs, as
needed
three big boxes between the R-R intervals indicate? ( correct answers )
100 bpm
GRADED
A+
, the EKG tech should enter the medications that the pt is ( correc
taking into the? answers ) electcardiogram t
ST segments depression with Twave inversion indicates which if the
following arrhythmia's? ( correct answers ) BBB
to ensure accuracy during the EKG procedure the tech should? ( correct
answers ) 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 answers ) temporal thermometer & child blood pressure cuff
which of the following pts. requires modified placement of the electrodes?
( correct answers ) amputation limbs
what are the standard EKG measurements? ( correct answers )
vertically 5mm,.5mv & horizontally 1mm, .04 sec
improper grounding of the EKG during set up is mostly likely too result in?
( correct answers ) alternating current artifact
while monitoring a stress test on a 56 y.o. male, the EKG tech should
stop the test when? ( correct answers ) physician recognizes
asymptomatic
the physician orders an EKG on a pt with severe burns on his left arm.
which of the following alternate placements should tech use? ( correct
answers ) all upper limb leads symmetrically placed as close to the the
original site as possible
while performing an EKG on a pt, electrodes keep falling off. choose 3
things tech should do? ( correct answers ) place tape over
electrodes, clean skin with 70% isopropyl
which of the following occurs when a singular irritable impulse fires so
rapidly it bombards the AV node, causing V shaped/upside V shaped
waves? ( correct
answers
) A-flutter
proper electrode placement for continuous EKG monitoring is identified by
the use of? ( correct answers ) 3 leads placed on pts torso
GRADED
A+
which of the following is the most common lead used to evaluate
componets of the strip? ( correct answers ) LEAD 2
Ventricular pacemaker cells are found at the ? ( correct answers )
Purkinjie fibers
