NHA CET EXAM PREP QUESTIONS WITH
CORRECT ANSWERS 2025
WhatWisWtheWprimaryWpacemaker?W-WCORRECTWANSWERW-SAWNode
WhatWisWaWmoreWmedicallyWcorrectWtermWforWtheWclottingWofWanWartery?W-WCORRECTWANSWERW-
Occlusion
WhenWtheWAtriaWdepolarizeW(orWcontract),WwhatWisWshownWonWtheWEKGWtracing?W-WCORRECTWANSWERW-
PWwave
AnWirregularWheartbeatWthatWisWcommonWamongWchildrenWisWcalledW_____W_____.W-
WCORRECTWANSWERW-SinusWArrhythmia
1WsmWboxWonWanWEKGWstripWdenotesW0.04WsecondsWofWtime.WHowWlongWisWthisWrepresentedWinWmillimete
rs?W-WCORRECTWANSWERW-1Wmm
WhatWisWtheWtermWusedWtoWdescribedWtheWamountWofWbloodWpumpedWbyWtheWheartWperWminute?W-
WCORRECTWANSWERW-CardiacWoutput
LeadsWIWtoWIIIWareWcollectivelyWknownWasW-WCORRECTWANSWERW-StandardWleads
LeadsWV1WtoWV6WareWcollectivelyWknownWasW-WCORRECTWANSWERW-PrecordialWleads
WhatWisWtheWmainWarteryWinWtheWarterialWsystemW-WCORRECTWANSWERW-Aorta
aVr,WaVl,WandWaVfWareWknownWasW-WCORRECTWANSWERW-AugmentedWleads
LegWelectrodesWareWonlyWusedWfor?W-WCORRECTWANSWERW-grounding
WhatWisWtheWmainWveinWinWtheWvenousWsystem?W-WCORRECTWANSWERW-SuperiorWvenaWcava
, TheWmitralWvalveWisWalsoWknownWasW-WCORRECTWANSWERW-bicuspidWvalve
WhenWtheWventriclesWdepolarizesW(contracts),WwhatWisWshownWonWtheWEKGWtracingW-
WCORRECTWANSWERW-QRSWcomplex
TheWAngleWofWLouisWprovidesWtheWLOCATIONWforWwhichWintercostalWspaceW-WCORRECTWANSWERW-2nd
WhenWclottingWreducesWoxygenWsupplyWtoWaWregionWofWtheWheartWitWisWknownWasW_____.W-
WCORRECTWANSWERW-Ischemia
WhenWtheWAtriaWrepolarizeW(orWareWatWrest),WwhatWisWshownWonWtheWEKGWtracing?W-
WCORRECTWANSWERW-PRWsegment
(T/F)WYouWshouldWstopWaWstressWtestWbecauseWofWaWchangeWofWheartWrhythmW-WCORRECTWANSWERW-
False
WhatWisWformedWbyWtheWmanubriumWandWtheWbodyWofWtheWsternumWthatWhelpsWinWelectrodeWplacemen
tW-WCORRECTWANSWERW-AngleWofWLouis
V1WisWplacedWinWtheW4thWintercostalWspaceWandWisWlocatedWonWwhichWsideWofWtheWsternumW-
WCORRECTWANSWERW-RightWside
TheWdistanceWbetweenWPWwaveWtoWPWwaveWcanWbeWusedWtoWcalculateWwhatWkindWofWrateW-
WCORRECTWANSWERW-AtrialWrate
WhichWleadWshouldWbeWplacedWjustWbelowWtheWnipple,WinWtheW5thWintercostalWspaceWonWtheWmidclavicul
arWlineW(MCL)?W-WCORRECTWANSWERW-V4
WhatWarrhythmiaWisWassociatedWwithWtheWskippingWofWheartbeatsWonWanWEKGWtracing?W-
WCORRECTWANSWERW-SinusWArrest
CORRECT ANSWERS 2025
WhatWisWtheWprimaryWpacemaker?W-WCORRECTWANSWERW-SAWNode
WhatWisWaWmoreWmedicallyWcorrectWtermWforWtheWclottingWofWanWartery?W-WCORRECTWANSWERW-
Occlusion
WhenWtheWAtriaWdepolarizeW(orWcontract),WwhatWisWshownWonWtheWEKGWtracing?W-WCORRECTWANSWERW-
PWwave
AnWirregularWheartbeatWthatWisWcommonWamongWchildrenWisWcalledW_____W_____.W-
WCORRECTWANSWERW-SinusWArrhythmia
1WsmWboxWonWanWEKGWstripWdenotesW0.04WsecondsWofWtime.WHowWlongWisWthisWrepresentedWinWmillimete
rs?W-WCORRECTWANSWERW-1Wmm
WhatWisWtheWtermWusedWtoWdescribedWtheWamountWofWbloodWpumpedWbyWtheWheartWperWminute?W-
WCORRECTWANSWERW-CardiacWoutput
LeadsWIWtoWIIIWareWcollectivelyWknownWasW-WCORRECTWANSWERW-StandardWleads
LeadsWV1WtoWV6WareWcollectivelyWknownWasW-WCORRECTWANSWERW-PrecordialWleads
WhatWisWtheWmainWarteryWinWtheWarterialWsystemW-WCORRECTWANSWERW-Aorta
aVr,WaVl,WandWaVfWareWknownWasW-WCORRECTWANSWERW-AugmentedWleads
LegWelectrodesWareWonlyWusedWfor?W-WCORRECTWANSWERW-grounding
WhatWisWtheWmainWveinWinWtheWvenousWsystem?W-WCORRECTWANSWERW-SuperiorWvenaWcava
, TheWmitralWvalveWisWalsoWknownWasW-WCORRECTWANSWERW-bicuspidWvalve
WhenWtheWventriclesWdepolarizesW(contracts),WwhatWisWshownWonWtheWEKGWtracingW-
WCORRECTWANSWERW-QRSWcomplex
TheWAngleWofWLouisWprovidesWtheWLOCATIONWforWwhichWintercostalWspaceW-WCORRECTWANSWERW-2nd
WhenWclottingWreducesWoxygenWsupplyWtoWaWregionWofWtheWheartWitWisWknownWasW_____.W-
WCORRECTWANSWERW-Ischemia
WhenWtheWAtriaWrepolarizeW(orWareWatWrest),WwhatWisWshownWonWtheWEKGWtracing?W-
WCORRECTWANSWERW-PRWsegment
(T/F)WYouWshouldWstopWaWstressWtestWbecauseWofWaWchangeWofWheartWrhythmW-WCORRECTWANSWERW-
False
WhatWisWformedWbyWtheWmanubriumWandWtheWbodyWofWtheWsternumWthatWhelpsWinWelectrodeWplacemen
tW-WCORRECTWANSWERW-AngleWofWLouis
V1WisWplacedWinWtheW4thWintercostalWspaceWandWisWlocatedWonWwhichWsideWofWtheWsternumW-
WCORRECTWANSWERW-RightWside
TheWdistanceWbetweenWPWwaveWtoWPWwaveWcanWbeWusedWtoWcalculateWwhatWkindWofWrateW-
WCORRECTWANSWERW-AtrialWrate
WhichWleadWshouldWbeWplacedWjustWbelowWtheWnipple,WinWtheW5thWintercostalWspaceWonWtheWmidclavicul
arWlineW(MCL)?W-WCORRECTWANSWERW-V4
WhatWarrhythmiaWisWassociatedWwithWtheWskippingWofWheartbeatsWonWanWEKGWtracing?W-
WCORRECTWANSWERW-SinusWArrest