Midterm Exam: NR 571/ NR571 (NEW 2026/ 2027 Update) Complex Diagnosis & Management in Acute Care Practicum Review| Questions & Answers | Grade A| 100% Correct (Verified Solutions)-Chamberlain

Midterml Exam:l NRl 571/l NR571l (NEWl
2026/l 2027l Update)l Complexl Diagnosisl &l
Managementl inl Acutel Carel Practicuml
Review|l Questionsl &l Answersl |l Gradel A|l
100%l Correctl (Verifiedl Solutions)-
Chamberlain

QUESTION
Whatl isl anl EKG?

Answer:
electrocardiogram.l Al measurementl ofl heartl electricall activityl tol diagnosel heartl problems.



QUESTION
Pl wave

Answer:
atriall depolarizationl (atriall contraction)l inl responsel tol thel SAl nodel triggering



QUESTION
QRSl complex

Answer:
Ventricularl depolarizationl (ventricularl contraction).



QUESTION
Tl wave

,Answer:
Ventricularl repolarizationl (ventricularl relaxation)



QUESTION
PRl interval

Answer:
Timel froml thel STARTl ofl thel Pl wavel tol thel STARTl ofl thel QRSl complexl whichl
correlatesl withl thel onsetl ofl atriall depolarizationl andl thel onsetl ofl ventricularl
depolarization.l Representsl AVl nodall delayl tol allowl thel ventriclesl tol filll afterl atriall
contraction.



QUESTION
STl segment

Answer:
beginningl ofl ventriclel repolarization,l (shouldl bel flat)
Timel froml thel ENDl ofl thel QRSl complexl tol thel STARTl ofl thel Tl wavel whichl
correlatesl withl ventricularl depolarizationl andl ventricularl repolarization



QUESTION
whatl arel thel 5l primaryl sitesl onl anl EKG?

Answer:
inferior
septal
anterior
lateral
posterior



QUESTION
Whatl coronaryl arteryl isl involvedl w/l anl INFERIORl walll blockage?

Answer:

,Rightl Coronaryl Arteryl (RCA)
seenl inl leadsl II,l IIIl &l aVF



QUESTION
Whatl EKGl leadsl arel relatedl tol thel INFERIORl walll ofl thel heart?

Answer:
II,l III,l aVF



QUESTION
Whatl EKGl leadsl arel relatedl tol thel SEPTALl walll ofl thel heart?

Answer:
V1,l V2



QUESTION
Whatl coronaryl arteryl isl involvedl w/l anl SEPTALl walll blockage?

Answer:
Leftl Anteriorl Descendingl (LAD)
seenl inl leadsl V1,l &l V2



QUESTION
Whatl EKGl leadsl arel relatedl tol thel ANTERIORl walll ofl thel heart?

Answer:
V2,l V3,l V4



QUESTION
Whatl coronaryl arteryl isl involvedl w/l anl ANTERIORl walll blockage?

Answer:

, Leftl Anteriorl Descendingl (LAD)
seenl inl leadsl V2,l V3,l V4



QUESTION
Whatl EKGl leadsl arel relatedl tol thel LATERALl walll ofl thel heart?

Answer:
I,l aVL,l V5,l V6



QUESTION
Whatl coronaryl arteryl isl involvedl w/l anl LATERALl walll blockage?

Answer:
Circumflex
seenl inl leadsl I,l aVL,l V5,l V6



QUESTION
Whatl EKGl leadsl arel relatedl tol thel POSTERIORl walll ofl thel heart?

Answer:
V8,l V9



QUESTION
Whatl coronaryl arteryl isl involvedl w/l anl POSTERIORl walll blockage?

Answer:
Rightl Coronaryl Arteryl (RCA)
seenl inl leadsl V8l &l V9



QUESTION
Whatl isl thel noncomicl tol rememberl EKG?