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NR 283 /NR283 PATHO EXAM2 WEEK3,4,5 AND FINAL EXAM CHAMBERLAIN COLLEGE EXAM 170 QUESTIONS WITH DETAILED VERIFIED ANSWERS WITH ELABORATED DIAGRAMSAND RATIONALES /A+ GRADE ASSURED

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NR 283 /NR283 PATHO EXAM2 WEEK3,4,5 AND FINAL EXAM CHAMBERLAIN COLLEGE EXAM 170 QUESTIONS WITH DETAILED VERIFIED ANSWERS WITH ELABORATED DIAGRAMSAND RATIONALES /A+ GRADE ASSURED

Institution
NR 283 /NR283 PATHO
Course
NR 283 /NR283 PATHO

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NR 283 /NR283 PATHO EXAM2 WEEK3,4,5 AND
FINAL EXAM CHAMBERLAIN COLLEGE EXAM
170 QUESTIONS WITH DETAILED VERIFIED
ANSWERS WITH ELABORATED DIAGRAMSAND
RATIONALES /A+ GRADE ASSURED




What44is44the44primary44function44of44the44SA44node44in44the44heart?

A) To44slow44down44the44heart44rate

B) To44act44as44a44gatekeeper44for44electrical44signals

C) To44initiate44electrical44impulses44that44set44the44rhythm44and44rate44of44the44heart;44"pacemaker"44of44
the44heart

D) To44contract44and44pump44blood44to44the44ventricles

C)44To44initiate44electrical44impulses44that44set44the44rhythm44and44rate44of44the44heart;44"pacemaker"44of4
4the44heart




What44is44the44role44of44the44AV44node44in44the44cardiac44conduction44system?

A) To44act44as44the44primary44pacemaker44of44the44heart

B) To44contract44and44pump44blood44into44the44ventricles

C) To44slow44the44electrical44signal44before44it44enters44the44ventricles

D) To44prevent44the44backflow44of44blood44into44the44atria

C)44To44slow44the44electrical44signal44before44it44enters44the44ventricles

,Which44valves44make44up44the44S244sound?

1.44

2.44

,1. Aortic
2. Pulmonic




Which44valves44make44up44the44S144sound?

1. 44
2. 44
1. Bicuspid/mitral
2. Tricuspid




What44is44the44term44used44to44describe44the44filling44of44the44ventricles44with44blood?

A) Afterload

B) Preload

C) Stroke44volume

D) Cardiac44output

B) Preload




Afterload44refers44to:

A) The44amount44of44pressure44needed44to44pump44blood44out44of44the44ventricles;44the44resistance4
4the44left44ventricle44must44overcome44to44pump44the44blood44into44circulation

B) The44amount44of44blood44returning44to44the44heart

C) The44volume44of44blood44filling44the44ventricles44before44contraction

D) The44electrical44impulses44that44set44the44heart44rate

, A) The44amount44of44pressure44needed44to44pump44blood44out44of44the44ventricles;44the44resistance4
4the44left44ventricle44must44overcome44to44pump44the44blood44into44circulation




Which44formula44correctly44represents44cardiac44output44(CO)?

A) CO44=44HR44+44SV44(Stroke44Volume)

B) CO44=44HR44-44SV44(Stroke44Volume)

C) CO44=44HR44x44SV44(Stroke44Volume)

D) CO44=44HR44/44SV44(Stroke44Volume)

C) CO44=44HR44x44SV44(Stroke44Volume)




What44is44the44primary44difference44between44atherosclerosis44and44arteriosclerosis?

A) Atherosclerosis44refers44to44the44hardening44of44arteries,44while44arteriosclerosis44involves44plaque44buil
dup.

B) Atherosclerosis44involves44plaque44buildup44that44obstructs44blood44flow,44while44arteriosclerosis44
refers44to44the44hardening44of44arteries.

C) Atherosclerosis44is44a44type44of44arteriosclerosis44that44affects44the44veins,44while44arteriosclero
sis44affects44the44arteries.

D) Atherosclerosis44results44from44high44blood44pressure,44while44arteriosclerosis44results44from44high
44cholesterol44levels.

B) Atherosclerosis44involves44plaque44buildup44that44obstructs44blood44flow,44while44arteriosclerosis44
refers44to44the44hardening44of44arteries.




Which44of44the44following44describes44bradycardia?
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