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2024 BARRON'S CCRN EXAM WITH CORRECT ANSWERS   $16.99   Add to cart

Exam (elaborations)

2024 BARRON'S CCRN EXAM WITH CORRECT ANSWERS  

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  • Course
  • BARRON\'S CCRN
  • Institution
  • BARRON\'S CCRN

2024 BARRON'S CCRN EXAM WITH CORRECT ANSWERS  

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  • September 15, 2024
  • 18
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • what causes the s3 sound
  • BARRON'S CCRN
  • BARRON'S CCRN
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2024 BARRON'S CCRN EXAM WITH
CORRECT ANSWERS



What is the primary hemodynamic effect of:
Morphine

(A) Increase preload

(B) Decrease preload

(C) Increase afterload

(D) Decreased afterload

(E) Increase contractility

(F) Decrease contractility - CORRECT-ANSWERS(B) Decrease preload

dilates venous bed, can be used to tx heart failure

Septic shock hemodynamic indicators:

SVR: high or low?

CI: high or low?

SVO2: high or low? - CORRECT-ANSWERSSVR: low <700

CI: high >4

SVO2: high, >80%

A LOW CVP (<2) indicates

A high CVP (>6) indicates - CORRECT-ANSWERShypovolemia

Hypervolemia

Heart failure:

High or low:

,afterload

preload - CORRECT-ANSWERSboth high

dobutamine may help treat by increasing contractility

Septic shock

High or low:

afterload

preload - CORRECT-ANSWERSboth low



What is the primary hemodynamic effect of:

Dopamine >10 mcg/kg/min

(A) Increase preload

(B) Decrease preload

(C) Increase afterload

(D) Decreased afterload

(E) Increase contractility

(D) Decrease contractility - CORRECT-ANSWERS"high dose" dopamine causes
vasoconstriction and

(C) Increase afterload

What causes the S3 sound? - CORRECT-ANSWERSPulmonary HTN and cor
pulmonale;

Mitral, aortic, or tricuspid insufficiency

When are coronary arteries perfused? - CORRECT-ANSWERSduring diastole

What may you hear before crackles when a patient is going into heart
failure? - CORRECT-ANSWERSS3 heart sound

, What is this called?

Unstable angina with transient ST segment elevation

Can occur at rest or may be cyclic (occurring at the same time daily)

troponin negative

Can be precipitated by nicotine, coke, or ETOH - CORRECT-ANSWERSVariant
or Prinzmetal's Angina

There are changes in leads II, III, aVF....what type of MI? - CORRECT-
ANSWERSRCA, inferior LV

There are changes in leads V1, V3 V3, V4 - CORRECT-ANSWERSLAD, anterior
LV

There are changes in leads V5, V6, I, aVL - CORRECT-ANSWERScircumflex,
lateral LV

There are changes in leads V5, V6 - CORRECT-ANSWERSLow lateral LB

There are changes in leads I aVL - CORRECT-ANSWERShigh lateral LB

There are changes in leads V1 and V2 - CORRECT-ANSWERSRCA, posterior LV

There are changes in leads V3R, V4R - CORRECT-ANSWERSRCA, right
ventricular infarct

What are some signs of reperfusion following fibrinolytic treatment of a
STEMI? - CORRECT-ANSWERSMarked ELEVATION of troponin/CK-MB: due to
miocardial stunning when vessel opens

reperfusion arrhythmias: VT, Vfib, accelerated idioventricular rhythm (due to
stunning)

resolution of ST segment deviations

Chest pain relief

Your patient just had a percutaneous coronary intervention (PCI) (stenting)
less than 24 hours ago:

He is experiencing unrelenting chest pain, his EKG shows ST elevation. What
should you do? What could be happening? - CORRECT-ANSWERScontact the
physician. Could be coronary artery re-occlusion/stent thrombosis.

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