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Exam (elaborations)

CEN CERTIFIED EMERGENCY NURSE EXAM 2026 140+ COMPLETE EXAM QUESTIONS AND ANSWERS 100% VERIFIED A+ GRADE ASSURED!!!!! NEW LATEST UPDATE!!!!

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Course CEN CERTIFIED EMERGENCY NURSE
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CEN CERTIFIED EMERGENCY NURSE EXAM 2026 140+ COMPLETE EXAM QUESTIONS AND ANSWERS 100% VERIFIED A+ GRADE ASSURED!!!!! NEW LATEST UPDATE!!!!

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FINAL EXAMINATION PAPER dd dd




CEN CERTIFIED EMERGENCY NURSE EXAM QUESTIONS ANSWERS
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STUDENT NAME: ________________________________
dd dd DATE: _____________ dd




COURSE: CERTIFIED EMERGENCY NURSE EXAM
dd dd dd dd TIME: _____________ dd




EXAM CODE: CEN CERTIFIED EMERGENCY NURSE EXA
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M QUESTIONS ANSWERS-101
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EXAM INSTRUCTIONS:dd



1. Print your full name and date clearly in the header above.
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2. This exam booklet contains both Test Questions (Part I) and Verified Solutions (Part II).
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3. Answer all multiple-choice questions clearly. Double-check your work.
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4. Do not break the seal or open this booklet until instructed to do so by the proctor.
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Q1. Term
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[Verified Solution]: Definition dd dddd




Q2. Atrioventricular valves
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[Verified Solution]: Tricuspid and mitral valves located between the atria and ventricle and cause S1 (
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first) heart sounds when the close.
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Q3. Semilunar valves
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[Verified Solution]: Aortic and pulmonic valves located between ventricles and great vessels and caus
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e the S2 (second) heart sound when they close.
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Q4. Blood flows through the cardiac valves in this order:
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[Verified Solution]: tricuspid -> pulmonic -> mitral -> aortic
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Q5. The cardiac wall has 3 layers:
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[Verified Solution]: epicardium, myocardium, and endocardium
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Q6. The pericardiuim is
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[Verified Solution]: the sac surrounding the heart
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,Q7. The pericardium is divided into two layers:
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[Verified Solution]: the fibrous pericardium and serous pericardium
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Q8. Stroke volume is
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[Verified Solution]: the volume of blood pumped from the left ventricle during one contraction
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Q9. Stroke volume depends on
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[Verified Solution]: Preload, afterload, and contractility
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Q10. Preload
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[Verified Solution]: how much the ventricles stretch at the end of diastole
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Q11. Afterload
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[Verified Solution]: the amount of resistance needed for the heart to open the aortic valve and force bl
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ood volume into circulation
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Q12. Contractility
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[Verified Solution]: the force of the heart, independent of preload and afterload
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Q13. Normal stroke volume is ____ mL per contraction
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[Verified Solution]: 60-130 mL
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Q14. Heart rate
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[Verified Solution]: how many times the ventricles contract each minute
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Q15. Cardiac output is
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[Verified Solution]: the volume of blood that the heart pumps every minute
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, Q16. To calculate cardiac output (CO):
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[Verified Solution]: Multiply stroke volume (SV) by heart rate (HR)
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Q17. Normal cardiac output (CO) is
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[Verified Solution]: 4 - 8 L/min
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Q18. Central venous pressure (CVP) is
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[Verified Solution]: the blood pressure in the vena cava
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Q19. Normal central venous pressure is:
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[Verified Solution]: 2 - 6 mmHg
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Q20. Mean arterial pressure (MAP) is
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[Verified Solution]: the average pressure within the arteries during a single cardiac cycle
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Q21. Calculate the mean arterial pressure (MAP) by
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[Verified Solution]: multiplying the diastolic blood pressure (DBP) by 2, adding the sum of the systoli
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c blood pressure (SBP), and then dividing by 3
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Q22. As compared to blood pressure alone, mean arterial pressure (MAP) is:
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[Verified Solution]: the most accurate indicator of perfusion
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Q23. Pulse pressure is
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[Verified Solution]: the difference between the systolic pressure and diastolic pressure
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Q24. P wave represents:
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[Verified Solution]: atrial depolarization
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