NURS EXAM zm
Exam Solution
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CERTIFIED EMERGENCY NURSE EXAM 2026 A+ GRADE zm zm zm zm zm zm zm
ASSURED COMPLETE SOLUTIONS AND VERIFIED ANSW
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ERS (BFC31) zm
QUESTION 1 zm
Term
ANSWER
Definition
QUESTION 2 zm
Atrioventricular valves zm
ANSWER
Tricuspid and mitral valves located between the atria and ventricle and cause S1 (first) heart sound
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s when the close.
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QUESTION 3 zm
Semilunar valves zm
ANSWER
Aortic and pulmonic valves located between ventricles and great vessels and cause the S2 (second)
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heart sound when they close.
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QUESTION 4 zm
Blood flows through the cardiac valves in this order:
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ANSWER
tricuspid -> pulmonic -> mitral -> aortic
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,QUESTION 5 zm
The cardiac wall has 3 layers:
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ANSWER
epicardium, myocardium, and endocardium
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QUESTION 6 zm
The pericardiuim is
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ANSWER
the sac surrounding the heart
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QUESTION 7 zm
The pericardium is divided into two layers:
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ANSWER
the fibrous pericardium and serous pericardium
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QUESTION 8 zm
Stroke volume is
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ANSWER
the volume of blood pumped from the left ventricle during one contraction
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QUESTION 9 zm
Stroke volume depends on
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ANSWER
Preload, afterload, and contractility
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QUESTION 10 zm
Preload
ANSWER
how much the ventricles stretch at the end of diastole
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, QUESTION 11 zm
Afterload
ANSWER
the amount of resistance needed for the heart to open the aortic valve and force blood volume into
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circulation
QUESTION 12 zm
Contractility
ANSWER
the force of the heart, independent of preload and afterload
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QUESTION 13 zm
Normal stroke volume is ____ mL per contraction
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ANSWER
60-130 mL zm
QUESTION 14 zm
Heart rate zm
ANSWER
how many times the ventricles contract each minute
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QUESTION 15 zm
Cardiac output is zm zm
ANSWER
the volume of blood that the heart pumps every minute
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QUESTION 16 zm
To calculate cardiac output (CO):
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ANSWER
Multiply stroke volume (SV) by heart rate (HR)
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Exam Solution
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CERTIFIED EMERGENCY NURSE EXAM 2026 A+ GRADE zm zm zm zm zm zm zm
ASSURED COMPLETE SOLUTIONS AND VERIFIED ANSW
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ERS (BFC31) zm
QUESTION 1 zm
Term
ANSWER
Definition
QUESTION 2 zm
Atrioventricular valves zm
ANSWER
Tricuspid and mitral valves located between the atria and ventricle and cause S1 (first) heart sound
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s when the close.
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QUESTION 3 zm
Semilunar valves zm
ANSWER
Aortic and pulmonic valves located between ventricles and great vessels and cause the S2 (second)
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heart sound when they close.
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QUESTION 4 zm
Blood flows through the cardiac valves in this order:
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ANSWER
tricuspid -> pulmonic -> mitral -> aortic
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,QUESTION 5 zm
The cardiac wall has 3 layers:
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ANSWER
epicardium, myocardium, and endocardium
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QUESTION 6 zm
The pericardiuim is
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ANSWER
the sac surrounding the heart
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QUESTION 7 zm
The pericardium is divided into two layers:
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ANSWER
the fibrous pericardium and serous pericardium
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QUESTION 8 zm
Stroke volume is
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ANSWER
the volume of blood pumped from the left ventricle during one contraction
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QUESTION 9 zm
Stroke volume depends on
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ANSWER
Preload, afterload, and contractility
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QUESTION 10 zm
Preload
ANSWER
how much the ventricles stretch at the end of diastole
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, QUESTION 11 zm
Afterload
ANSWER
the amount of resistance needed for the heart to open the aortic valve and force blood volume into
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circulation
QUESTION 12 zm
Contractility
ANSWER
the force of the heart, independent of preload and afterload
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QUESTION 13 zm
Normal stroke volume is ____ mL per contraction
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ANSWER
60-130 mL zm
QUESTION 14 zm
Heart rate zm
ANSWER
how many times the ventricles contract each minute
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QUESTION 15 zm
Cardiac output is zm zm
ANSWER
the volume of blood that the heart pumps every minute
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QUESTION 16 zm
To calculate cardiac output (CO):
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ANSWER
Multiply stroke volume (SV) by heart rate (HR)
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