CCRN normal values Exam 2025 Questions and Answers

CCRN normal values Exam 2025
Questions and Answers


CI - Cardiac Index - ANSWER-cardiac output that has been adjusted for the

individual's body size

2.5 - 3 L/min (cardiac output/body surface area)

CK - ANSWER-Creatine kinase = < 150

CO - Cardiac Output - ANSWER-the amount of blood pumped by the ventricles

each minute

4 - 6 L/min (stroke volume X heart rate)

CVP - ANSWER-Central venous pressure = 2-8 mmHg

EDV - ANSWER-end diastolic volume = 50-90 ml

EF - ANSWER-how much blood is pumped with each contraction in relation to

the volume of available blood

ejection fraction = 70% (stroke volume/end diastolic volume)

PaCO2 - ANSWER-partial pressure of CO2 in arterial blood




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, 35-45 mmHg

PAD - ANSWER-pulmonary artery diastolic pressure

5-12 mmHg

PaO2 - ANSWER-partial pressure of O2 in arterial blood

80-95 mmHg

PAS - ANSWER-pulmonary artery systolic pressure

16-24 mmHg

PCWP - ANSWER-mean pulmonary capillary wedge pressure

5-12 mmHg

PVR - ANSWER-pulmonary vascular resistance

120-200 dynes

1.5-2.5 mmHg

SaO2 - ANSWER-percentage of oxyhemoglobin saturation of arterial blood

96-100% (room air)

SI - ANSWER-stroke index

35-50 ml (stroke volume/body surface area)

SV - ANSWER-50-100 ml/beat (cardiac output/heart rate)




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