CRITICAL CARE PARAME DIC

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CRITICAL CARE PARAME DIC

EXAM WITH COMPLETE

SOLUTIONS.

Question : Normal pH

CORRECT ANSWER : 7.35-7.45

Question : Normal CO2

CORRECT ANSWER : 35-45

Question : Normal HCO3

CORRECT ANSWER : 22-26 (good dating age)

Question : Normal PaO2

CORRECT ANSWER : 80-100

Question : Normal SaO2

CORRECT ANSWER : > 95%

Question : Base (deficit/excess)

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CORRECT ANSWER : (-2) - (+2)

Question : Buffer systems: Bicarb reaction time

CORRECT ANSWER : seconds

Question : Buffer systems: Lungs reaction time

CORRECT ANSWER : minutes

Question : Buffer systems: Kidneys reaction time

CORRECT ANSWER : hours to days

Question : Minute volume calculation

CORRECT ANSWER : Tidal volume x respiratory rate

Question : pCO2 >45

CORRECT ANSWER : acidotic

Question : pCO2 <35

CORRECT ANSWER : alkalotic

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Question : HCO3 <22

CORRECT ANSWER : acidotic

Question : HCO3 >26

CORRECT ANSWER : alkalotic

Question : base deficit of < -4

CORRECT ANSWER : indicator for the potential need

for blood transfusion

Question : base deficit of < -19

CORRECT ANSWER : indicates poor outcome (death

likely)

Question : base deficit replacement formula

CORRECT ANSWER : 0.1 x (-BE) x patient weight in

kg = bicarb needed

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Question : PO2 of 60 is roughly equivalent to a SaO2 of

CORRECT ANSWER : 90%

Question : critical pH for intubation

CORRECT ANSWER : < 7.2

Question : critical pCO2 for intubation

CORRECT ANSWER : > 55

Question : critical pO2 for intubation

CORRECT ANSWER : < 60

Question : number one cause of metabolic acidosis

CORRECT ANSWER : lactic acidosis (lactate > 4)

Question : CO2 is a byproduct of

CORRECT ANSWER : metabolism