COMPREHENSIVE PRACTICE QUESTIONS AND
ANSWERS||GRANTEED PASS||LATEST UPDATE
What is the Normal pH?
Correct Answer: 7.35-7.45
What is the Normal CO2 ?
Correct Answer: 35-45
What is the Normal HCO3 ?
Correct Answer: 22-26 (good dating age)
What is the Normal PaO2 ?
Correct Answer: 80-100
What is the Normal SaO2 ?
Correct Answer: > 95%
,What is the Base (deficit/excess) ?
Correct Answer: (-2) - (+2)
What is the Buffer systems: Bicarb reaction time ?
Correct Answer: Seconds
Which is the Buffer systems: Lungs reaction time ?
Correct Answer: minutes
Which is the Buffer systems: Kidneys reaction time ?
Correct Answer: hours to days
Which is the Minute volume calculation ?
Correct Answer: Tidal volume x respiratory rate
What is the pCO2 >45 ?
Correct Answer: acidotic
What is the pCO2 <35 ?
Correct Answer: alkalotic
,What is the HCO3 <22 ?
Correct Answer: acidotic
What is the HCO3 >26 ?
Correct Answer: Alkalotic
What is the base deficit of < -4 ?
Correct Answer: indicator for the potential need for blood transfusion
What is the base deficit of < -19 ?
Correct Answer: indicates poor outcome (death likely)
What is the base deficit replacement formula ?
Correct Answer: 0.1 x (-BE) x patient weight in kg = bicarb needed
What is the PO2 of 60 is roughly equivalent to a SaO2 of ?
Correct Answer: 90%
What is the critical pH for intubation ?
Correct Answer: < 7.2
, What is the critical pCO2 for intubation ?
Correct Answer: > 55
What is the critical pO2 for intubation ?
Correct Answer: < 60
What is the number one cause of metabolic acidosis ?
Correct Answer: lactic acidosis (lactate > 4)
What is the CO2 is a byproduct of ?
Correct Answer: metabolism
for every __ change in ETCO2, you should expect the pH to change __ in the ___________
direction.
Correct Answer: 10, 0.08, opposite
for every __ change in pH, you should expect the HCO3 to change __ in the ___________
direction.
Correct Answer: 0.15, 10, same
for every __ change in pH, you should expect the potassium to change __ in the ___________
direction.
Correct Answer: 0.10, 0.6, opposite