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Reference Intervals

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

pH RI and CRIT

Back (Answer)

7.35 - 7.45 <7.20 >7.60

#2
Front (Question)

3 glucose metabolism pathways

Back (Answer)

• Aerobic glycolysis • Hexose monophosphate shunt (pentose phosphate pathway) • Glycogen formation

#3
Front (Question)

Fasting glucose RI

Back (Answer)

3.6-5.5 mmol/L

#4
Front (Question)

Bicarbonate RI

Back (Answer)

22 - 31 mmol/L

#5
Front (Question)

Osmolal gap RI

Back (Answer)

<= 10 mmol/kg

#6
Front (Question)

Potassium CRIT

Back (Answer)

<3.0 mmol/L >5.9 mmol/L

#7
Front (Question)

2 hr OGTT diabetes

Back (Answer)

Fasting >= 7.0 2 hr >= 11.1

#8
Front (Question)

Sodium CRIT

Back (Answer)

<125 mmol/L >155 mmol/L

#9
Front (Question)

% O2 saturation RI and CRIT

Back (Answer)

> 95% No critical value

#10
Front (Question)

Random glucose RI

Back (Answer)

3.6 - 11.0 mmol/L

#11
Front (Question)

Bicarbonate CRIT

Back (Answer)

<10 mmol/L >40 mmol/L

#12
Front (Question)

Potassium RI

Back (Answer)

3.5 - 5.0 mmol/L

#13
Front (Question)

Glucose renal threshold

Back (Answer)

8.8 - 10.0 Higher in DM Lower in pregnancy

#14
Front (Question)

Urine osmolality RI

Back (Answer)

50 - 1200 mmol/kg

#15
Front (Question)

Chloride RI

Back (Answer)

95 - 107 mmol/L

#16
Front (Question)

Serum osmolality RI

Back (Answer)

275 295 mmol/kg

#17
Front (Question)

pO2 RI and CRIT

Back (Answer)

80 - 100 mmHg <50

#18
Front (Question)

Anion gap RI

Back (Answer)

7 - 16 mmol/L

#19
Front (Question)

Sodium RI

Back (Answer)

135 - 145 mmol/L

#20
Front (Question)

Fasting glucose indicative of diabetes

Back (Answer)

> = 7.0 mmol/L

#21
Front (Question)

2 hr OGTT pre-diabetes

Back (Answer)

Fasting 6.1 - 6.9 2 hr 7.8 - 11.0

#22
Front (Question)

Panic values for serum osmolality

Back (Answer)

<240 mmol/kg >321 mmol/kg

#23
Front (Question)

Chloride CRIT

Back (Answer)

NONE

#24
Front (Question)

Random glucose indicative of diabetes

Back (Answer)

> = 11.1 mmol/L