Chemical Pathology

Question 1

Sodium Normal Value

Answer 1

135-145 mmol/L

Question 2

Potassium Normal Value

Answer 2

3.5-5 mmol/L

Question 3

Urea Normal Value

Answer 3

2.5-6.7 mmol/L

Question 4

Creatinine Normal Value

Answer 4

70-150 mmol/L

Question 5

Bicarbonate Normal Value

Answer 5

23-31 mmol/L

Question 6

A 70kg person contains 42L water . . .

Answer 6

• 2 thirds is intracellular (28L)
• 1 third is extracellular (14L) - a quarter is plasma and three quarters is interstitial fluid