Clinical Chemistry Calculations Exam Questions & Answers (Grade A+).docx

Clinical Chemistry Calculations Exam
Questions & Answers (Grade A+)
Molarity -
correct answer ✅mol solute/L of solution


Molality -
correct answer ✅mol solute/kg of solvent


Density -
correct answer ✅weight/volume


Specific gravity -
correct answer ✅mass of substance/mass of equal volume of
water
Can be used as the same as density


Equation for dilutions -
correct answer ✅CV=CV


Beer-lambert equation -
correct answer ✅A=ebC
(e=absorption characteristic; B = path length (cm); C= concentration
(M))

, Clinical Chemistry Calculations Exam
Questions & Answers (Grade A+)

Absorbance equation with transmittance -
correct answer ✅A = 2 - log(%T)


Percent transmittance -
correct answer ✅%T = (I/I0)x100
I = intensity of light leaving sample
I0 = intensity of light entering sample


Henderson Hasselbalch equation -
correct answer ✅pH = pKa + log ([A-]/[HA])


pH equation -
correct answer ✅pH = -log[H+]


Renal tests: Time urine testing -
correct answer ✅mg substance per collection time = ([substance
measured, mg/dL]x volume per collection time, mL) / 100 mL/dL


Renal tests: Clearance rate -
correct answer ✅C = (U/P)x V