A patient’s phenytoin concentration is 16 mg/L with albumin 20 g/L. Corrected phenytoin (Sheiner–Tozer) is:

A patient’s phenytoin concentration is 16 mg/L with albumin 20 g/L. Corrected phenytoin (Sheiner–Tozer) is:
A. 18.2 mg/L
B. 21.3 mg/L
C. 25.6 mg/L
D. 30.2 mg/L

Which equation best describes a first-order elimination rate constant (k)?
A. k = Dose / Clearance
B. k = 0.693 / t½
C. k = Clearance / Vd
D. B and C