Question

Order: Xanax (alprazolam) 1.5 mg po t.i.d. How many 0.5 mg tablets of this antianxiety drug will you administer to the client who suffers from panic attacks?

Order: potassium chloride 80 mEq po in two divided doses daily. The concentration of the potassium chloride is 40 mEq/15 mL. How many milliliters of this electrolytic replacement solution will you administer to the client who has hypokalemia?

Order: Xyrem (sodium oxybate) 2.25 g po given at bedtime while in bed and repeat 4 hours later. How many milliliters of this central nervous system depressant will you administer to the client who has cataplexy if the strength of the Xyrem solution is 500 mg/mL?

A drug is ordered 200 mg/m2 po b.i.d. How many mL will a client receive if her BSA is 1.34 m2 and the concentration of the solution is 5 mg/mL?

Answer 1

1.

Order: Xanax (alprazolam) 1.5 mg po t.i.d.

Then the nurse will administer

$1.5mg\div 0.5mg/tab=3 tab$

Answer - 3 tablets of this antianxiety drug nurse will administer to the client who suffers from panic attacks.

2.

Order: potassium chloride 80 mEq PO in two divided doses daily.

Then you have to administer 40meq per dose.

The concentration of the potassium chloride is 40 mEq/15 mL.

Answer - 15 milliliters of this electrolytic replacement solution nurse will administer to the client who has hypokalemia.

3.

Order: Xyrem (sodium oxybate) 2.25 g PO given at bedtime while in bed and repeat 4 hours later.

strength of the Xyrem solution is 500 mg/mL

2.25g = 2250 mg

So,

$2,250 mg\div 500mg/ml=4.5ml$

Answer - 4.5 milliliters of this central nervous system depressant nurse will administer to the client who has cataplexy.

4.

Drug is ordered 200 mg/m2 PO b.i.d

Patients BSA is 1.34 m2

So, desire dose is

$200 mg/m2\times 1.34 m2=268 mg$

the concentration of the solution is 5 mg/mL.

Then

$268 mg\div 5mg/ml=53.6ml$

Answer -The client will receive 53.6 ml