Question

Doctor's order :colace syrup 100 mg by jejunostomy tube t.i.d Available :colace 20 mg per 5ml

2)--Doctors order "Ascorbic acid ig by nasogastric tube bid, available ascorbic acid 500 mg =10ml

3)---Doctor"s order Kaon chloride 40 mEq po . d Available Potassium oral solution 40 mEq=15ml

4)=- Doctors order Theophylline Elixir 120 mg p.o.b.i d , Available Elixir 80 mg /15ml

5)--- Doctors order Erythromycin oral suspension 250 mg available errythromycin suspension use label below to determine hoew much solution is needed to administer the dose

Answer 1

1) prescribed dose - COLAC SYRUP 100MG need to give

available dose - 20 mg in 5 ml

how much ml can administer ?

desired dose /amount in hand X quantity

100mg/20 mg X5 ML=25ML ( 100/20 =5 Then    5 X 5=25)

ANSWER is   25 ml colac syrup ( MIX SYRUP IN once glass or 6 -8 OZ OF MILK OR JUICE)

2) ASCORBIC ACID(VITAMIN C )SOLUTION

AVAILABLE IS 500 Mg -10 ml

if docter order for 1 gam

1 gm =to 1000 mg

so,desired dose/amount in hand XQuantity

1000mg / 500 mg x 10 = 20 ML {1000/500 = 2 THEN 2X10 =20)

SO,ANSWER IS 20 ML

3) kaon chloride available 40 meq =15 ml

docter order-40meq

answer is 15 ml bacause available dose and docter ordered is same

to avoid stomach up set mix potassium with a glass of cold water or juice (4 to 8 ounce)

4) desired dose (prescribed ) - theophyllin elixir 120 mg

available dose -80mg /15 ml

desired dose/available X quantity

120 mg /80 mg X15 ml= 22.5 ml

answer is 22.5 ml