[font=fixedsys]hi everyone please can u help me
[font=fixedsys]were having a medications calculations exam on monday- tomorrow and i was just wondering if u could share ur light on this question please? i think it is right but 3 other people in my class got different answers to me! it seems easy but maybe im missing something.
[font=fixedsys]the question is
jenny aged 6 years is ordered phenergan 2mg per kg of her body weight. she weighs 20kg. stock strength in hand is 25mg/5ml. how many ml will you administer?
[font=fixedsys]i worked this out by 2 x 20 = 40
[font=fixedsys]40 x 5
[font=fixedsys]is this what you would do please help asap exam tomorrow
Oct 21, '07
I got the same thing as you.
20kg x 2mg/kg = 40 mg dose
40 mg ------ 25 mg
------- = ---------
x mL ------- 5 mL
200 = 25x
x = 8mL
sorry can't figure out how to make it look right without the dashes
Last edit by shock-me-sane on Oct 21, '07