Question

a nurse has chlorpromazine for injection that contains 10 mg per 2 ml he must give a patient 0.025 grams. how many ml should he give the patient

Answer 1

Our data are the following

1. We have an injection that contains 10 mg/ 2ml.

We want to know how many ml should he give if the nurse must give a patient 0.015 gr.

for this purpose we proceed with the so-called rule of 3:

So, we resolve the above rule to x ml, that is:

x ml = (0.025 mg x 2ml ) ÷ 10 mg ,

the above is equivalent to say

x ml = ( 0.05 ml ) ÷ 10 = 0.005 ml

So, we can conclude that

the ml should he give the patient is 0.005 ml