1. Answer.
10000 units/ml= 1ml
1ml= 10000 units
0.1ml= 1000 ( 1/10 th part)
Dose= needed dose/ available dose× 10000(units)
= 0.8 ml/ 1ml × 10000
= 0.8× 10000= 8000 units .
So, 8000units /ml will be administered to the patient.
2.Answer.
2ml = 100 mg
1ml= 100/2= 50 mg,
Dose= needed dose/ available dose× 100
= 0.5ml/2ml×100,
= 25 mg
So, 0.5 ml of dilantin contains 25mg of drugs.
3.Answer.
Prescribed dose is 5mg/ kg
That means each 1 kg of body weight should get 5mg of drug.
Availability is ,
1 gram = 2ml
1gram = 1000 mg ( as it has to be administered in milligram)
Weight is 145 pounds.= 65.771 kgs
If 1kg = 5mg
Then, 65.771 kg ×5 mg= 328.855mg ,
Dose =needed dose/ available dose× dilution (ml)
= 328.855mg/1000 mg× 2ml
= 0.65771 ml drug is needed .
4. Answer
Patient needs 5000 units of heparin
Availability is 20000 units / ml
So, 1ml = 20000 units ,
Dose = needed dose/ available dose× dilution (ml)
= 5000/ 20000× 1(ml)
= 1/4 = 0.25 ml of heparin is needed .
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