0.2mL of the morphine
Explanation:
Given:
Quantity of morphine = 2.0mg
A vial contain = 10mg per 1 cm³
Unknown:
volume of morphine to administer in mL = ?
Solution:
To solve this problem, let us carefully analyzed it:
A vial of morphine = 10mg per 1 cm³
In 1 cm³ of morphine vial we have 10mg of the sample
Note that 1cm³ = 1mL
we can rightly conclude that;
1cm³ of the vial = 1mL of morphine in the vial = 10mg
since:
10mg of morphine is in 1mL of the vial;
2mg of morphine would be contained in = 0.2mL of the vial
Therefore, 0.2mL of the morphine should be administered.
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