A patient is to be given 12 units of insulin. If 1 ml of solution contains 40 units, how much insulin is to be given in ml?

Correct option is C

Ans (c)
Sol. Explanation: To calculate the volume of insulin to be given, we use the formula:
Volume (ml)=Required units​/ Units per ml
Substitute the given values: Volume (ml)=12 units40 units/ml ​=0.3 ml
Thus, the patient should be given 0.3 ml of insulin.