At what time should the blood be drawn in relation to the administration of the I.V. dose of gentamicin sulfate (Garamycin)?
a) 2 hours before the administration of the next I.V. dose.
b) 4 hours before the administration of the next I.V. dose.
c) 3 hours before the administration of the next I.V. dose.
d) Just before the administration of the next I.V. dose.
Ans: a) 2 hours before the administration of the next I.V. dose.
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