A nurse is preparing to administer isoniazid 187 mg IM. Available is isoniazid injection 100 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Here’s the calculation for your reference: To find out how many mL the nurse should administer, we can use the formula: Volume to administer= Dose required​/Concentration available Substituting the given values: Volume to administer=187mg​/100mg/mL =1.87mL However, the question asks to round the answer to the nearest tenth. So, the nurse should administer 1.9 mL of Isoniazid