Using 25 μL of serum, how much diluent would be needed to create a 1:2 dilution? ______ μL
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Using 25 μL of serum, how much diluent would be needed to create a 1:2 dilution? ______ μL
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- The physician has ordered 500,00 units of IV Pfizerpen every 4 hours. How much diluent will you add for a concentration of 500,000 units/mL? How many milliliters will you administer?In the spread plate method, why is the volume plated usually limited to not more than 0.1 mL?When conducting a flame test for sodium iodide, is the result positive or negative?
- Using 25 uL of a patient's serum, how much diluent would be needed to create a 1:2 dilution? ______ ulIf the 1-mL sample had been added to 99 mL of diluent to make the first dilution (instead of 9 mL), how many cells would be in that particular dilution?How would you perform a 100-fold dilution, if you want the final volume to be 15mL? What volume of sample and volume of dilute would be used?
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- If a pharmacist added each of the following to 22-g packages of 2% mupirocin ointment, what would be the percentage strengths of the resulting ointments: (a) 0.25 g mupirocin powder and (b) 0.25 g of nonmedicated ointment base? (answer to two decimal places). answers: (a) 3.10% w/w (b) 1.98% w/wwhat is the effect and rationale when three milliliters instead of 1 mL was placed in the Petri dish in pour-plate method?Order: streptomycin 500 mg IM daily for 8 days. If you have vials of this antibiotic that are labeled as 1 g/2.5 mL, how many milliliters would you administer?