Pharmacy Math
Incompatibilities
Parenteral Preparations
100

How much does a person weigh in kilograms (kg) if they weigh 145 lb? Provide your answer rounded to the nearest tenth decimal.

What is 65.9 kilograms (kg)?

100

What are the main two types of reactions that can occur with IV incompatibilities?

What is physical and chemical?

100

A medication order calls for 40mg of Furosemide in 100mL IV solution. Furosemide is supplied in 20mg/2mL vials. What will be the total volume of the preparation?

What is 104 mL?

200

What is the Ideal Body Weight for a 45-year old female patient weighing 156 lb (height 5 ft 4 in).

What is 54.7 kilograms (kg)?

200

What is the name of the pharmacy resource within Micromedex and LexiComp that provides information about IV incompatibilities?

What is Trissel's IV compatibility?

200

A medication order calls for 40mg of Furosemide in 250mL IV solution. Furosemide is supplied in 20mg/2mL vials. Directions state to remove an equal amount of IV solution (equal to the drug volume) from the IV bag prior to transferring the drug. What will be the total volume of the preparation?

What is 250 mL?

300

What is the Adjusted Body Weight for a 35-year old male patient weighing 167 lb (height 165.1 cm)? Provide your answer rounded to the nearest tenth decimal.

What is 67.3 kilograms (kg)?

300

What is the name of the process by which medications do not stay in solution or suspension, but attach to the medication container composed of PVC ?

What is adsorption?

300

Per LexiComp, what is the recommended diluent and diluent volume to reconstitute a 500 mg vial of Ampicillin powder for IV injection?

What is 5 mL of SWFI or bacteriostatic WFI?

400

What is the infusion rate (mL/hr) for vancomycin 1250mg/500mL for a 154lb patient receiving 5mcg/kg/min? Provide your answer rounded to the nearest tenth decimal.

What is 8.4 mL/hr?

400

Is Amphotericin B (conventional) compatible with: 

(A) D5W/NS

(B) D10W, or 

(C) Both D5W/NS & D10W?

What is (B) D10W?

400

What is the recommended volume (mL) of diluent to reconstitute a 2 gram (IV) vial of Maxipime (cefepime) powder for injection.

What is 10 mL?

500

What is the final percent concentration obtained by mixing 400 mL of 20% dextrose with 100 mL of 10% dextrose? Provide your answer rounded to the nearest whole number.

What is 18%?

500

Dr. Olivier provided several reasons you may need to perform a drug incompatibility search in practice. Provide one of those reasons.

What is shortages?; administer 2 drugs simultaneously in the same IV-line? (Will accept "drug information" request)

500

An order calls for 1250 mg IV Vancomycin in 500 mL D5W. You have in stock the 1.5g vials. You reconstitute the powder with SWFI. What volume (mL) of reconstituted drug will you need to prepare the order?

What is 25 mL?

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