The label on a 2 gram vial of cefotaxime sodium powder for reconstitution reads, "Reconstitute with 50 mL of normal saline." After reconstitution with the 50 mL of normal saline, how many mg will each mL contain? (Enter numeric value only.)
The Correct Answer is ["40"]
Given:
Vial strength: Cefotaxime 2 grams (2000 mg)
Volume of diluent: 50 mL of normal saline
Step 1: Calculate the concentration of Cefotaxime in the reconstituted solution:
Concentration (mg/mL) = Total amount of Cefotaxime (mg) / Total volume of solution (mL)
Concentration (mg/mL) = 2000 mg / 50 mL
Concentration (mg/mL) = 40 mg/mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["133"]
Explanation
Given:
Prescribed dose: 1.5 oz
Number of doses administered: 3 times
Step 1: Convert ounces to milliliters:
1 ounce (oz) = 29.5735 mL
Prescribed dose in mL = 1.5 oz x 29.5735 mL/oz = 44.36025 mL
Step 2: Calculate the total volume ingested:
Total volume (mL) = Prescribed dose per dose (mL) x Number of doses
Total volume (mL) = 44.36025 mL/dose x 3 doses
Total volume (mL) = 133.08075 mL
Step 3: Round to the nearest whole number:
Total volume (mL) ≈ 133 mL
Correct Answer is ["8"]
Explanation
Given:
Ordered infusion rate: 320 units/hour
Concentration of Heparin: 20,000 units in 500 mL (40 units/mL)
Formula:
Infusion rate (mL/hr) = Infusion rate (units/hr) / Concentration (units/mL)
Step 1: Calculate the infusion rate in mL/hr:
Infusion rate (mL/hr) = 320 units/hr / 40 units/mL
Infusion rate (mL/hr) = 8 mL/hr
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