Module 3.1: Pharmaceutical Calculation Pretest

10 Questions

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Module Quizzes & Trivia

Questions and Answers
  • 1. 
    1. How many milliliter of U-100 insulin should be used to obtain 50 units of insulin?
    • A. 

      5 mL

    • B. 

      50 mL

    • C. 

      0.5 mL

    • D. 

      500 mL

  • 2. 
    2. How many drops would be prescribed in each dose of a liquid medicine if 20 mL contained 60 doses? The dispensing dropper calibrates 35 gtts per mL.
    • A. 

      12 gtts

    • B. 

      15 gtts

    • C. 

      8 gtts

    • D. 

      23 gtts

  • 3. 
    3. How many milligrams of a drug will be needed to prepare 74 dosage forms if each is to contain 1/10 grain?
    • A. 

      A. 58 mg

    • B. 

      B. 480 mg

    • C. 

      C. 4800 mg

    • D. 

      D. 4.8mg

  • 4. 
    4. If a pint of a certain liquid weighs 9200 grains, what is the specific gravity of the liquid?  
    • A. 

      A. 1.0

    • B. 

      B. 1.32

    • C. 

      C. 1.276

    • D. 

      D. 1.26

  • 5. 
    5. How many grams of dextrose are required to prepare 4500 L of a 5% solution?
    • A. 

      A. 80,000 g

    • B. 

      B. 225,000g

    • C. 

      C. 4 f3

    • D. 

      D. 8 f3

  • 6. 
    6. How many grams of a drug substance should be dissolved in 250 mL of water to make a 5% (w/w) solution?
    • A. 

      A. 9.6 g

    • B. 

      B. 13.16 g

    • C. 

      C. 60 g

    • D. 

      D. 10 g

  • 7. 
    7. Convert 5% to mg/mL:
    • A. 

      A. 50 mg/mL

    • B. 

      B. 500 mg/mL

    • C. 

      C. 5000 mg/mL

    • D. 

      D. 5 mg/mL

  • 8. 
     8. In what proportion should alcohols of 90% and 50% strengths should be mixed to make 70% alcohol?
    • A. 

      A. 3 parts / 5 parts

    • B. 

      B. 1 part / 1 part

    • C. 

      C. 5 parts / 4 parts

    • D. 

      D. 4 parts / 5 parts

  • 9. 
    • A. 

      A. 1000 mL (sp gr 0.950) 500 mL (sp gr 0.875)

    • B. 

      B. 2250 mL (sp gr 0.950) 1125 mL (sp gr 0.875)

    • C. 

      C. 500 mL (sp gr 0.950) 1000 mL (sp gr 0.875)

    • D. 

      D. 1125 mL (sp gr 0.950) 2250 mL (spgr 0.875)

  • 10. 
    10. Zinc chloride is a three-ion electrolyte, dissociating 80% in a certain concentration. Calculate its dissociation factor (I):
    • A. 

      A. 2.6

    • B. 

      B. 1.6

    • C. 

      C. 2.9

    • D. 

      D. 3