International System of Units (SI)
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Questions and Answers

What is the primary unit of volume in the SI system?

  • Decigram
  • Nanogram
  • Milliliter (correct)
  • Kilogram
  • What is the primary unit of weight in the SI system?

  • Pint
  • Microgram
  • Milligram (correct)
  • Deciliter
  • Which unit reflects the transition to the SI system due to its simplicity and clarity provided by base units?

  • Decigram
  • Fluidounce
  • Pint
  • Liter (correct)
  • What is the equivalent of 1 pint in fluid ounces?

    <p>16 fl. oz.</p> Signup and view all the answers

    Which instrument is commonly used for measuring small volumes in pharmacy practice?

    <p>Micropipettes</p> Signup and view all the answers

    What is the equivalent of 1 quart in fluid ounces?

    <p>32 fl. oz.</p> Signup and view all the answers

    What is the ratio expressed as when both the ingredient and vehicle are liquids?

    <p>Volume in volume (v/v)</p> Signup and view all the answers

    What is the component of a homogeneous mixture present in the greatest amount?

    <p>Solvent</p> Signup and view all the answers

    What does concentration express in the case of a solid ingredient in a liquid vehicle?

    <p>Weight in volume (w/v)</p> Signup and view all the answers

    What is the basis of the dosage form in pharmaceutics?

    <p>Solvent</p> Signup and view all the answers

    Study Notes

    Measurement Units in SI System

    • Primary unit of volume is the liter (L).
    • Primary unit of weight (mass) is the kilogram (kg).
    • The meter (m) reflects the transition to the SI system, showcasing simplicity and clarity through its base units.

    Fluid Volume Equivalents

    • 1 pint is equivalent to 16 fluid ounces.
    • 1 quart equals 32 fluid ounces.

    Measurement and Ratios

    • An emulsion or solution's ratio between ingredient and vehicle is expressed as a percentage (e.g., w/v, v/v).
    • The component of a homogeneous mixture present in the greatest amount is referred to as the solvent.

    Concentration and Dosage Forms

    • Concentration indicates the amount of solid ingredient dissolved in a liquid vehicle.
    • The basis of dosage forms in pharmaceutics is the formulation designed to deliver medication effectively to patients.

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    Description

    Test your knowledge of the International System of Units (SI) with this quiz by Rebin Sulaiman Abdullah, 2024 Lecturer at Kurdistan Technical Institute. The SI, formerly known as the metric system, is the internationally recognized decimal system of weights and measures. It is widely used in various industries and fields, including pharmaceutical research and manufacturing.

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