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Untitled Quiz

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Questions and Answers

What is one disadvantage associated with solutions compared to tablets and capsules?

  • They are easier to swallow.
  • They require precise measuring devices for dosing. (correct)
  • They provide a rapid onset of action.
  • They deliver a uniform dose.

    • Why is water often considered the ideal solvent in pharmaceutical products?

  • It contains a high level of impurities.
  • It is able to dissolve a limited range of materials.
  • It exhibits physiological compatibility. (correct)
  • It has high toxicity.

    • Which of the following is true about aqueous solvents?

  • They dissolve a limited range of drugs.
  • They can promote the growth of microorganisms. (correct)
  • They have a higher toxicity potential.
  • They are less stable than non-aqueous solvents.

    • What is a benefit of using solutions over other dosage forms?

    <p>They provide a faster action than tablets.</p> Signup and view all the answers

    Which type of water has fewer solid impurities and is generally used in pharmaceuticals?

    <p>Purified water</p> Signup and view all the answers

    What is a common characteristic of drugs formulated in aqueous solutions?

    <p>They are homogeneous and require no shaking.</p> Signup and view all the answers

    What must be done to ensure that medication from a liquid form is taken accurately?

    <p>Use an accurate measuring device.</p> Signup and view all the answers

    What is a major drawback of solutions containing certain drugs, like KCl?

    <p>They are poorly stable.</p> Signup and view all the answers

    How does the pH of a solution affect the solubility of a weak acid?

    <p>Higher pH increases the solubility of weak acids.</p> Signup and view all the answers

    Which of the following is a property of a surface active agent (SAA) used in solubilization?

    <p>Should be non-toxic and non-irritant.</p> Signup and view all the answers

    What is complexation in the context of drug solubility?

    <p>The interaction between a poorly soluble drug and a soluble material.</p> Signup and view all the answers

    What effect does decreasing particle size have on solubility?

    <p>Increases the surface area, thus increasing solubility.</p> Signup and view all the answers

    Which statement is true regarding the use of non-aqueous solvents?

    <p>They can help with poorly soluble or unstable drugs in aqueous solutions.</p> Signup and view all the answers

    What is one of the methods of preparing purified water?

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

    What is one of the key advantages of using alcohol as a solvent in pharmacy?

    <p>It possesses better solubility properties next to water.</p> Signup and view all the answers

    Which of the following affects the activity of preservatives in a formulation?

    <p>The degree of ionization due to pH.</p> Signup and view all the answers

    Which type of resin is used in the ion exchange process to remove cations from water?

    <p>Cation resin</p> Signup and view all the answers

    What should be done with the first and last portions of distillate in the distillation process?

    <p>Discard both due to impurities</p> Signup and view all the answers

    What is hydrotropy?

    <p>The increase in aqueous solubility by additives.</p> Signup and view all the answers

    What is a potential consequence of using water that is not highly pure for pharmaceutical preparations?

    <p>Chemical incompatibilities</p> Signup and view all the answers

    Which advantage is associated with the ion exchange method of water purification?

    <p>Does not require heat</p> Signup and view all the answers

    In reverse osmosis, what do we call the water that has passed through the filter membrane?

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

    What type of exchange do cation exchange resins perform?

    <p>Exchange of cations for hydrogen ions</p> Signup and view all the answers

    Why is distilled water not considered sterile?

    <p>It is exposed to air during cooling</p> Signup and view all the answers

    What characterizes colloids?

    <p>Finely divided particles smaller than 1 µm dispersed in a medium</p> Signup and view all the answers

    Which type of solution is specifically for use in the ears?

    <p>Otic solution</p> Signup and view all the answers

    Which of the following best describes a syrup?

    <p>An aqueous solution containing a sugar</p> Signup and view all the answers

    What is the main characteristic of emulsions?

    <p>Two-phase systems of liquid particles within another liquid</p> Signup and view all the answers

    In what way are non-aqueous solutions different from aqueous solutions?

    <p>They use solvents other than water</p> Signup and view all the answers

    What is true about tinctures?

    <p>They are alcoholic solutions derived from plant materials</p> Signup and view all the answers

    How are spirits classified?

    <p>As solutions containing volatile substances in spirits</p> Signup and view all the answers

    Which is NOT an advantage of solutions?

    <p>Long shelf life compared to other forms</p> Signup and view all the answers

    What property allows alcohol to be used as a primary solvent for many organic compounds?

    <p>Multiple solvent capabilities</p> Signup and view all the answers

    What is the percentage range of C2H5OH in Alcohol, USP?

    <p>94.9% to 96.0%</p> Signup and view all the answers

    What happens to the volume when mixing equal parts of Alcohol and Purified Water?

    <p>Volume decreases by 3%</p> Signup and view all the answers

    Which of the following is a characteristic of Glycerin?

    <p>It is a viscous liquid with preservative qualities</p> Signup and view all the answers

    How does Isopropyl Rubbing Alcohol differ from Ethyl Rubbing Alcohol in terms of composition?

    <p>It contains isopropyl alcohol instead of ethyl alcohol</p> Signup and view all the answers

    What is the main use of Rubbing Alcohol at 70% concentration?

    <p>Topical antiseptic</p> Signup and view all the answers

    What is a disadvantage of using Alcohol as a solvent for oral products?

    <p>Undesired pharmacologic effects</p> Signup and view all the answers

    Which statement is true about Propylene Glycol?

    <p>It is commonly used as a drug solubilizer</p> Signup and view all the answers

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