Powders MCQs - Pharmacy Freak

Powders MCQs

We have provided 60 MCQs on Pharmaceutical powders, Unit-2, 1st semester, Pharmaceutics, B. Pharm.

We have covered following Topics:

Powders: Definition, classification, advantages and disadvantages,Simple & compound powders – official preparations, dusting powders, effervescent, efflorescent and hygroscopic powders, eutectic mixtures, Geometric dilutions

MCQ on Pharmaceutical powders

Question 1: What is the definition of a powder?

  • A. A solid dosage form of medicament which is meant for internal or external use.
  • B. A mixture of finely divided drug and/or chemicals in a dry form.
  • C. A combination of two or more solid dosage forms.
  • D. A solid dosage form that is administered orally.

Answer: B. A mixture of finely divided drug and/or chemicals in a dry form.


Question 2: What are the advantages of powders?

  • A. Easy to administer
  • B. Rapid onset of action
  • C. Convenient to carry
  • D. Stable dosage form

Answer: All of the above


Question 3: What are the disadvantages of powders?

  • A. Difficult to dispense accurately
  • B. Can be bitter or unpleasant to taste
  • C. Hygroscopic and deliquescent drugs cannot be dispensed in powder form
  • D. Can be irritating to the lungs

Answer: All of the above


Question 4: What are the different types of powders?

  • A. Simple powders
  • B. Compound powders
  • C. Dusting powders
  • D. Effervescent powders
  • E. Efflorescent powders
  • F. Hygroscopic powders
  • G. Eutectic mixtures

Answer: All of the above


Question 5: What is a simple powder?

  • A. A powder that contains only one ingredient.
  • B. A powder that contains two or more ingredients.
  • C. A powder that is used for internal administration.
  • D. A powder that is used for external administration.

Answer: A. A powder that contains only one ingredient.


Question 6: What is a compound powder?

  • A. A powder that contains two or more ingredients.
  • B. A powder that is used for internal administration.
  • C. A powder that is used for external administration.
  • D. A powder that is dispensed in bulk.

Answer: A. A powder that contains two or more ingredients.


Question 7: What is a dusting powder?

  • A. A powder that is used for external application to the skin.
  • B. A powder that is used to absorb moisture and reduce friction.
  • C. A powder that is used to protect the skin from irritation.
  • D. A powder that is used to deliver medication to the skin.

Answer: All of the above


Question 8: What is an effervescent powder?

  • A. A powder that contains two or more ingredients that react when mixed with water to produce carbon dioxide gas.
  • B. A powder that is used to relieve heartburn and indigestion.
  • C. A powder that is used to cleanse the colon.
  • D. A powder that is used to promote hydration.

Answer: A. A powder that contains two or more ingredients that react when mixed with water to produce carbon dioxide gas.


Question 9: What is an efflorescent powder?

  • A. A powder that loses water of crystallization when exposed to air.
  • B. A powder that absorbs water from the air.
  • C. A powder that melts when exposed to air.
  • D. A powder that reacts with air to form an explosive mixture.

Answer: A. A powder that loses water of crystallization when exposed to air.


Question 10: What is a hygroscopic powder?

  • A. A powder that absorbs water from the air.
  • B. A powder that loses water of crystallization when exposed to air.
  • C. A powder that melts when exposed to air.
  • D. A powder that reacts with air to form an explosive mixture.

Answer: A. A powder that absorbs water from the air.


Question 11: What is a eutectic mixture?

  • A. A mixture of two or more substances that has a lower melting point than any of the individual substances.
  • B. A mixture of two or more substances that has a higher melting point than any of the individual substances.
  • C. A mixture of two or more substances that is more soluble than any of the individual substances.
  • D. A mixture of two or more substances that is less soluble than any of the individual substances.

Answer: A. A mixture of two or more substances that has a lower melting point than any of the individual substances.

Question 12: What is geometric dilution?

  • A. A method of diluting a powder by mixing it with a diluent in a specific ratio.
  • B. A method of diluting a powder by mixing it with a diluent in a random ratio.
  • C. A method of diluting a powder by mixing it with a diluent until the desired concentration is reached.
  • D. A method of diluting a powder by mixing it with a diluent until the desired volume is reached.

Answer: A. A method of diluting a powder by mixing it with a diluent in a specific ratio.


Question 13: What is the official preparation of simple and compound powders?

  • A. Powders are dispensed in powder papers.
  • B. Powders are dispensed in capsules.
  • C. Powders are dispensed in tablets.
  • D. Powders are dispensed in bulk.

Answer: A. Powders are dispensed in powder papers.


Question 14: Which of the following is not a dusting powder?

  • A. Talcum powder
  • B. Cornstarch powder
  • C. Boric acid powder
  • D. Aspirin powder

Answer: D. Aspirin powder


Question 15: Which of the following is not an effervescent powder?

  • A. Sodium bicarbonate + citric acid
  • B. Sodium bicarbonate + tartaric acid
  • C. Sodium bicarbonate + acetic acid
  • D. Sodium bicarbonate + hydrochloric acid

Answer: D. Sodium bicarbonate + hydrochloric acid


Question 16: Which of the following is not an efflorescent powder?

  • A. Sodium sulfate
  • B. Sodium carbonate
  • C. Copper sulfate
  • D. Potassium alum

Answer: D. Potassium alum


Question 17: Which of the following is not a hygroscopic powder?

  • A. Calcium chloride
  • B. Sodium chloride
  • C. Magnesium chloride
  • D. Potassium chloride

Answer: D. Potassium chloride


Question 18: Which of the following is not a eutectic mixture?

  • A. Sodium chloride + potassium chloride
  • B. Lead + tin
  • C. Bismuth + tin
  • D. Ice + salt

Answer: A. Sodium chloride + potassium chloride


Question 19: What is the formula for geometric dilution?

  • A. C1/C2 = V1/V2
  • B. C1V1 = C2V2
  • C. C1 + C2 = V1 + V2
  • D. C1 – C2 = V1 – V2

Answer: B. C1V1 = C2V2


Question 20: Which of the following is not a use of geometric dilution?

  • A. To prepare a dilution of a powder for internal administration
  • B. To prepare a dilution of a powder for external administration
  • C. To prepare a dilution of a powder for use in a chemical reaction
  • D. To prepare a dilution of a powder for use in a biological assay

Answer: D. To prepare a dilution of a powder for use in a biological assay


Question 21: Which of the following is not a factor that affects the flowability of a powder?

  • A. Particle size
  • B. Particle shape
  • C. Surface area of the particles
  • D. Humidity

Answer: D. Humidity


Question 22: Which of the following is not a method of improving the flowability of a powder?

  • A. Adding a glidant
  • B. Adding a lubricant
  • C. Reducing the particle size
  • D. Increasing the humidity

Answer: D. Increasing the humidity


Question 23: Which of the following is not a method of mixing powders?

  • A. Blending
  • B. Tumbling
  • C. Sifting
  • D. Grinding

Answer: D. Grinding


Question 24: Which of the following is not a type of packaging for powders?

  • A. Powder papers
  • B. Capsules
  • C. Tablets
  • D. Vials

Answer: D. Vials


Question 25: Which of the following is not a storage condition for powders?

  • A. Store in a cool, dry place
  • B. Protect from light
  • C. Keep tightly closed
  • D. Store in a refrigerator

Answer: D. Store in a refrigerator


Question 26: Which of the following is not a quality control test for powders?

  • A. Bulk density
  • B. Angle of repose
  • C. Solubility
  • D. Flowability

Answer: C. Solubility


Question 27: Which of the following is not a route of administration for powders?

  • A. Oral
  • B. Topical
  • C. Parenteral
  • D. Inhalation

Answer: C. Parenteral


Question 28: Which of the following is not a common use for powders?

  • A. Pharmaceutical
  • B. Food
  • C. Cosmetic
  • D. Industrial

Answer: C. Cosmetic


Question 29: Which of the following is not a safety consideration when using powders?

  • A. Avoid inhaling the powder
  • B. Avoid contact with the eyes and skin
  • C. Wash hands thoroughly after handling the powder
  • D. Store the powder in a safe place

Answer: D. Store the powder in a safe place


Question 30: Which of the following is not an example of a bulk powder?

  • A. Flour
  • B. Sugar
  • C. Salt
  • D. Cement

Answer: D. Cement


Question 31: Which of the following is not an example of a fine powder?

  • A. Talcum powder
  • B. Cornstarch powder
  • C. Boric acid powder
  • D. Aspirin powder

Answer: D. Aspirin powder


Question 32: Which of the following is not an example of a powder mixture?

  • A. Sand and gravel
  • B. Salt and pepper
  • C. Sugar and flour
  • D. Oil and water

Answer: D. Oil and water


Question 33: Which of the following is not a use of geometric dilution in pharmacy?

  • A. To prepare a dilution of a potent drug for internal administration
  • B. To prepare a dilution of a drug for external application
  • C. To prepare a dilution of a drug for use in a chemical reaction
  • D. To prepare a dilution of a drug for use in a biological assay

Answer: C. To prepare a dilution of a drug for use in a chemical reaction


Question 34: Which of the following is not a quality control test for powder mixtures?

  • A. Uniformity of content
  • B. Uniformity of blend
  • C. Flowability
  • D. Solubility

Answer: D. Solubility


Question 35: Which of the following is not a safety consideration when using powder mixtures?

  • A. Avoid inhaling the powder
  • B. Avoid contact with the eyes and skin
  • C. Wash hands thoroughly after handling the powder
  • D. Store the powder mixture in a safe place

Answer: D. Store the powder mixture in a safe place


Question 36: Which of the following is not an example of a powder dosage form?

  • A. Capsules
  • B. Tablets
  • C. Granules
  • D. Powders

Answer: D. Powders


Question 37: Which of the following is not an example of a powder administration device?

  • A. Spoon
  • B. Inhaler
  • C. Capsule
  • D. Tablet

Answer: D. Tablet


Question 38: Which of the following is not a common challenge in the formulation of powder dosage forms?

  • A. Ensuring good flowability
  • B. Ensuring uniform content
  • C. Ensuring dissolution
  • D. Ensuring stability

Answer: D. Ensuring stability


Question 39: Which of the following is not a common excipient used in powder formulations?

  • A. Lactose
  • B. Starch
  • C. Talcum powder
  • D. Magnesium stearate

Answer: C. Talcum powder


Question 40: Which of the following is not a method of manufacturing powder dosage forms?

  • A. Blending
  • B. Granulation
  • C. Trituration
  • D. Compression

Answer: B. Granulation

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