MCQ on Pharmaceutical powders

What is the primary advantage of using powders as a pharmaceutical dosage form?

• A. They are easy to swallow.
• B. They have a long shelf life.
• C. They are highly stable.
• D. They offer flexibility in dosing.

Correct Answer: D. They offer flexibility in dosing.

Which classification of powders is commonly used for oral administration and consists of a uniform mixture of finely powdered drugs and excipients?

• A. Simple powders
• B. Compound powders
• C. Dusting powders
• D. Efflorescent powders

Correct Answer: B. Compound powders

What is the primary disadvantage of efflorescent powders?

• A. They are difficult to store.
• B. They tend to clump together.
• C. They are prone to moisture absorption.
• D. They are difficult to manufacture.

Correct Answer: C. They are prone to moisture absorption.

Which type of powder is designed to be applied topically to the skin to alleviate irritation or discomfort?

• A. Simple powders
• B. Compound powders
• C. Dusting powders
• D. Effervescent powders

Correct Answer: C. Dusting powders

What is the primary advantage of using eutectic mixtures in pharmaceutical preparations?

• A. They enhance the flavor of the formulation.
• B. They improve the solubility of the drug.
• C. They extend the shelf life of the product.
• D. They reduce the cost of production.

Correct Answer: B. They improve the solubility of the drug.

Which type of powder is designed to dissolve in water with effervescence, often used to prepare effervescent tablets or solutions?

• A. Simple powders
• B. Compound powders
• C. Dusting powders
• D. Effervescent powders

Correct Answer: D. Effervescent powders

What is the primary disadvantage of hygroscopic powders?

• A. They are difficult to store.
• B. They have a short shelf life.
• C. They are prone to moisture absorption.
• D. They are challenging to manufacture.

Correct Answer: C. They are prone to moisture absorption.

Which type of powder is created by mixing two or more powders in a specific geometric ratio to ensure uniform distribution of components?

• A. Simple powders
• B. Compound powders
• C. Dusting powders
• D. Geometric dilutions

Correct Answer: D. Geometric dilutions

In the classification of powders, what distinguishes “official preparations” from other types of powders?

• A. They are prepared by compounding pharmacists.
• B. They are not regulated by pharmaceutical authorities.
• C. They are listed in official pharmacopeias.
• D. They are only available by prescription.

Correct Answer: C. They are listed in official pharmacopeias.

What is the primary advantage of using simple powders in pharmaceutical formulations?

• A. They are highly stable.
• B. They can be easily administered orally.
• C. They have a long shelf life.
• D. They are resistant to moisture.

Correct Answer: D. They are resistant to moisture.

Which classification of powders is composed of a single active ingredient and does not contain excipients or other substances?

• A. Simple powders
• B. Compound powders
• C. Dusting powders
• D. Effervescent powders

Correct Answer: A. Simple powders

What is the primary disadvantage of using eutectic mixtures in pharmaceutical formulations?

• A. They can cause gastrointestinal discomfort.
• B. They are expensive to produce.
• C. They may reduce drug stability.
• D. They have a bitter taste.

Correct Answer: C. They may reduce drug stability.

Which type of powder is designed for oral administration and typically contains a mixture of drugs and excipients for easy dosing?

• A. Simple powders
• B. Compound powders
• C. Dusting powders
• D. Effervescent powders

Correct Answer: B. Compound powders

What is the primary advantage of using geometric dilutions when preparing pharmaceutical powders?

• A. It reduces the risk of contamination.
• B. It improves the solubility of the active ingredient.
• C. It ensures accurate and uniform mixing of ingredients.
• D. It extends the shelf life of the product.

Correct Answer: C. It ensures accurate and uniform mixing of ingredients.

Which type of powder is designed to release gas bubbles when mixed with water, often used for antacid preparations?

• A. Simple powders
• B. Compound powders
• C. Dusting powders
• D. Effervescent powders

Correct Answer: D. Effervescent powders

What is the primary disadvantage of using dusting powders on moist or weeping skin conditions?

• A. They may cause skin irritation.
• B. They can lead to bacterial growth.
• C. They have a short shelf life.
• D. They are difficult to apply.

Correct Answer: B. They can lead to bacterial growth.

In pharmaceutical powders, what is the primary advantage of using official preparations listed in pharmacopeias?

• A. They are available without a prescription.
• B. They have a lower cost.
• C. They are not subject to quality control.
• D. They meet established quality and safety standards.

Correct Answer: D. They meet established quality and safety standards.

What is the primary disadvantage of using hygroscopic powders in pharmaceutical formulations?

• A. They have a bitter taste.
• B. They are difficult to manufacture.
• C. They are prone to moisture absorption.
• D. They cannot be administered orally.

Correct Answer: C. They are prone to moisture absorption.

Which type of powder is designed to dissolve in the presence of water, often used for preparing oral solutions or suspensions?

• A. Simple powders
• B. Compound powders
• C. Dusting powders
• D. Efflorescent powders

Correct Answer: D. Efflorescent powders

What is the primary purpose of using geometric dilutions in pharmaceutical compounding?

• A. To reduce the number of ingredients in a formulation
• B. To improve the flavor of a preparation
• C. To ensure accurate and uniform mixing of ingredients
• D. To extend the shelf life of the product

Correct Answer: C. To ensure accurate and uniform mixing of ingredients.

Which type of powder is specifically designed to prevent caking and improve flow properties, often used in tablet and capsule formulations?

• A. Simple powders
• B. Compound powders
• C. Dusting powders
• D. Flowing powders

Correct Answer: D. Flowing powders

What is the primary advantage of using official preparations in pharmaceutical compounding?

• A. They can be prepared without excipients.
• B. They do not require quality control testing.
• C. They meet established quality and safety standards.
• D. They are more cost-effective.

Correct Answer: C. They meet established quality and safety standards.

In pharmaceutical powders, what is the primary disadvantage of using eutectic mixtures?

• A. They can cause gastrointestinal discomfort.
• B. They are difficult to store.
• C. They may reduce drug stability.
• D. They have a bitter taste.

Correct Answer: C. They may reduce drug stability.

Which classification of powders is used primarily for external application on the skin, such as for soothing and protective purposes?

• A. Simple powders
• B. Compound powders
• C. Dusting powders
• D. Efflorescent powders

Correct Answer: C. Dusting powders

What is the primary disadvantage of using hygroscopic powders in pharmaceutical formulations?

• A. They have a bitter taste.
• B. They are difficult to manufacture.
• C. They are prone to moisture absorption.
• D. They cannot be administered orally.

Correct Answer: C. They are prone to moisture absorption.

Which type of powder is designed to dissolve in the presence of water, often used for preparing oral solutions or suspensions?

• A. Simple powders
• B. Compound powders
• C. Dusting powders
• D. Efflorescent powders

Correct Answer: D. Efflorescent powders

What is the primary purpose of using geometric dilutions in pharmaceutical compounding?

• A. To reduce the number of ingredients in a formulation
• B. To improve the flavor of a preparation
• C. To ensure accurate and uniform mixing of ingredients
• D. To extend the shelf life of the product

Correct Answer: C. To ensure accurate and uniform mixing of ingredients.

Which type of powder is specifically designed to prevent caking and improve flow properties, often used in tablet and capsule formulations?

• A. Simple powders
• B. Compound powders
• C. Dusting powders
• D. Flowing powders

Correct Answer: D. Flowing powders

What is the primary advantage of using official preparations in pharmaceutical compounding?

• A. They can be prepared without excipients.
• B. They do not require quality control testing.
• C. They meet established quality and safety standards.
• D. They are more cost-effective.

Correct Answer: C. They meet established quality and safety standards.

In pharmaceutical powders, what is the primary disadvantage of using eutectic mixtures?

• A. They can cause gastrointestinal discomfort.
• B. They are difficult to store.
• C. They may reduce drug stability.
• D. They have a bitter taste.

Correct Answer: C. They may reduce drug stability.

Which classification of powders is used primarily for external application on the skin, such as for soothing and protective purposes?

• A. Simple powders
• B. Compound powders
• C. Dusting powders
• D. Efflorescent powders

Correct Answer: C. Dusting powders

What is the primary advantage of using hygroscopic powders in pharmaceutical formulations?

• A. They are highly stable.
• B. They are easy to manufacture.
• C. They have a long shelf life.
• D. They are resistant to moisture.

Correct Answer: D. They are resistant to moisture.

Which classification of powders is composed of a single active ingredient and does not contain excipients or other substances?

• A. Simple powders
• B. Compound powders
• C. Dusting powders
• D. Effervescent powders

Correct Answer: A. Simple powders

What is the primary disadvantage of using eutectic mixtures in pharmaceutical formulations?

• A. They can cause gastrointestinal discomfort.
• B. They are expensive to produce.
• C. They may reduce drug stability.
• D. They have a bitter taste.

Correct Answer: C. They may reduce drug stability.

Which type of powder is designed for oral administration and typically contains a mixture of drugs and excipients for easy dosing?

• A. Simple powders
• B. Compound powders
• C. Dusting powders
• D. Effervescent powders

Correct Answer: B. Compound powders

What is the primary advantage of using geometric dilutions when preparing pharmaceutical powders?

• A. It reduces the risk of contamination.
• B. It improves the solubility of the active ingredient.
• C. It ensures accurate and uniform mixing of ingredients.
• D. It extends the shelf life of the product.

Correct Answer: C. It ensures accurate and uniform mixing of ingredients.

Which type of powder is designed to release gas bubbles when mixed with water, often used for antacid preparations?

• A. Simple powders
• B. Compound powders
• C. Dusting powders
• D. Effervescent powders

Correct Answer: D. Effervescent powders

What is the primary disadvantage of using dusting powders on moist or weeping skin conditions?

• A. They may cause skin irritation.
• B. They can lead to bacterial growth.
• C. They have a short shelf life.
• D. They are difficult to apply.

Correct Answer: B. They can lead to bacterial growth.

In pharmaceutical powders, what is the primary advantage of using official preparations listed in pharmacopeias?

• A. They are available without a prescription.
• B. They have a lower cost.
• C. They are not subject to quality control.
• D. They meet established quality and safety standards.

Correct Answer: D. They meet established quality and safety standards.

What is the primary disadvantage of using hygroscopic powders in pharmaceutical formulations?

• A. They have a bitter taste.
• B. They are difficult to manufacture.
• C. They are prone to moisture absorption.
• D. They cannot be administered orally.

Correct Answer: C. They are prone to moisture absorption.

Which type of powder is designed to dissolve in the presence of water, often used for preparing oral solutions or suspensions?

• A. Simple powders
• B. Compound powders
• C. Dusting powders
• D. Efflorescent powders

Correct Answer: D. Efflorescent powders

What is the primary purpose of using geometric dilutions in pharmaceutical compounding?

• A. To reduce the number of ingredients in a formulation
• B. To improve the flavor of a preparation
• C. To ensure accurate and uniform mixing of ingredients
• D. To extend the shelf life of the product

Correct Answer: C. To ensure accurate and uniform mixing of ingredients.

Which type of powder is specifically designed to prevent caking and improve flow properties, often used in tablet and capsule formulations?

• A. Simple powders
• B. Compound powders
• C. Dusting powders
• D. Flowing powders

Correct Answer: D. Flowing powders

What is the primary advantage of using official preparations in pharmaceutical compounding?

• A. They can be prepared without excipients.
• B. They do not require quality control testing.
• C. They meet established quality and safety standards.
• D. They are more cost-effective.

Correct Answer: C. They meet established quality and safety standards.

In pharmaceutical powders, what is the primary disadvantage of using eutectic mixtures?

• A. They can cause gastrointestinal discomfort.
• B. They are difficult to store.
• C. They may reduce drug stability.
• D. They have a bitter taste.

Correct Answer: C. They may reduce drug stability.

Which classification of powders is used primarily for external application on the skin, such as for soothing and protective purposes?

• A. Simple powders
• B. Compound powders
• C. Dusting powders
• D. Efflorescent powders

What is the primary disadvantage of using hygroscopic powders in pharmaceutical formulations?

• A. They have a bitter taste.
• B. They are difficult to manufacture.
• C. They are prone to moisture absorption.
• D. They cannot be administered orally.

Correct Answer: C. They are prone to moisture absorption.

Which type of powder is designed to dissolve in the presence of water, often used for preparing oral solutions or suspensions?

• A. Simple powders
• B. Compound powders
• C. Dusting powders
• D. Efflorescent powders

Correct Answer: D. Efflorescent powders

What is the primary purpose of using geometric dilutions in pharmaceutical compounding?

• A. To reduce the number of ingredients in a formulation
• B. To improve the flavor of a preparation
• C. To ensure accurate and uniform mixing of ingredients
• D. To extend the shelf life of the product

Correct Answer: C. To ensure accurate and uniform mixing of ingredients.

Which type of powder is specifically designed to prevent caking and improve flow properties, often used in tablet and capsule formulations?

• A. Simple powders
• B. Compound powders
• C. Dusting powders
• D. Flowing powders

Correct Answer: D. Flowing powders

What is the primary advantage of using official preparations in pharmaceutical compounding?

• A. They can be prepared without excipients.
• B. They do not require quality control testing.
• C. They meet established quality and safety standards.
• D. They are more cost-effective.

Correct Answer: C. They meet established quality and safety standards.

In pharmaceutical powders, what is the primary disadvantage of using eutectic mixtures?

• A. They can cause gastrointestinal discomfort.
• B. They are difficult to store.
• C. They may reduce drug stability.
• D. They have a bitter taste.

Correct Answer: C. They may reduce drug stability.

Which classification of powders is used primarily for external application on the skin, such as for soothing and protective purposes?

• A. Simple powders
• B. Compound powders
• C. Dusting powders
• D. Efflorescent powders

Correct Answer: C. Dusting powders

The post Powders MCQs first appeared on Pharmacy Freak.