1/1 DA Powder And Granules

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Husop

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Quizzes Created: 4 | Total Attempts: 3,973

Questions: 11 | Attempts: 3,111 | Updated: Mar 21, 2023

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Powders and Granules by Jon Roy

Questions and Answers

1.

Which is an advantages of Powders?
- A.
  
  No difficulty swallowing
- B.
  
  Easy to adjust dose
- C.
  
  Rapid onset of action
- D.
  
  All the above
- E.
  
  None of the above
Correct Answer
D. All the above

Explanation
Powders have several advantages, including no difficulty swallowing, easy adjustment of dose, and rapid onset of action. Powders can be easily dissolved in liquid, making them easier to swallow for individuals who have difficulty swallowing tablets or capsules. Additionally, powders allow for easy adjustment of dose as they can be measured and divided more accurately. Lastly, powders often have a faster onset of action compared to other forms of medication, as they are quickly absorbed by the body. Therefore, all of the options listed above are advantages of powders.

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2.

When making powders there is a manufactoring epense because of individaully wrapped powder ddoses?
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
The given answer is true. When making powders, there is a manufacturing expense because each powder dose needs to be individually wrapped. This process of individually wrapping the powder doses adds to the overall manufacturing cost.

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3.

Which is not a USP term for powders?
- A.
  
  Fine
- B.
  
  Very Fine
- C.
  
  Coarse
- D.
  
  Moderatly Fine
Correct Answer
D. Moderatly Fine

Explanation
The term "Moderatly Fine" is not a USP term for powders. The USP (United States Pharmacopeia) defines specific terms and standards for powders used in pharmaceuticals. "Fine," "Very Fine," and "Coarse" are all recognized USP terms for powders, but "Moderatly Fine" is not.

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4.

What is comminution?

Correct Answer
It is the process of reducing the particle size of a solid substance to a finer state of subdivison.

Explanation
Comminution refers to the process of breaking down or reducing the particle size of a solid substance. This process aims to achieve a finer state of subdivision by using various techniques such as crushing, grinding, or milling. By reducing the particle size, the surface area of the solid substance increases, which can enhance its reactivity or improve its physical properties. Comminution is commonly used in industries such as mining, pharmaceuticals, and food processing to obtain smaller particles that are easier to handle or to increase the surface area for better mixing or dissolution.

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5.

Which USP term matches with its correct definition?
- A.
  
  Very Coarse - All powder particles pass througha No. 8 sieve and not more than 40% pass through No. 60 sieve
- B.
  
  Moderately coarse - All powder particles pass througha No. 40 sieve and not more than 40% pass through No. 60 sieve
- C.
  
  Fine Powder - All powder particles pass througha No. 60 sieve and not more than 40% pass through No. 80 sieve
- D.
  
  All of the above
- E.
  
  None of the above
Correct Answer
E. None of the above

Explanation
The correct answer is "None of the above" because none of the given definitions match the USP term correctly. The definitions provided for Very Coarse, Moderately Coarse, and Fine Powder do not align with the specified sieve sizes and percentages mentioned in the USP guidelines. Therefore, none of the options accurately represent the correct definition for the USP term.

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6.

What is the particle size of topical preparations?
- A.
  
  0.5 - 10 microns
- B.
  
  50 - 100 microns
- C.
  
  1-5 microns
- D.
  
  10-50 microns
Correct Answer
B. 50 - 100 microns

Explanation
Topical preparations typically have a particle size ranging from 50 to 100 microns. This particle size range allows for effective absorption and penetration into the skin, ensuring proper delivery of the medication or active ingredients. Particles that are too small may be easily absorbed into the bloodstream, while particles that are too large may not be able to penetrate the skin barrier effectively. Therefore, the 50-100 micron range is considered optimal for topical preparations.

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7.

Which technique involves using a pad with a small amount of liquid to reduce particle size?
- A.
  
  Trituration
- B.
  
  Levigation
- C.
  
  Pulverization
- D.
  
  All of the above
- E.
  
  None of the above
Correct Answer
B. Levigation

Explanation
Levigation is the technique that involves using a pad with a small amount of liquid to reduce particle size. It is commonly used in pharmacy and compounding to prepare suspensions or ointments. The liquid acts as a lubricant and helps in breaking down larger particles into smaller ones, resulting in a uniform mixture. Trituration involves grinding substances in a mortar and pestle, while pulverization refers to the process of reducing substances to a fine powder. Therefore, the correct answer is Levigation.

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8.

Drugs powders packed are usually not very potentent?
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Drugs powders are usually not very potent because they are often diluted or mixed with other substances to create a more manageable dosage form. This is done to ensure that the drug can be accurately measured and administered to patients. Additionally, powders are often designed to be dissolved or mixed with a liquid before consumption, further reducing their potency. Therefore, it is generally true that drugs powders packed are usually not very potent.

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9.

Name an advantage of granules?

Correct Answer
Good flow properties as compared to powders
Stable physically and chemically
Less tendency of caking in dispersions
Easily wetted as compared to powders

Explanation
Granules have good flow properties compared to powders, meaning they can be easily poured or transferred without clumping or sticking together. They are also stable both physically and chemically, ensuring their integrity and effectiveness over time. Granules have a lower tendency to cake in dispersions, meaning they are less likely to form lumps or solidify when mixed with liquids. Additionally, granules are easily wetted compared to powders, allowing them to quickly absorb and dissolve in liquids. Overall, these advantages make granules a preferred form of material in various industries and applications.

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10.

What is hygroscopic?

Correct Answer
Substances which absorb moisture from the air

Explanation
Hygroscopic substances have the ability to absorb moisture from the air. This means that when exposed to humid conditions, these substances attract and retain water molecules from the surrounding environment. This property is useful in various applications such as preserving the quality of certain products, preventing moisture damage, and controlling humidity levels.

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11.

What is Euectic Mixtures

Correct Answer
Proportion of components hich will gie the lowest melting point

Explanation
Eutectic mixtures are mixtures of two or more substances that have a specific composition where the proportion of components will result in the lowest possible melting point. This means that at this specific composition, the mixture will melt at a lower temperature compared to any other composition. Eutectic mixtures are important in various fields such as metallurgy, materials science, and pharmaceuticals, as they can be used to control the melting temperature and enhance the properties of the resulting material.

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Current Version
Mar 21, 2023

Quiz Edited by
ProProfs Editorial Team
Feb 03, 2010

Quiz Created by
Husop

1/1 Da Powder And Granules

Which is an advantages of Powders?

When making powders there is a manufactoring epense because of individaully wrapped powder ddoses?

Which is not a USP term for powders?

What is comminution?

Which USP term matches with its correct definition?

What is the particle size of topical preparations?

Which technique involves using a pad with a small amount of liquid to reduce particle size?

Drugs powders packed are usually not very potentent?

Name an advantage of granules?

What is hygroscopic?

What is Euectic Mixtures