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Pharmaceutical Calculations and Dosage Forms

Description: This quiz will assess your understanding of pharmaceutical calculations and dosage forms.
Number of Questions: 15
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Tags: pharmacy pharmaceutical calculations dosage forms
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What is the concentration of a solution that contains 50 mg of solute in 100 mL of solution?

  1. 0.5 mg/mL

  2. 5 mg/mL

  3. 50 mg/mL

  4. 500 mg/mL


Correct Option: B
Explanation:

Concentration = (Mass of solute / Volume of solution) = (50 mg / 100 mL) = 5 mg/mL

How many grams of NaCl are needed to prepare 500 mL of a 0.9% NaCl solution?

  1. 0.45 g

  2. 4.5 g

  3. 45 g

  4. 450 g


Correct Option: B
Explanation:

Mass of NaCl = (Concentration % / 100) * Volume of solution = (0.9% / 100) * 500 mL = 4.5 g

A patient is prescribed 200 mg of a drug every 6 hours. How many tablets should the patient take if each tablet contains 50 mg of the drug?

  1. 1

  2. 2

  3. 3

  4. 4


Correct Option: D
Explanation:

Number of tablets = (Total dose / Dose per tablet) = (200 mg / 50 mg) = 4 tablets

What is the volume of a 10% dextrose solution needed to deliver 50 g of dextrose?

  1. 250 mL

  2. 500 mL

  3. 750 mL

  4. 1000 mL


Correct Option: B
Explanation:

Volume of solution = (Mass of solute / Concentration %) * 100 = (50 g / 10%) * 100 = 500 mL

Which of the following is a solid dosage form?

  1. Tablet

  2. Capsule

  3. Suspension

  4. Solution


Correct Option: A
Explanation:

Tablets are solid dosage forms that are typically swallowed whole.

What is the purpose of a diluent in a pharmaceutical formulation?

  1. To increase the solubility of the drug

  2. To decrease the bioavailability of the drug

  3. To provide a bulking agent

  4. To mask the taste of the drug


Correct Option: C
Explanation:

Diluents are used to provide a bulking agent and increase the volume of the dosage form.

Which of the following is a controlled-release dosage form?

  1. Tablet

  2. Capsule

  3. Sustained-release tablet

  4. Solution


Correct Option: C
Explanation:

Sustained-release tablets are controlled-release dosage forms that release the drug slowly over a period of time.

What is the difference between a generic drug and a brand-name drug?

  1. Generic drugs are more expensive than brand-name drugs.

  2. Generic drugs have different active ingredients than brand-name drugs.

  3. Generic drugs are not as effective as brand-name drugs.

  4. Generic drugs are chemically equivalent to brand-name drugs.


Correct Option: D
Explanation:

Generic drugs are chemically equivalent to brand-name drugs and have the same active ingredients, dosage, and route of administration.

What is the maximum daily dose of acetaminophen for adults?

  1. 1000 mg

  2. 2000 mg

  3. 3000 mg

  4. 4000 mg


Correct Option: D
Explanation:

The maximum daily dose of acetaminophen for adults is 4000 mg.

Which of the following is a common side effect of aspirin?

  1. Nausea

  2. Vomiting

  3. Diarrhea

  4. Stomach upset


Correct Option: D
Explanation:

Stomach upset is a common side effect of aspirin.

What is the recommended dosage of ibuprofen for children?

  1. 5 mg/kg every 6 hours

  2. 10 mg/kg every 8 hours

  3. 15 mg/kg every 12 hours

  4. 20 mg/kg every 24 hours


Correct Option: B
Explanation:

The recommended dosage of ibuprofen for children is 10 mg/kg every 8 hours.

Which of the following is a common side effect of amoxicillin?

  1. Rash

  2. Nausea

  3. Vomiting

  4. Diarrhea


Correct Option: A
Explanation:

Rash is a common side effect of amoxicillin.

What is the maximum daily dose of clarithromycin for adults?

  1. 500 mg

  2. 1000 mg

  3. 1500 mg

  4. 2000 mg


Correct Option: D
Explanation:

The maximum daily dose of clarithromycin for adults is 2000 mg.

Which of the following is a common side effect of fluconazole?

  1. Headache

  2. Nausea

  3. Vomiting

  4. Diarrhea


Correct Option: A
Explanation:

Headache is a common side effect of fluconazole.

What is the maximum daily dose of azithromycin for adults?

  1. 500 mg

  2. 1000 mg

  3. 1500 mg

  4. 2000 mg


Correct Option: C
Explanation:

The maximum daily dose of azithromycin for adults is 1500 mg.

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