Review Topical Administration

Routes Of Drug Administration > Pharmacology

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Topical Administration

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Total Questions : 5

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Question 1:

Which of the following is an advantage of topical drug administration?

A. It delivers drugs directly to the site of action on the skin or mucous membranes B. It can reduce systemic side effects C. It is non-invasive D. All of the above

Answer and Explanation

Choice A:

Choice B:

Choice C:

Choice D:

Topical drug administration delivers drugs directly to the site of action on the skin or mucous membranes, allowing for high local drug concentrations and reducing systemic side effects. This route of administration is non-invasive and does not require any special equipment or training.

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Question 2:

Which of the following is a disadvantage of topical drug administration

A. It has a rapid onset of action B. It can be messy and inconvenient to apply C. It is more expensive than other routes of administration D. It is invasive

Answer and Explanation

Choice A:

Topical drug administration can have a rapid onset of action, but this is not a disadvantage.

Choice B:

Topical drug administration can be messy and inconvenient to apply because it requires the application of creams, ointments, or gels to the skin or mucous membranes.

Choice C:

The cost of topical drug administration can vary depending on the medication used, but it is not necessarily more expensive than other routes of administration.

Choice D:

Topical drug administration is non-invasive.

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Question 3:

Which of the following drugs is commonly administered topically?

A. Hydrocortisone B. Furosemide C. Metoprolol D. Simvastatin

Answer and Explanation

Choice A:

Hydrocortisone is commonly administered topically for the treatment of skin conditions such as eczema, dermatitis, and insect bites. This route of administration allows for direct delivery of medication to the affected area.

Choice B:

Is commonly administered orally or intravenously, not topically.

Choice C:

Is commonly administered orally, not topically.

Choice D:

Is commonly administered orally, not topically.

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Question 4:

Which of the following statements about topical drug administration is true?

A. Topical drug administration delivers drugs directly to the site of action in the liver. B. Topical drug administration has a slower onset of action compared to oral administration. C. Topical drug administration can reduce systemic side effects. D. Topical drug administration is more invasive than other routes of administration.

Answer and Explanation

Choice A:

Topical drug administration delivers drugs directly to the site of action on the skin or mucous membranes, not in the liver.

Choice B:

This statement may be true or false depending on the specific medication and condition being treated. Topical drug administration can have a rapid onset of action for some conditions but may have a slower onset of action compared to oral administration for others.

Choice C:

Topical drug administration delivers drugs directly to the site of action on the skin or mucous membranes, allowing for high local drug concentrations and reducing systemic side effects.

Choice D:

This statement is false because topical drug administration is non-invasive.

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Question 5:

Which of the following factors can affect the absorption of topically administered drugs?

A. Skin thickness B. Skin hydration C. Blood flow to the skin D. All of above

Answer and Explanation

Choice A:

Choice B:

Choice C:

Choice D:

Skin thickness, hydration, and blood flow can all affect the absorption of topically administered drugs. For example, drugs may be absorbed more readily through thin skin or skin that is well-hydrated. Blood flow to the skin can also affect absorption by altering the rate at which drugs are delivered to the absorption site.

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Topical Administration

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