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Transdermal Drug Delivery Systems Part 1

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Transdermal Drug Delivery Systems Part 1

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Questions and Answers

Approximately how much surface area does the skin of an average adult body cover?

3 m2

1 m2

2 m2 (correct)

4 m2

What was the first transdermal patch approved by FDA in 1981?

Nitroglycerin patch

Lidocaine patch

Fentanyl patch

Scopolamine patch (correct)

What is one of the advantages of transdermal drug delivery systems over oral administration?

Avoidance of gastrointestinal drug absorption difficulties (correct)

Faster absorption rate

Less frequent dosing

Increased bioavailability

Which of the following is NOT a type of drug available in transdermal patch form?

Insulin Signup and view all the answers

What is the primary advantage of transdermal patches over syringes or pumps?

No need for vascular access Signup and view all the answers

What is the main purpose of transdermal drug delivery systems?

To deliver a therapeutic dose of a drug across the skin at a controlled rate Signup and view all the answers

What is a benefit of Transdermal Drug Delivery Systems (TDDS) compared to parenteral therapy?

No pain or discomfort Signup and view all the answers

How do TDDS improve patient compliance?

By extending therapy with a single application Signup and view all the answers

What is a result of the improved bioavailability of TDDS compared to conventional oral dosage forms?

Reduced dosing frequency Signup and view all the answers

What is an advantage of TDDS in emergency situations?

They are easily identifiable Signup and view all the answers

What is a major obstacle facing the development of TDDS?

The barrier nature of the skin Signup and view all the answers

What type of drugs are not suitable for delivery through TDDS?

Ionic (charged) drugs Signup and view all the answers