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Questions and Answers
What process causes air pockets in cells to expand and oscillate, disorganizing the lipid bilayers and forming channels through them?
What process causes air pockets in cells to expand and oscillate, disorganizing the lipid bilayers and forming channels through them?
- Sonication (correct)
- Vesiculation
- Ionization
- Osmosis
Which type of transdermal patch lacks a rate-limiting membrane?
Which type of transdermal patch lacks a rate-limiting membrane?
- Reservoir type with rate limiting membrane
- Reservoir type without rate limiting membrane
- Matrix type without rate limiting membrane (correct)
- Matrix type with rate limiting membrane
Which penetration enhancer involves the use of micro-sized needles?
Which penetration enhancer involves the use of micro-sized needles?
- Sonication
- Phonophoresis
- Microneedles (correct)
- Iontophoresis
What is the purpose of the drug-adhesive layer in a matrix-type transdermal patch?
What is the purpose of the drug-adhesive layer in a matrix-type transdermal patch?
Which technique uses ultrasound to enhance percutaneous absorption?
Which technique uses ultrasound to enhance percutaneous absorption?
In iontophoresis, the drug molecule becomes:
In iontophoresis, the drug molecule becomes:
Which of the following is a technique used to enhance percutaneous drug absorption?
Which of the following is a technique used to enhance percutaneous drug absorption?
How does iontophoresis enhance percutaneous drug absorption?
How does iontophoresis enhance percutaneous drug absorption?
What is the primary mechanism of action for microneedles in enhancing percutaneous drug absorption?
What is the primary mechanism of action for microneedles in enhancing percutaneous drug absorption?
Which of the following statements about phonophoresis is correct?
Which of the following statements about phonophoresis is correct?
Which layer of the skin is primarily responsible for the barrier to drug permeation?
Which layer of the skin is primarily responsible for the barrier to drug permeation?
Which of the following characteristics is desirable for a drug to be a good candidate for percutaneous absorption?
Which of the following characteristics is desirable for a drug to be a good candidate for percutaneous absorption?
Application of an electric field to enhance the penetration of ionic drug through skin membrane is called _______.
Application of an electric field to enhance the penetration of ionic drug through skin membrane is called _______.
In which type of transdermal transport, the drug molecule stays in the lipid bilayer and winds around the keratinocytes on its way to the dermis?
In which type of transdermal transport, the drug molecule stays in the lipid bilayer and winds around the keratinocytes on its way to the dermis?
Application of high frequency ultrasound to enhance the penetration of drug through skin membrane is called _______.
Application of high frequency ultrasound to enhance the penetration of drug through skin membrane is called _______.
In which type of TDDS, the drug is uniformly dispersed throughout the hydrophilic or lipophilic matrix?
In which type of TDDS, the drug is uniformly dispersed throughout the hydrophilic or lipophilic matrix?
Which is a type of TDDS with a reservoir of scopolamine for the prevention of nausea?
Which is a type of TDDS with a reservoir of scopolamine for the prevention of nausea?
Which of the following techniques can be used to enhance the percutaneous absorption of drugs?
Which of the following techniques can be used to enhance the percutaneous absorption of drugs?
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