Several factors such as the thickness of stratum corneum, presence of hair follicles, trauma, hydration of the skin, Grooming, exposure to chemicals determine the passive absorption of drugs from the surface of the skin to below.

Related MCQs

• Absorption of drugs can be categorized into 2 classes, physicochemical properties of drugs and Dosage form of the drug, on the basis of drug dissolution.
• Protein binding of drugs helps to maintain ……………for absorption of drugs.
• Which drugs deposit in hair shafts?
• Rate of absorption of drug by passive diffusion is maximum in
• In passive diffusion, the transport of drugs takes place from a region of ……………concentration to a ……………..concentration.
• Which one of the following physicochemical property is more important for passive diffusion of drugs from the GIT?
• In the case of hydrophobic drugs, micronization results in a decrease in effective surface area and thus fall is dissolution rate. Which of the below sentences cannot be a reason for the given statement?
• How the absolute surface area of hydrophobic drugs can be converted to their effective surface area?
• Which of the following drugs accumulate in skin?
• The absorption of drugs like (quaternary ammonium compounds, sulphonic acid) are explained by