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Fick's Law of Diffusion and Distribution Co-efficient Quiz

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Fick's Law of Diffusion and Distribution Co-efficient Quiz

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Questions and Answers

What is the driving force for passive diffusion according to Fick's law?

Higher drug concentrations from mucosal side to blood (correct)

Lower drug concentrations from mucosal side to blood

Higher drug concentrations from blood to mucosal side

Equal drug concentrations from mucosal side to blood

In passive diffusion, how do molecules move?

By active transport from lower to higher concentration

Spontaneously from higher to lower concentration (correct)

By facilitated diffusion from lower to higher concentration

By osmosis from lower to higher concentration

What type of drug is likely to pass through the lipid cell membrane without barrier?

Low molecular weight and lipophilic (correct)

High molecular weight and hydrophilic

High molecular weight and lipophilic

Low molecular weight and hydrophilic

What is the major absorption process for most drugs?

<p>Passive diffusion</p> Signup and view all the answers

When is passive diffusion considered passive?

<p>Because no external energy is expended</p> Signup and view all the answers

Study Notes

Diffusion and Passive Transport

The driving force for passive diffusion is the concentration gradient, according to Fick's law.
In passive diffusion, molecules move from an area of higher concentration to an area of lower concentration.
Lipid-soluble drugs are likely to pass through the lipid cell membrane without barrier.
The major absorption process for most drugs is passive diffusion.
Passive diffusion is considered passive because it does not require energy input from the cell.

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Description

Test your understanding of Fick's Law of Diffusion and Distribution Co-efficient with this quiz by Dr. Muhammad Sarfraz. Explore topics such as passive diffusion and the role of lipophilic drugs in cell membrane absorption. Ideal for pharmacy students and those interested in pharmaceutics.