Fluid & Electrolyte Q 69 - Gyan Darpan : Learning Portal
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Monday, 28 March 2022

Fluid & Electrolyte Q 69

Osmotic pressure is created through the process of:
    A. Osmosis
    B. Diffusion
    C. Filtration
    D. Capillary dynamics

Correct Answer: B. Diffusion

In diffusion, the solute moves from an area of higher concentration to one of lower concentration, creating osmotic pressure. There is a form of passive transport called facilitated diffusion. It occurs when molecules such as glucose or amino acids move from high concentration to low concentration facilitated by carrier proteins or pores in the membrane.

Option A: Osmotic pressure is related to the process of osmosis. Osmosis is a form of passive transport when water molecules move from low solute concentration(high water concentration) to high solute or low water concentration across a membrane that is not permeable to the solute.
Option C: Filtration is created by hydrostatic pressure. Filtration is a process used to separate solids from liquids or gases using a filter medium that allows the fluid to pass through but not the solid. The term “filtration” applies whether the filter is mechanical, biological, or physical. The fluid that passes through the filter is called the filtrate.
Option D: Capillary dynamics are related to fluid exchange at the intravascular and interstitial levels. Capillary dynamics are controlled by the four Starling forces. Oncotic pressure is a form of osmotic pressure exerted by proteins either in the blood plasma or interstitial fluid. … The net filtration pressure is the balance of the four Starling forces and determines the net flow of fluid across the capillary membrane.

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