Which Statement Regarding Diffusion of Gases Is True

question 218

Multiple Choice

Which statement regarding diffusion of gases is true?

• A) The rapid rate of diffusion of O₂ in water makes respiration more efficient in water-breathing than in air-breathing animals.
• B) Respiratory surfaces in mammals have a thin fluid film to improve diffusion of gases.
• C) In the lungs, extracellular fluid speeds the movement of O₂ into cells.
• D) The slow rate of diffusion of O₂ in water limits efficiency even in air-breathing mammals.
• E) Exchange of respiratory gases in an insect in which air is carried in tracheoles to air capillaries is less efficient that in a fish gill where there is a countercurrent flow system.

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Definitions:

Gage Number

A numerical system that specifies the thickness of sheet metal or wire, the higher the number, the thinner the material.

Material Size

Refers to the physical dimensions of a raw material or component before it is processed or machined into its final form.

Development Drawing

A detailed drawing that provides comprehensive information and specifications for the manufacturing or construction of a part or structure.

Tubular Or Cylindrical

Describes an object having a hollow or solid cylinder shape.