Which of the Following Statements About Gas Exchange in Animals

question 71

Multiple Choice

Which of the following statements about gas exchange in animals with interacting circulatory and respiratory systems is FALSE?

• A) Carbon dioxide moves from the tissues into the blood by diffusion.
• B) Oxygen is actively transported into the circulatory system.
• C) Air or water moves across the respiratory surface by bulk flow.
• D) Gases are transported in the circulatory system by the bulk flow of blood.
• E) Oxygen and carbon dioxide pass through respiratory membranes by diffusion.

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Definitions:

Major Organic Product

The primary product of a chemical reaction involving organic compounds, typically the one produced in the greatest yield.

Stepwise Mechanism

A reaction mechanism that occurs in multiple discrete stages, with each step having its own transition state and intermediates.

Approximate pKa

An estimate of the pKa value, indicative of the acid dissociation constant of a molecule, reflecting its acidity strength.

Acetone

A volatile, flammable, and colorless liquid commonly used as a solvent and in the production of chemicals.