Which Statement About Gas Exchange Is False

question 26

Multiple Choice

Which statement about gas exchange is false?

• A) The thicker the respiratory membrane, the Level of Difficulty: 3 Harder it is for gases to diffuse across it.
• B) Gases must be able to dissolve in water if they are to diffuse across a membrane into the blood.
• C) The greater the area of respiratory membrane, the greater the opportunity for gas exchange.
• D) The lesser the concentration gradient, the more diffusion takes place.

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Definitions:

Hans Selye

A pioneering Hungarian-Canadian endocrinologist known for his research on the stress response and the development of the general adaptation syndrome (GAS) theory.

Epinephrine Levels

The concentration of epinephrine, also known as adrenaline, in the body which can increase in response to stress or fear, enhancing alertness and physical readiness.

Stress

The body's response to any demand or challenge, which can be triggered by both positive and negative experiences and can affect mental and physical health.

Stress Response

A physical and psychological reaction to a demand or threat, involving release of stress hormones and activation of the sympathetic nervous system.