If a Scuba Diver Inhaled Air at 3 Bar Pressure

question 13

Multiple Choice

If a scuba diver inhaled air at 3 bar pressure deep in the water and decided to swim back quickly to the surface while holding her breath, what do you expect would happen?

• A) The volume of the air in her lungs would increase by a factor of 3.
• B) The volume of the air in her lungs would decrease by a factor of 3.
• C) The volume of the air in her lungs would increase by a factor of 6.
• D) The volume of the air in her lungs would decrease by a factor of 6.
• E) The volume of the air in her lungs would not change.

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Definitions:

G Protein

A type of protein that acts as a molecular switch inside cells, playing a critical role in transmitting signals from various stimuli outside the cell.

Blood Levels

Typically refers to the concentration of substances (such as glucose, hormones, or drugs) circulating within the bloodstream.

Endocrine Glands

Glands of the endocrine system that release hormones directly into the bloodstream to regulate various bodily functions.

Exocrine Glands

Exocrine glands are glands that release their secretions through ducts directly into external environments or body surfaces, such as sweat, salivary, and digestive glands.