Which of the Following Is Not an Adverse Consequence of Tidal

question 127

Multiple Choice

Which of the following is not an adverse consequence of tidal breathing as seen in mammals?

• A) Absence of countercurrent gas exchange
• B) Dead space
• C) Residual volume
• D) Short diffusion path length
• E) Limit in the O₂ concentration gradient between air and blood

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Definitions:

Residual Volume

The amount of air that remains in a person's lungs after fully exhaling, ensuring that the lungs do not collapse.

Lungs Collapse

Lung collapse, also known as pneumothorax, occurs when air leaks into the space between the lung and chest wall, causing the lung to collapse.

Hemoglobin

A protein in red blood cells that carries oxygen from the lungs to the rest of the body and returns carbon dioxide from the body to the lungs.

Bicarbonate Ions

A significant metabolic intermediate that regulates blood pH, involved in buffering systems, and represented chemically as HCO3-.