Why Does It Take Approximately 24 Hr for a Full

question 21

Multiple Choice

Why does it take approximately 24 hr for a full ventilatory response to develop to acute hypoxemia?

• A) Initial cerebrospinal fluid alkalemia blunts the hypoxic ventilatory stimulus.
• B) Peripheral chemoreceptors are slow to respond to decreased blood O₂ levels.
• C) Renal compensation for respiratory alkalosis increases chemoreceptor sensitivity.
• D) A full ventilatory response is not possible until after the muscles become fatigued.

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Definitions:

Coastal Zone

The interface between land and sea, including both coastal waters and shorelines, which is characterized by its unique ecosystems and is subject to specific environmental pressures.

Abyssal Zone

A deep-sea region characterized by very high pressure, low temperatures, and complete darkness, found at depths of about 2,000 to 6,000 meters.

Benthic Zone

The ecological region at the lowest level of a body of water, including the sediment surface and sub-surface layers, home to a wide variety of organisms.

Economic Service

Activities or benefits that contribute to the economic health of an area, often involving the production, distribution, and consumption of goods and services.