What Is Considered to Be the Minimum Acceptable FEV1/FVC Ratio

question 60

Multiple Choice

What is considered to be the minimum acceptable FEV1/FVC ratio for older adults?

• A) 65%
• B) 75%
• C) 83%
• D) 90%

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Definitions:

Drainage Pattern

The arrangement of channels in an area, shaped by the landscape's topography and underlying geology.

Erosion Resistance

The ability of a material, especially rock or soil, to withstand the wear and tear caused by natural forces such as water, wind, and ice.

Fractures

Breaks, cracks, or breaks in rock, which can occur naturally due to stress or artificially through human activity.

Flow Event

A flow event is a hydrological term describing a significant movement of water, such as in a river or stream, often in response to heavy rainfall or snowmelt.