A Vital Capacity (VC) Value Below What Value Indicates Significant

question 39

Multiple Choice

A vital capacity (VC) value below what value indicates significant muscle weakness?

• A) 10 to 15 ml/kg
• B) 20 to 25 ml/kg
• C) 30 to 40 ml/kg
• D) 50 to 60 ml/kg

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Definitions:

Fractured Granite

Rock that has been broken or cracked, particularly granite, making it more permeable or weak.

Porosity

The measure of void spaces in a material, expressed as a percentage of the volume of voids over the total volume, indicating how much fluid a rock can hold.

Groundwater Flowing

The movement of water beneath the Earth's surface through soil and rock formations.

Subsurface Material

Material (such as rocks, soil, and sediment) found beneath the surface layer of the Earth, important in geotechnical engineering and environmental studies.