Which of the Following Types of Supplied Air Respirators Might

question 75

Multiple Choice

Which of the following types of supplied air respirators might explode if immersed in water?

• A)pressure demand
• B)sulfur dioxide reactor unit
• C)chemical oxygen generating unit
• D)demand flow

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Definitions:

Melanin

A dark pigment present in many animals; contributes to the color of the skin.

Lignin

A complex organic polymer deposited in the cell walls of many plants, making them rigid and woody, and contributing to the structural integrity of the plant.

Parenchyma Cells

Fundamental tissue composed of thin-walled cells that function in photosynthesis, storage, and as the bulk of ground and vascular tissues.

Starch Grains

Microscopic granules consisting of starch, stored as an energy reserve within the cells of plants, especially within tubers and seeds.