Macrophages

question 51

Multiple Choice

Macrophages

• A) phagocytize invading microbes
• B) produce proteins that digest bacterial cell walls.
• C) release chemicals that initiate blood clotting.
• D) cannot squeeze through capillary walls.
• E) are large, ciliated cells found in tears, saliva, and mucus.

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Definitions:

Catastrophic Melting

Rapid melting of ice or snow, often due to volcanic activity or sudden climate change, that can lead to significant water flow or flooding.

Pyroclastic Flow

A fast-moving current of hot gas and volcanic materials (ash, lava fragments) that flows down the sides of a volcano during an explosive eruption.

Lahar

A mudflow mostly composed of volcanic-derived materials and generally formed on the flank of a volcano.

Composite Volcanoes

Volcanoes constructed from multiple layers of lava flows, volcanic ash, and other volcanic debris, characterized by steep profiles and periodic explosive eruptions.