Antimicrobics Effective Against a Wide Variety of Microbial Types Are

question 47

Multiple Choice

Antimicrobics effective against a wide variety of microbial types are termed

• A)antibiotics.
• B)narrow-spectrum drugs.
• C)semisynthetic drugs.
• D)synthetic drugs.
• E)broad-spectrum drugs.

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Definitions:

Radiation

The release or conveyance of energy as waves or particles across space or within a material medium.

Archaean Eon

The period of Earth’s history from the formation of the crust approximately 4 billion years ago, until 2.5 billion years ago; life originated during the Archaean.

Oceanic Trenches

Deep, narrow depressions in the ocean floor, formed by the subduction of one tectonic plate under another.

Polar Regions

Areas surrounding the Earth's geographical poles, characterized by extreme cold and seasonal variations in daylight.