Which Type of Ventilation System Provides a Supply of Clean

question 27

Multiple Choice

Which type of ventilation system provides a supply of clean air and reduces contaminants and fumes from the OR?

• A) negative, bidirectional
• B) negative, unidirectional
• C) positive, bidirectional
• D) positive, unidirectional

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Definitions:

Former Slaves

Individuals who were previously enslaved and have since gained their freedom, particularly in reference to the historical context of slavery in various regions.

Importation Of Slaves

The historical practice of bringing enslaved African people to various parts of the world, especially to the Americas, through the transatlantic slave trade.

Louisiana Purchase

The acquisition of the Louisiana territory by the United States from France in 1803, which doubled the size of the U.S. and opened up the country for westward expansion.

Slave Society

A society in which the institution of slavery impacts all aspects of life, including economic, social, and political structures.