If a fire wall is required to have a fire-resistance rating of 4 hours, openings are frequently protected on each side with which of the following?

A. 2-hour rated fire door
B. 3-hour rated fire door
C. 4-hour rated fire door
D. 5-hour rated fire door


B

Health Professions

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What is sequenced first when a modified neck dissection is performed?

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Indicate whether the statement is true or false

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