The focus controls of the microscope are located on the ____. 

A. oculars
B. stage
C. objective
D. substage
E. arm


E. arm
The focus controls are located on the arm of the microscope.

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A(n) ______________is a large open space multi-story high with a glazed roof

a. smoke ventilation shaft b. atrium c. elevator shaft d. stairwell

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If a spill should occur in the lab, which of the the following agents is used for cleanup:

a. 2% phenol b. 10% bleach c. 10% phenol d. 3% bleach

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Vertical positioning will show more open contacts of the premolar

a. True b. False Indicate whether the statement is true or false

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Opportunistic parasites usually cause disease only in immunosuppressed hosts.

Answer the following statement true (T) or false (F)

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