Why Is Immersion Oil Often Used When Viewing Specimens Under

question 48

Multiple Choice

Why is immersion oil often used when viewing specimens under the microscope?

• A)to stain the cells blue
• B)to prevent the smear from drying out
• C)to slow bacterial movement so you can see cells better
• D)to increase the resolution
• E)to reduce the amount of heat reaching the slide from the light source

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Definitions:

Overhead Allocation Base

A measure or activity, such as direct labor hours or machine hours, used to assign overhead costs to products or services.

Direct Labor Hours

The total hours worked directly on a product or service by employees in the production process.

Overhead Rate

A measure used to allocate overhead costs to produced goods, calculated by dividing total overheads by an allocation base, such as labor hours.

Departmental Overhead Rates

Specific rates used to allocate overhead costs to different departments within a company based on varying criteria.