A Microbiology Student with a Visual Disability Is Viewing a Sample

question 10

Multiple Choice

A microbiology student with a visual disability is viewing a sample of Bacillus endospores in a phase contrast microscope that is linked to an iPad. By "stretching" the image on the iPad screen, the student can increase the apparent size of the endospores. How does this manipulation affect
Resolution and contrast? (No software is being used to alter the image!)

• A) Only the magni?cation can be increased; resolution and contrast are unchanged.
• B) Contrast will improve because the microscope is phase-contrast.
• C) Both magni?cation and resolution increase; contrast is unchanged.
• D) Resolution and magni?cation will decrease because the screen is not as good as the human eye.

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Definitions:

Interest-Rate Cost-Of-Funds

The cost to borrowers or the rate paid to savers and investors based on the interest rates in the financial markets or the rate of return required on investment funds.

Marginal Cost Curve

A graphical representation depicting the cost added by producing one more unit of a particular good, often upward sloping due to increasing costs.

Total Product Curve

A graphical representation that shows the total quantity of output a firm produces, given a fixed amount of inputs, as the amount of one input varies.

Marginal Revenue Curve

A graphical representation showing the change in total revenue that results from selling one additional unit of a product or service.