Read the Scenario Above

question 42

Multiple Choice

Read the scenario above.If the population is maintained on media that lacks rifampin,what is expected to occur over a period of time?

• A)The rifampin resistant bacteria will increase in proportion compared to the rifampin susceptible bacteria.
• B)The rifampin susceptible bacteria will increase in proportion to the rifampin resistant bacteria.
• C)The rifampin susceptible bacteria and the rifampin resistant bacteria will remain in approximately equal proportions.

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Definitions:

Accommodation

The ability of the eye to change its focus from distant to near objects, involving the lens changing shape.

Constricts

To narrow or become tighter, often referring to the narrowing of blood vessels or other tubular structures.

Accommodation Reflex

The process by which the eye changes optical power to maintain a clear image or focus on an object as its distance varies.

Photopupillary Reflex

The reflex constriction of the pupils when the eyes are exposed to bright light.