Why Is It Important to Use Only the Fine Adjustment

question 15

Multiple Choice

Why is it important to use only the fine adjustment knob when using the high-power or oil immersion lenses?

• A)Using the coarse adjustment knob might crack the coverslip or slide, due to the close working distance.
• B)You will not be able to focus on the specimen with the coarse adjustment knob.
• C)There will not be enough light on the specimen to see it, if the coarse adjustment knob is used.
• D)The condenser does not function when using the coarse adjustment knob.
• E)The iris diaphragm does not function when using the coarse adjustment knob.

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Definitions:

Vegetative Signs

Physical symptoms primarily associated with severe depression or other psychiatric conditions, such as changes in sleep, appetite, or energy levels.

Laxatives

Substances taken to stimulate bowel movements or to relieve constipation by softening the stool.

Caffeine Intake

The consumption of caffeine, a stimulant found in various foods and drinks, which can affect alertness, energy levels, and sleep patterns.

Major Depressive Disorder

A mental disorder characterized by a pervasive and persistent low mood that is accompanied by low self-esteem and by a loss of interest or pleasure in normally enjoyable activities.