MICROANATOMY

INTRODUCTION TO MICROSCOPY CELL BIOLOGY

MICROSCOPY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Moves stage up and down to focus specimen
A
Stage
B
Body tube
C
Diaphragm
D
Coarse adjustment
Explanation: 

Detailed explanation-1: -Coarse Adjustment Knob-The coarse adjustment knob located on the arm of the microscope moves the stage up and down to bring the specimen into focus. The gearing mechanism of the adjustment produces a large vertical movement of the stage with only a partial revolution of the knob.

Detailed explanation-2: -Answer and Explanation: In order to focus on an object, one should move the stage away from the objective lenses rather than toward each other as this prevents any damage from occurring. By moving these parts away from one another one is able to prevent any blurriness caused by being too close.

Detailed explanation-3: -Stage adjustment knobs – located below the stage to control forward/reverse and side to side movement of the stage. Coarse adjustment knob – for focusing ONLY when using scanning objective lens. Fine adjustment knob –brings object into clearest focus.

Detailed explanation-4: -Start by rotating the objective lens to lowest power. Place a slide on the stage, label side up, with the coverslip centered. On LOW POWER ONLY, use the coarse focus knob to get the object into focus. If you cannot see anything, move the slide slightly while viewing and focusing. More items

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