GENERAL HISTOLOGY

INTRODUCTION

MICROSCOPE PARTS MAGNIFICATION RESOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The ____ is the large knob used to focus on the specimen. It moves the stage part of the microscope up and down. This is only used on low power.
A
fine adjustment knob
B
coarse adjustment knob
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Coarse-Adjustment Knob: On each side of the microscope (close to the base) is a large knob with a smaller knob in the middle. This large knob is used to bring an object into close focus as it moves the stage ( l ) up or down.

Detailed explanation-2: -COARSE ADJUSTMENT KNOB-A rapid control which allows for quick focusing by moving the objective lens or stage up and down. It is used for initial focusing. 5. FINE ADJUSTMENT KNOB-A slow but precise control used to fine focus the image when viewing at the higher magnifications.

Detailed explanation-3: -Focusing knobs: located on both sides of the microscope. The larger, inner coarse adjustment knob moves the stage up and down much faster and farther than the smaller, outer fine adjustment knob. The coarse adjustment knob is used ONLY with the low power (4X, 10X) objectives.

Detailed explanation-4: -Coarse adjustment knob-Focuses the image under low power (usually the bigger knob) Fine adjustment knob-Sharpens the image under all powers (usually the smaller knob) Arm-supports the body tube and is used to carry the microscope.

There is 1 question to complete.