Compound Microscope Parts Quiz

1. You are beginning with the lowest-power objective and need to bring the specimen into general focus. Which control is normally used first?

2. Which structural part forms the microscope's bottom support and helps keep the instrument stable on the work surface?

3. The specimen is focused, but the area you want to inspect is near the edge of the field. Which controls let you move the slide precisely left-right and forward-back?

4. Which microscope part rotates to place a different objective lens over the specimen?

5. A specimen is almost focused under high power, but its details remain slightly blurry. Which control should you use?

6. A microscope has a 10× ocular lens and a 40× objective lens. What total magnification does this combination provide?

7. You want to move from a broad view of a specimen to a more highly magnified view. Which component supplies the new magnification when rotated into place?

8. While identifying parts from the side, you see a short lens positioned just above the slide. What is it?

9. On which part is the prepared slide placed for viewing?

10. When carrying a standard compound microscope with two hands, which part should one hand hold while the other supports the base?

11. A slide shifts whenever the microscope is moved slightly. Which part is intended to secure the slide on the stage?

12. Which part holds the eyepiece assembly above the revolving nosepiece and maintains the optical path between them?

13. No light appears when you look through the eyepiece, and the microscope's lamp is switched off. Which part must be turned on to provide light?

14. Which part do you look through to view the magnified specimen?

15. Which component is adjusted primarily to regulate how much light passes through the specimen?

16. Light from the illuminator is not being concentrated properly on the specimen. Which optical component should you check?