5 Written Questions

1. Ability to discriminate 2 close objects
2. Eyepiece
3. Used to focus on the specimen
4. Lens is not correctly rotated into place
5. Parfocal

5 Matching Questions

1. Used for precise focusing once initial focusing has been done
2. Used to increase the amount of light passing through the specimen
3. Why should the light be dimmed when looking at living (nearly transparent) cells?
4. Assume there is an object on the left side of the field that you want to bring to the center (that is, toward the apparent right). In what direction would you move your slide?
5. Working distance

1. a Iris diaphragm
2. b To the left
3. c Fine adjustment knob
4. d It increases the contrast
5. e The distance from the bottom of the objective lens in use to the specimen is called the

5 Multiple Choice Questions

1. Mechanical stage or spring clips
   1. Head or body tube
   2. Secures the slide to the stage
   3. Substage light or mirror
   4. Objective lenses
2. Vertical portion connecting the base and head
   1. Arm
   2. Stage
   3. Base
   4. Ocular
3. Located in the base. Light passes directly upward through the microscope
   1. Stage
   2. Resolution
   3. Iris diaphragm lever
   4. Substage light or mirror
4. Decrease
   1. Does the resolution increase or decrease at higher magnification?
   2. Delivers a concentrated beam of light to the specimen
   3. Does the amount of light needed increase or decrease at higher magnification?
   4. Does the working distance increase or decrease at higher magnification?
5. Specimen on slide with medicine dropper
   Mix with toothpick
   Add stain and mix
   Cover with coverslip
   1. Secures the slide to the stage
   2. Proper procedure for preparing a wet mount
   3. Iris diaphragm lever
   4. Head or body tube

5 True/False Questions

1. Objective lenses → Adjustable lens system

   True        False

2. Field does not change as mechanical stage is moved → Slide is not correctly positioned in the clamp

   True        False

3. Stage → Platform the slide rests on while being viewed

   True        False

4. Does the resolution increase or decrease at higher magnification? → Decrease

   True        False

5. Nosepiece → Supports the microscope

   True        False