Chapter 3: The Microscope

Question 1

What does resolution refer to?

Answer 1

The ability to distinguish between 2 objects

Question 2

What is the base?

Answer 2

Supportive piece at the bottom of the microscope

Question 3

Light source within the base

Answer 3

Sub stage light

Question 4

Dial that adjusts the light intensity

Answer 4

Rheostat

Question 5

Upper part of the microscope that contains lenses to view the specimen

Answer 5

Head

Question 6

Lenses that you look through to view the specimen (and their magnification)

Answer 6

Ocular lenses (10X)

Question 7

Attachment for the objectives lenses

Answer 7

Nosepiece

Question 8

Rotating lenses that allow you to change the magnification

Answer 8

Objective lenses

Question 9

Structure that connects the head and the base of the microscope

Answer 9

Arm

Question 10

Flat platform that the slides are placed on

Answer 10

Stage

Question 11

Apparatus to move the stage left/right/back/forward

Answer 11

Mechanical stage adjustment knobs

Question 12

Apparatus to move the stage up and down (in large increments)to bring the specimen into focus

Answer 12

Coarse adjustment knob

Question 13

Apparatus that raises/lowers the stage by small increments

Answer 13

Fine adjustment knob

Question 14

Lens that concentrates light onto the specimen (where is it located)?

Answer 14

Condenser; below the stage

Question 15

Apparatus beneath the diaphragm that opens and closes the iris diaphragm

Answer 15

Iris diaphragm lever

Question 16

Apparatus that regulates the amount of light passing through the condenser

Answer 16

Iris diaphragm

Question 17

Piece that controls the focus of light on the specimen

Answer 17

Condenser

Question 18

Name the objective lenses in order of increasing magnification

Answer 18

Scanning, low-power, high-dry, oil-immersion

Question 19

Apparatus that hold the slide onto the stage

Answer 19

Mechanical stage

Question 20

How do you control the contrast?

Answer 20

Move the iris diaphragm lever