Exercise 1: Learning the Microscope

Question 1

The working parts of a microscope are supported by…

Answer 1

A strong frame consisting of the head, arm and base.

Question 2

The safe parts to hold when carrying the microscope are…

Answer 2

The base and arm.

Question 3

Head of Microscope

Answer 3

1. Upper part of frame
2. Supports lenses.
3. Also called body tube.

Question 4

Arm of Microscope

Answer 4

1. Vertical part of frame.

2. Connects head and base.

Question 5

What is the rheostat on a microscope?

Answer 5

1. Adjusts intensity of light.

2. Also called the light intensity knob.

Question 6

Base of microscope.

Answer 6

1. Bottom part of frame

2. Contains light source.

Question 7

Light source of microscope.

Answer 7

1. Found within the base.

2. Illuminates the specimen.

Question 8

Objective Lenses

Answer 8

Four strengths 
~Scanning lens (4x magnification)
~Low power lens (10x magnification)
~High power lens (40x magnification)
~Oil immersion (100x magnification)

Question 9

Ocular Lens

Answer 9

1. The eyepieces.

2. 10x magnification.

Question 10

Revolving Nosepiece

Answer 10

1. Supports objective lenses

2. Rotates to change objective lens.

Question 11

Side Clips

Answer 11

Holds slide in place on stage.

Question 12

Mechanical Stage

Answer 12

Platform for slide to sit on.

Question 13

Mechanical Stage adjustor Knob

Answer 13

Moves stage forward, back, left or right

Question 14

Fine focus knob

Answer 14

Used for precision focusing.

Question 15

Coarse focus knob

Answer 15

Raises or lowers the stage.

Question 16

Iris Diaphragm

Answer 16

1. Adjusts contrast

2. Opens and closes to regulate the amount of light reaching the condenser.

Question 17

Condenser

Answer 17

1. Lens below the stage

2. Concentrates light onto the specimen.

Question 18

Relationship between magnification and field of view.

Answer 18

The greater the magnification of a lens, the closer it to the slide, so the field of view is smaller and the image appears larger.

Question 19

Field of view for the scanning lens

Answer 19

Highest field of view and the smallest image.

Question 20

Field of view for the low power lens

Answer 20

Intermediate size field of view and intermediate size image.

Question 21

Field of view for the high power lens

Answer 21

Smallest field of view and largest image

Question 22

Cytology

Answer 22

The study of cells.

Question 23

Ocular lens

Answer 23

Eyepieces

Question 24

Field of View

Answer 24

Area of slide visible

Question 25

Head

Answer 25

Supports lenses

Question 26

Stage

Answer 26

Flat platform for slides

Question 27

Scanning lens

Answer 27

Has 4x magnification

Question 28

Arm

Answer 28

Vertical part of microscope frame

Question 29

Nosepiece

Answer 29

Rotates to change objective lenses.

Question 30

Histology

Answer 30

The study of tissues.

Question 31

Base

Answer 31

Bottom of microscope frame.

Question 32

Slide Clips

Answer 32

Holds slide onto stage.

Question 33

Light Source

Answer 33

Illuminates the specimen

Question 34

Iris Diaphragm

Answer 34

Adjusts contrast

Question 35

Simple microscope

Answer 35

Has a single lens

Question 36

Condensor

Answer 36

Lens below the stage

Question 37

High power lens

Answer 37

Has 40x magnification

Question 38

Fine focus knob

Answer 38

Used for precision focusing

Question 39

Compound Microscope

Answer 39

Has a series of lenses

Question 40

Coarse focus knob

Answer 40

Raises or lowers stage

Question 41

Low power lens

Answer 41

Has 10x magnification

Question 42

Lens paper

Answer 42

Used to clean lenses

Question 43

Gross anatomy

Answer 43

Large enough to see with the naked eye.

Question 44

Anatomy & Physiology labs typically use the ____ microscope.

Answer 44

Compound light.

Question 45

Which of the following is NOT part of the microscope frame? Arm Base Stage Head

Answer 45

Stage

Question 46

Another name for the rheostat is _____?

Answer 46

Light intensity knob.

Question 47

The ____ supports the objective lenses.

Answer 47

Revolving nosepiece

Question 48

The ____ is a stage for slides

Answer 48

Mechanical stage

Question 49

The iris diaphragm changes the

Answer 49

Amount of contrast

Question 50

When the high power lens is in place, the total magnification of the microscope is?

Answer 50

400x

Question 51

The field of view is largest when the ____ lens is being used

Answer 51

Scanning power.