Exercise Lab 1

Question 1

Only objects ______ and larger can be visualized by the human eye

Answer 1

0.1mm

Question 2

In general, the diameter of microorganisms ranges from _________

Answer 2

0.2-2.0 microns

Question 3

A microscope that uses light as a source of illumination

Answer 3

Light microscope

Question 4

Magnifies the specimen

Answer 4

Eyepiece

Question 5

Holds and rotates objective lens

Answer 5

Revolving nosepiece

Question 6

Magnifies and projects the specimen with scanner, lp, hp lenses

Answer 6

Objective lens

Question 7

Where you place the specimen to position it for observation

Answer 7

Stage

Question 8

It is part of the stage where it holds the glass slide in position

Answer 8

Stage clip

Question 9

Controls the amount of lighting entering

Answer 9

Diaphragm/iris

Question 10

Located at the bottom of the microscope and it is used for support

Answer 10

Base

Question 11

It is above the diaphragm that focuses the light in the specimen

Answer 11

Condenser

Question 12

Moves the stage up or down to focus on the specimen

Answer 12

Course adjustment knob

Question 13

Sharpens the image of specimen

Answer 13

Fine adjustment knob

Question 14

A knob that controls the stage left and right and up and down

Answer 14

Stage control

Question 15

It reflects the light that is being used to make the specimen clearer to see

Answer 15

Mirror

Question 16

Used to view, magnify, and examine objects, specimens, and cellular structures that are too small to be seen by the naked eye

Answer 16

Microscope

Question 17

4x
10x
40x

Answer 17

Scanner lens
Lower power lens
High power lens

Question 18

Upside down and backwards, see the whole “e” at the center

Answer 18

4x lens letter e

Question 19

Upside down and backwards but more magnified, intertwining fibers can be seen

Answer 19

10x letter e

Question 20

Upside down and backwards but much more magnified, merely patterns of fibers can be seen

Answer 20

40x letter e