Microscope Lab Flashcards Preview

CB Lab Exam 2 > Microscope Lab > Flashcards

Flashcards in Microscope Lab Deck (40)
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1
Q

1

A

Head

2
Q

2

A

Nosepiece Objective Turret

3
Q

3

A

Stage

4
Q

4

A

Iris Disphragm

5
Q

5

A

Condeser

6
Q

6

A

Illumination System

7
Q

7

A

Base

8
Q

8

A

Eyepiece

9
Q

9

A

Eyepiece Tube

10
Q

10

A

Objectives

11
Q

11

A

Frame

12
Q

12

A

Coarse Focus

13
Q

13

A

Fine Focus

14
Q

14

A

Stage Adjustment Knobs

15
Q

15

A

Illumination Intensity Knob

16
Q

Total Magnification Equasion

A

Objective Lens Power X Ocular Lens Power

17
Q

Dpth of Field

A

The thickness of a specimen that can be viewed at one time

18
Q

A microscope with a minimum of two magnifying lenses

A

Compount Microscope

19
Q

smallest or red collor objective lens

A

4X, scanning objective lens

20
Q

yellow lens

A

low power lens, 10X

21
Q

Blue Lens

A

40X

22
Q

Ocular

A

lens in the eyepiece, which typically has a magification of 10X

23
Q

Head

A

Supports the two sets of magnifying lenses

24
Q

The circle of light that one sees in the microscope

A

field of view

25
Q

objectives

A

three lenses on the revolving nosepiece

26
Q

scanning lens

A

4X

27
Q

Intermediate Lens

A

10X

28
Q

High Power Lens

A

40X

29
Q

supports the stage and condeser lens

A

arm

30
Q

used to focus the light from the lam through the specimen

A

condenser lens

31
Q

adjusts the height of the condenser

A

adjustment knob

32
Q

controls the width of the circle of light, and the amount of light passing through the specimen

A

iris diaphragm

33
Q

supports the specimen to be viewed

A

stage

34
Q

features that can move the stage back and fourth and left to right

A

stage adjustment knobs

35
Q

feature that allows for the intensity of light to be adjusted

A

light intensity lever

36
Q

Coarse focus knob

A

moves the stage dramatically up and down

37
Q

Solution to problem: when changing the magnification from 10X to 40X, the specimen dissapears

A

you should change the ocular lens back to 10X and center the specimen

38
Q

Solution to Problem: The field of view is too dark

A

light intensity knob is turned to low

the iris diaphragm is not open enough

39
Q

Solution to problem: You are not seeing the details in your specimen or are not able to identify structures that you hace been asked to recognize

A

fine foucus, course focus, change lens

40
Q

/structures that distinguish a plant from an animal cell

A

cell walls, chloroplasts, nuclear nuclear envelope?