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2023 SEM 1 ANAPHY (LAB) > Microscope > Flashcards

Microscope Flashcards

1
Q

An optical instrument designed to produce magnified visual or photographic images of small objects

A

microscope

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2
Q

The first vision instrument

A

reading stone

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3
Q

when was the reading stone invented

A

1000AD

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4
Q

An eyeglass maker experimented with multiple lenses which were placed in a tube

A

Zacharias Janssen and his dad

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5
Q

which century did Zacharias Janssen experimented with multiple lenses which were placed in a tube

A

16th century

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6
Q

father of microscopy

A

Anton Van Leeuwenhoek

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7
Q

father of microbiology

A

Anton Van Leeuwenhoek

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8
Q

First person to see and describe bacteria, protozoa, yeast, and sperm

A

Anton Van Leeuwenhoek

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9
Q

The first to use the basic microscope with 2 converging lens system

A

Robert Hooke

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10
Q

book that contains all the principles of the compound microscope

A

Micrographia

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11
Q

First man to discover the cellular structure of cork

A

Robert Hooke

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12
Q

who is under 17th century

A

Anton Van Leeuwenhoek
Robert Hooke

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13
Q

Invented the Phase-Contrast Microscope that is used for the study of colorless and transparent biological materials

A

Frits Zernike

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14
Q

when did Frits Zernike invented the phase-contrast microscope

A

1930

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15
Q

Frits Zernike invented the Phase-Contrast Microscope that is used for the study of ______and ______ biological materials

A

colorless
transparent

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16
Q

Invented the electron microscope

A

Ernst Ruska and Max Knoll

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17
Q

the electron microscope can magnify up to _______

A

1 million times

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18
Q

when did Ernst Ruska and Max Knoll invented the electron microscope

A

1931

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19
Q

identify the type of microscope:
natural light is the source to see the object

A

simple microscope

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20
Q

identify the type of microscope:
condenser not present and non - adjusting magnification

A

simple microscope

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21
Q

identify the type of microscope:
most commonly used

A

compound microscope

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22
Q

what are the 2 lens system used by compound microscope to magnify the image

A

objective lens
ocular lens

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23
Q

identify the type of microscope:
Can have up to 4 objective lenses of different magnifications

A

compound microscope

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24
Q

identify the type of microscope:
The image that appears is three-dimensional

A

dissecting microscope

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25
dissecting microscope is used to study the _______ of the solid specimen
surface
26
dissecting microscope is also called
stereoscope stereoscopic microscope
26
identify the type of microscope: An instrument that permits the study of internal cell structure without the need to stain
phase- contrast microscope
26
identify the type of microscope: used to count platelets
phase-contrast microscope
27
identify the type of microscope: contrasting-enhancing technique used to identify substances such as crystals in urine and other body fluid
polarized light microscope
28
identify the type of microscope: it uses a special condenser
dark field microscope
29
identify the type of microscope: a contrasting-enhancing optical technique
phase- contrast microscope
30
identify the type of microscope: dark field microscope is helpful in microbiology in the identification of ______
spirochetes
31
identify the type of microscope: Uses a beam of electrons as a source of illumination
electron microscope
32
identify the type of microscope: the dark field microscope uses special condenser to create ______
dark background
33
identify the type of microscope: used for demonstration of very thin bacteria
dark field microscope
34
true or false phase contrast microscope instrument that permits the study of internal cell structure without the need to stain
true
35
the living specimen in electron microscope is destroyed by the _______
high radiation of electron beam
36
what are the 2 types of electron microscope
scanning electron microscope (SEM) transmission electron microscope (TEM)
37
identify the type of electron microscope: produce a 3-D image of specimen's surface features
scanning electron microscope
38
identify the type of electron microscope: produce a 2-dimensional image of specimen
transmission electron microscope
39
transmission electron microscope provides detailed structure of______
internal surface
40
important parts of a compound microscope: also known as ocular
eyepiece
41
eyepiece has a ____ magnification
10x
42
important parts of a compound microscope: between the ocular and objective lens
body tube
43
important parts of a compound microscope: it is where the microscope is held at
arm
44
important parts of a compound microscope: allows for easy rotation from one objective lens to another
nosepiece
45
important parts of a compound microscope: for magnification
objective lenses
46
important parts of a compound microscope: supports the prepared microscope slide
stage
47
important parts of a compound microscope: to hold the specimen in place
stage clips
48
important parts of a compound microscope: focus light into the specimen
condenser lens
49
important parts of a compound microscope: used to adjust the magnification of objective lens (zoom in and out)
coarse adjustment knob
50
important parts of a compound microscope: to adjust the working distance between the stage and objective lenses
fine adjustment knob (for HPO and OIO)
51
important parts of a compound microscope: light source
lamp
52
important parts of a compound microscope: change the intensity of light
diaphragm
53
what are the 2 types of diaphragm:
disk diaphragm iris diaphragm
54
identify the type of diaphragm: used in old microscope
disk diaphragm
55
identify the type of diaphragm: regulates the amt of light by adjusting the lever
iris diaphragm
56
what are the types of brightfield illumination
critical illumination koelher illumination
57
critical illumination, the light source is focused at the _____
specimen
58
koehler illumination, the light illumination is focused at the ________
condenser aperture diaphragm
59
the equation that descries the relationship of the angle of light that the objective collects and the refractive index of the medium between the specimen and the objective
numerical aperture
60
NA
numerical aperture
61
it regulates the balance between contrast and resolution
numerical aperture
62
what are the 4 magnification
scanning low power objective high power objective oil immersion
63
magnification color code of LPO
yellow
64
magnification color code of scanning
red
65
magnification color code of HPO
blue
66
magnification color code of OIO
white
67
true or false carry the microscope with one hand
false -carry with two hands
68
true or false use the fine adjustment when working with the higher objectives
true
69
When not in use for an extended period of time, the microscope should be ...
covered or protected from dust
69
what should you do before and after using the microscope
inspect the component parts
70
avoid placing fingers on the ....
lens surfaces
71
true or false you are able to use water to clean the lenses
false
72
important parts of a compound microscope: to adjust the the stage height
stage adjustment knob
73
what is the total magnification for scanning electron microscope
20 000x
73
what is the total magnification for transmission electron microscope
20 million times
74
compound microscope is also known as
biological microscope
75
single lens is called
loupe

2023 SEM 1 ANAPHY (LAB) (15 decks)

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