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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
Q

dissecting microscope is used to study the _______ of the solid specimen

A

surface

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26
Q

dissecting microscope is also called

A

stereoscope
stereoscopic microscope

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26
Q

identify the type of microscope:
An instrument that permits the study of internal cell structure without the need to stain

A

phase- contrast microscope

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26
Q

identify the type of microscope:
used to count platelets

A

phase-contrast microscope

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27
Q

identify the type of microscope:
contrasting-enhancing technique used to identify substances such as crystals in urine and other body fluid

A

polarized light microscope

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28
Q

identify the type of microscope:
it uses a special condenser

A

dark field microscope

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29
Q

identify the type of microscope:
a contrasting-enhancing optical technique

A

phase- contrast microscope

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30
Q

identify the type of microscope:
dark field microscope is helpful in microbiology in the identification of ______

A

spirochetes

31
Q

identify the type of microscope:
Uses a beam of electrons as a source of illumination

A

electron microscope

32
Q

identify the type of microscope:
the dark field microscope uses special condenser to create ______

A

dark background

33
Q

identify the type of microscope:
used for demonstration of very thin bacteria

A

dark field microscope

34
Q

true or false
phase contrast microscope instrument that permits the study of internal cell structure without the need to stain

A

true

35
Q

the living specimen in electron microscope is destroyed by the _______

A

high radiation of electron beam

36
Q

what are the 2 types of electron microscope

A

scanning electron microscope (SEM)
transmission electron microscope (TEM)

37
Q

identify the type of electron microscope:
produce a 3-D image of specimen’s surface features

A

scanning electron microscope

38
Q

identify the type of electron microscope:
produce a 2-dimensional image of specimen

A

transmission electron microscope

39
Q

transmission electron microscope provides detailed structure of______

A

internal surface

40
Q

important parts of a compound microscope:
also known as ocular

A

eyepiece

41
Q

eyepiece has a ____ magnification

A

10x

42
Q

important parts of a compound microscope:
between the ocular and objective lens

A

body tube

43
Q

important parts of a compound microscope:
it is where the microscope is held at

A

arm

44
Q

important parts of a compound microscope:
allows for easy rotation from one objective lens to another

A

nosepiece

45
Q

important parts of a compound microscope:
for magnification

A

objective lenses

46
Q

important parts of a compound microscope:
supports the prepared microscope slide

A

stage

47
Q

important parts of a compound microscope:
to hold the specimen in place

A

stage clips

48
Q

important parts of a compound microscope:
focus light into the specimen

A

condenser lens

49
Q

important parts of a compound microscope:
used to adjust the magnification of objective lens (zoom in and out)

A

coarse adjustment knob

50
Q

important parts of a compound microscope:
to adjust the working distance between the stage and objective lenses

A

fine adjustment knob (for HPO and OIO)

51
Q

important parts of a compound microscope:
light source

A

lamp

52
Q

important parts of a compound microscope:
change the intensity of light

A

diaphragm

53
Q

what are the 2 types of diaphragm:

A

disk diaphragm
iris diaphragm

54
Q

identify the type of diaphragm:
used in old microscope

A

disk diaphragm

55
Q

identify the type of diaphragm:
regulates the amt of light by adjusting the lever

A

iris diaphragm

56
Q

what are the types of brightfield illumination

A

critical illumination
koelher illumination

57
Q

critical illumination, the light source is focused at the _____

A

specimen

58
Q

koehler illumination, the light illumination is focused at the ________

A

condenser aperture diaphragm

59
Q

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

A

numerical aperture

60
Q

NA

A

numerical aperture

61
Q

it regulates the balance between
contrast and resolution

A

numerical aperture

62
Q

what are the 4 magnification

A

scanning
low power objective
high power objective
oil immersion

63
Q

magnification color code of LPO

A

yellow

64
Q

magnification color code of scanning

A

red

65
Q

magnification color code of HPO

A

blue

66
Q

magnification color code of OIO

A

white

67
Q

true or false
carry the microscope with one hand

A

false -carry with two hands

68
Q

true or false
use the fine adjustment when working with the higher objectives

A

true

69
Q

When not in use for an extended period of time, the microscope should be …

A

covered or protected from dust

69
Q

what should you do before and after using the microscope

A

inspect the component parts

70
Q

avoid placing fingers on the ….

A

lens surfaces

71
Q

true or false
you are able to use water to clean the lenses

A

false

72
Q

important parts of a compound microscope:
to adjust the the stage height

A

stage adjustment knob

73
Q

what is the total magnification for scanning electron microscope

A

20 000x

73
Q

what is the total magnification for transmission electron microscope

A

20 million times

74
Q

compound microscope is also known as

A

biological microscope

75
Q

single lens is called

A

loupe

2023 SEM 1 ANAPHY (LAB) (15 decks)

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