microscope

Question 1

what occurs on the 1st century

Answer 1

the Romans experimented with glass.
they found the objects to appear bigger

Question 2

in the 12th century, Salvino D’Armate made the

Answer 2

first eye glass

Question 3

when and who did the 2 dutch made the first compound microscope. how did they do it

Answer 3

1590
zacharias jansen and his dad
by mounting 2 lenses in a tab

Question 4

who developed the compound microscope with convex and concave mirror

Answer 4

galileo galilei

Question 5

who is the author of the book micrograph

Answer 5

Robert Hooke

Question 6

micrograph is a book that

Answer 6

documented wide range of observations through microscope

Question 7

who achieve greater magnification of the microscope and when

Answer 7

anton van leeuwenheok
1674

Question 8

in 1826, what did joseph jackson acheve

Answer 8

achromatic lense to eradicate the chromatic effect

Question 9

Ernst Ruska build the…. in…

Answer 9

first electron microscope
1931

Question 10

what is the oldest ad simplest MC

Answer 10

optical microscope

Question 11

single lens in MC is called

Answer 11

loupe

Question 12

what is the source of light used in simple MC

Answer 12

natural light

Question 13

is there condenser in simple MC

Answer 13

no

Question 14

is the magnification adjustable in simple MC

Answer 14

no

Question 15

what is the most commonly used MC

Answer 15

compound MC

Question 16

compound MC is also known as

Answer 16

biological microscope

Question 17

do compound microscope uses condenser

Answer 17

yes

Question 18

what is being used to magnify image in compound microscope

Answer 18

compound lens system

Question 19

dissecting microscope is also known as

Answer 19

stereoscopic MC

Question 20

stereoscopic MC is used to …

Answer 20

manipulate
probe
separate tissues

Question 21

why do dissecting MC has an image of 3D

Answer 21

to observe live specimen
to perform dissectionw

Question 22

what is the source of light for electron MC

Answer 22

electron

Question 23

what MC is used in biomedical research

Answer 23

electron MC

Question 24

what are the 2 types of electron MC

Answer 24

scanning electron MC
transmission electron MC

Question 25

what are the similarities between TEM and SEM

Answer 25

they both produce a high magnified image

Question 26

what are the difference between TEM and SEM

Answer 26

TEM - 20 000x SEM - 20 millionx total magnification differs

Question 27

which MC appears brightly lit against dark backgrounds

Answer 27

dark field

Question 28

which MC is usually used in platelet

Answer 28

phase contrast MC

Question 29

name the part that supports MC

Answer 29

base

Question 30

name the part that supports tube and connects to the base

Answer 30

arm

Question 31

name the part that holds 2 or more objective lens and can rotate easily to change power

Answer 31

revolving nose system

Question 32

name the part that has a horizontal platform with central opening

Answer 32

stage

Question 33

name the part that gives controlled movement to the objects on the slides

Answer 33

mechanical stage

Question 34

name the part that reflects light rays from source to object. one side is concave mirror while the other is a plane mirror

Answer 34

mirror

Question 35

name the part that focuses the light

Answer 35

condenser

Question 36

name the part that regulate the amount of light intensity passing into the condenser

Answer 36

diaphragm

Question 37

name the part that on and off the light

Answer 37

power switch

Question 38

name the part that holds the slides

Answer 38

stage clips

Question 39

name the part that has a maximum and minimum of lowering stage

Answer 39

stage stop

Question 40

name the part that moves stage left and right

Answer 40

stage adjustment

Question 41

name the part that focus light of specimens and control the light elimination

Answer 41

condenser adjustment

Question 42

name the part that reguates light intensity

Answer 42

rheostat control knob

Question 43

name the part that raises or lowers the stage to bring image into focus

Answer 43

coarse adjustment

Question 44

name the part that brings image to sharp focus

Answer 44

fine adjustment

Question 45

what are the type of magnifying object

Answer 45

4x scanner objective 10x low power objective 40x high power objective 100x oil immersion objective

Question 46

how to find the total magnification

Answer 46

lens of your eye piece x objective used

Question 47

what is the power of eyepiece

Answer 47

10x or 15x

Question 47

the eyepiece consists of...

Answer 47

upper eye lens and lower field lens

Question 48

what is the first vision instrument

Answer 48

reading stone

Question 49

what AD is reading stone invented

Answer 49

1000AD

Question 50

what is the optical instrument designed to produce magnified visual or photographic images of small objects

Answer 50

microscope

Question 51

micrographia is he book that contains all the...

Answer 51

principles of the compound microscope

Question 52

who is the first man to discover the cellular structure of cork

Answer 52

robert hooke

Question 53

who invented the phase-contrast microscope

Answer 53

frits zernike

Question 54

what kind of MC is used to study of colorless and transparent biological materials

Answer 54

phase-contrast microscope

Question 55

what MC hat can magnify an image up to 1 million times

Answer 55

electron MC

Question 56

what MC uses a single lens for magnification

Answer 56

simple MC

Question 57

how many lens does compound MC have to magnify the image

Answer 57

objective lens ocular lens

Question 58

condenser is present in simple or compound MC?

Answer 58

compound

Question 59

compound microscope can have up to how many objective lens

Answer 59

4

Question 60

dissecting microscope is aka

Answer 60

stereoscopic microscope stereoscope

Question 61

what MC that image appears in 3D

Answer 61

dissecting MC

Question 62

dissecting MC is used to study the... of the solid specimens

Answer 62

surfaces

Question 63

which MC is used to count platelets

Answer 63

phase-contrast MC

Question 64

which MC employs a special condenser

Answer 64

dark field MC

Question 65

which MC uses for demonstration of very thin bacteria

Answer 65

dark field MC

Question 66

dark field MC is helpful in microbiology in the identification of

Answer 66

spirochetes

Question 67

dark field MC has a dark background created by the

Answer 67

special condeser

Question 68

what is the source of illumination of electron MC

Answer 68

a beam of electrons

Question 69

in electron MC, living specimen is destroyed by

Answer 69

the high radiation of electron beam

Question 70

what kind of electron MC produces a 3D image of specimen's surface feautures

Answer 70

scanning electron MC

Question 71

what kind of electron MC produces a 2D image of specimens

Answer 71

transmission electron MC

Question 72

ocular is aka

Answer 72

eyepiece

Question 73

what are he 2 types of diaphragm

Answer 73

disk iris

Question 74

disk diaphragm is used in

Answer 74

old microscope

Question 75

iris diaphragm can regulate

Answer 75

the amount of light by adjusting the lever

Question 76

what are the 2 types of brightfield illumination

Answer 76

critical illumination koehler illumination

Question 77

name the type of brightfield illumination the light source is focused at the specimen

Answer 77

critical illumination

Question 78

name the type of brightfield illumination the light source is focused at the condenser aperture diaphragm

Answer 78

koehler illumination

Question 79

magnification color code for scanning

Answer 79

red

Question 80

magnification color code for LPO

Answer 80

yellow

Question 81

magnification color code for HPO

Answer 81

blue

Question 82

magnification color code for OIO

Answer 82

white

Question 83

how do we carry the MC

Answer 83

one under the base other at the grasping arm

Question 84

when turning on the MC and opening the diaphragm, make sure that the

Answer 84

light intensity dial is on the owest setting

Question 85

use the what to move to center the specimen over the condenser lens

Answer 85

stage adjustment

Question 86

use the what to move the objective as close as possible to the slide

Answer 86

coarse adjustment knob

Question 87

when images on MC becomes clear, switch the... to make the image even sharper

Answer 87

fine adjustment knob

Question 88

when to inspect the component parts of MC

Answer 88

before and after use

Question 89

when not use in a long period of time, the MC should be

Answer 89

covered or protected from dust

Question 90

do not use what to clean the MC

Answer 90

water