Microscope Flashcards

1
Q

function of eyepiece and proper care

A

function- contains lens that magnifies (place to view, ocular lens)
care- try to keep both eyes open

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2
Q

function of course adjustment knob and proper care

A

function- moves stage up or down to focus on object to make it clearer
care- use only when using the lowest power lens

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3
Q

function of fine adjustment knob and proper care

A

function- brings the object into focus

care- use w/ any lens but mainly with high and medium power

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4
Q

function of revolving nose piece and proper care

A

function- holds the three objective lens, rotates to choose lens
care- avoid getting it dirty and clean properly

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5
Q

function of stage and proper care

A
function - supports and holds the slide and allows you to view the object
care-keep stage dry
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6
Q

function of diaphragm and proper care

A

function - has holes that let amounts of light pass, adjusts light

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7
Q

function of stage clips and proper care

A

function - holds the slide firmly on the stage

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8
Q

function of lamp and proper care

A
function - supplies the light that passes through the object you are viewing
care - if using mirror avoid reflection of direct sunlight in the microscope as this can damage your eyes
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9
Q

function of arm and proper care

A
function - allows you to carry the microscope securely, support for body tube
care - when carrying the arm be sure to have your hand on the base as well
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10
Q

function of base and proper care

A
function - foundation for the scope
care - when carrying be sure to hold the arm and base
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11
Q

how to set up slide and wet mount

A

a drop of water is used in the specimen between the slide and cover slip. Place a sample on the slide. Using a dropper, place a drop of water on the specimen. Then place on edge of the cover slip over the sample and carefully lower the cover slip into place.

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12
Q

how to bring a specimen into focus

A

using lower lens, slowly move the stage up until the lens makes contact with the water. Continue focusing with the coarse focus knob until the color or blurred outline of the specimen appears. Finish focusing with the fine focus knob.

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13
Q

the do’s of using a microscope

A
  • carry microscope by arm and base
  • always start and end on low power
  • adjust diaphram to ensure light is passing through
  • clean lens with lens paper only
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14
Q

the don’ts of using a microscope

A
  • don’t get makeup, dust, dirt or food on microscope. keep it covered when not in use
  • don’t use the course adjustment knob with the high power lens
  • don’t put specimens directly on stage
  • don’t touch lens with fingers
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15
Q

low, high and medium magnification

A

low- 4x10=40
high- 40x10=400
medium- 10x10=100

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16
Q

how to use a microscope

A

turn to lowest lens first, then place on lens and secure with clips. After, set to the right focus with fine knob and move the stage with course knob but donot hit the lens. set up light intensity to a perfect set. move slide around until it hits the centre or the view point. then go ahead and view. when done, remove clips from slide, turn off light, set to low lens and put on cover for microscope.