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Parasitology Lab 2ndYR Summer Midterms > Parts of Microscope > Flashcards

Parts of Microscope Flashcards

1
Q

Screw that locks the head of the microscope

A

Observation Tube Clamping Screw

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2
Q

Used to clean glass and objective lenses

A

Lens Paper

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3
Q

3 factors for Resting Mode

A
  1. Eyepiece should be close together
  2. Stage is moved up
  3. Objective should be Scanner
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4
Q

Part of microscope where the viewer looks through to see the specimen

A

Eyepiece

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5
Q

Commonly used eyepiece magnification

A

10x

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6
Q

Distance between the two eyepieces

A

Interpupillary Distance

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7
Q

A means to change focus on one eyepiece to correct for any difference in vision between the two eyes

A

Diopter Ring

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8
Q

Connects the eyepiece to the objective lenses. aka as the Head

A

Body Tube

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9
Q

Connects the body tube to the base of the microscope

A

Arm

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10
Q

Brings the specimen into general focus

A

Coarse Adjustment Knob

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11
Q

Ability of the microscope to stay in focus, even though objective lenses are changed

A

Parfocality

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12
Q

Fine tones the focus and increases the details of the specimen

A

Fine adjustment knob

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13
Q

Rotating turret that houses the 4 objective lenses

A

Nose Piece

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14
Q

4 objective lenses

A

Scanner (4x)
Low Power Objective (10x)
High Power Objective (40x)
Oil Immersion Objective (100x)

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15
Q

Ability of the objective lenses to gather light and resolve the fine adjustment of the specimen

A

Numerical Aperture

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16
Q

Diameter of the image observed, usually in millimeters

A

Field Number

17
Q

Objective with Red band

A

Scanner

18
Q

Objective with Yellow band

A

Low Power Objective

19
Q

Objective with Blue band

A

High Power Objective

20
Q

Objective with White/Black band

A

Oil Immersion Objective

21
Q

Objective with Green band

A

5 Lens Microscope

22
Q

Flat platform where the slide or specimen is placed

A

Stage

23
Q

Hole in the middle of the stage that allows light from illuminator to reach the specimen

A

Aperture

24
Q

Turns the illuminator on or off

A

Switch

25
Q

Adjusts the intensity of illuminator

A

Rheostat

26
Q

Controls the amount of light that reaches the specimen

A

Iris Diaphragm

27
Q

Used to collect and focus light from the illuminator on the specimen

A

Condenser

28
Q

Calibration of Rheostat and Condenser for Colorless Specimens

A

Rheostat - Max
Condenser - Fully closed

29
Q

Calibration of Rheostat and Condenser for Colored Specimens

A

Rheostat - Max
Condenser - Half Open or Half Closed

30
Q

Oil used for Oil Immersion Objective

A

Cedarwood Oil

31
Q

Refractive Index of Cedarwood Oil

A

1.52

32
Q

Used to avoid slide and lenses from colliding

A

Pre-focusing knob

Parasitology Lab 2ndYR Summer Midterms (1 decks)

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