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Human A&P Lab > Exercise 1: Learning the Microscope > Flashcards

Exercise 1: Learning the Microscope Flashcards

1
Q

The working parts of a microscope are supported by…

A

A strong frame consisting of the head, arm and base.

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2
Q

The safe parts to hold when carrying the microscope are…

A

The base and arm.

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3
Q

Head of Microscope

A
  1. Upper part of frame
  2. Supports lenses.
  3. Also called body tube.
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4
Q

Arm of Microscope

A
  1. Vertical part of frame.

2. Connects head and base.

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5
Q

What is the rheostat on a microscope?

A
  1. Adjusts intensity of light.

2. Also called the light intensity knob.

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6
Q

Base of microscope.

A
  1. Bottom part of frame

2. Contains light source.

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7
Q

Light source of microscope.

A
  1. Found within the base.

2. Illuminates the specimen.

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8
Q

Objective Lenses

A 
Four strengths 
~Scanning lens (4x magnification)
~Low power lens (10x magnification)
~High power lens (40x magnification)
~Oil immersion (100x magnification)
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9
Q

Ocular Lens

A
  1. The eyepieces.

2. 10x magnification.

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10
Q

Revolving Nosepiece

A
  1. Supports objective lenses

2. Rotates to change objective lens.

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11
Q

Side Clips

A

Holds slide in place on stage.

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12
Q

Mechanical Stage

A

Platform for slide to sit on.

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13
Q

Mechanical Stage adjustor Knob

A

Moves stage forward, back, left or right

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14
Q

Fine focus knob

A

Used for precision focusing.

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15
Q

Coarse focus knob

A

Raises or lowers the stage.

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16
Q

Iris Diaphragm

A
  1. Adjusts contrast

2. Opens and closes to regulate the amount of light reaching the condenser.

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17
Q

Condenser

A
  1. Lens below the stage

2. Concentrates light onto the specimen.

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18
Q

Relationship between magnification and field of view.

A

The greater the magnification of a lens, the closer it to the slide, so the field of view is smaller and the image appears larger.

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19
Q

Field of view for the scanning lens

A

Highest field of view and the smallest image.

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20
Q

Field of view for the low power lens

A

Intermediate size field of view and intermediate size image.

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21
Q

Field of view for the high power lens

A

Smallest field of view and largest image

22
Q

Cytology

A

The study of cells.

23
Q

Ocular lens

A

Eyepieces

24
Q

Field of View

A

Area of slide visible

25
Q

Head

A

Supports lenses

26
Q

Stage

A

Flat platform for slides

27
Q

Scanning lens

A

Has 4x magnification

28
Q

Arm

A

Vertical part of microscope frame

29
Q

Nosepiece

A

Rotates to change objective lenses.

30
Q

Histology

A

The study of tissues.

31
Q

Base

A

Bottom of microscope frame.

32
Q

Slide Clips

A

Holds slide onto stage.

33
Q

Light Source

A

Illuminates the specimen

34
Q

Iris Diaphragm

A

Adjusts contrast

35
Q

Simple microscope

A

Has a single lens

36
Q

Condensor

A

Lens below the stage

37
Q

High power lens

A

Has 40x magnification

38
Q

Fine focus knob

A

Used for precision focusing

39
Q

Compound Microscope

A

Has a series of lenses

40
Q

Coarse focus knob

A

Raises or lowers stage

41
Q

Low power lens

A

Has 10x magnification

42
Q

Lens paper

A

Used to clean lenses

43
Q

Gross anatomy

A

Large enough to see with the naked eye.

44
Q

Anatomy & Physiology labs typically use the ____ microscope.

A

Compound light.

45
Q

Which of the following is NOT part of the microscope frame?

Arm
Base
Stage
Head

A

Stage

46
Q

Another name for the rheostat is _____?

A

Light intensity knob.

47
Q

The ____ supports the objective lenses.

A

Revolving nosepiece

48
Q

The ____ is a stage for slides

A

Mechanical stage

49
Q

The iris diaphragm changes the

A

Amount of contrast

50
Q

When the high power lens is in place, the total magnification of the microscope is?

A

400x

51
Q

The field of view is largest when the ____ lens is being used

A

Scanning power.

Human A&P Lab (7 decks)

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