Hematology Microscope Quiz
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Another name for the eyepiece? | Ocular lens
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| What part carries filtered light from the objective lens to ocular lens? | Body tube
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| What do you use generally for focusing on a specimen? | Coarse adjustment knob
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| What do you use to precisely focusing on a specimen? | Fine adjustment knob
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| What holds the objective lenses? | Nosepiece
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| What is another name for the variable magnifying lenses? | Objectives
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| What holds the slide in place? | Stage clip
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| What connects magnifying lenses to the base of the microscope? | Arm
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| Name of the part that the slide sits on. | Stage
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| What holds slide / specimen in place, allows for slight rearrangement of location? | Mechanical stage
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| What increasess or decrease light through condenser? | Iris diaphragm
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| What concentrates light rays on specimen? | Condenser
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| What is the name of the area where the arm can be adjusted? (Point of arm adjustment-bends) | Inclination joint
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| What part connects base to stage? | Pillar
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| What is the foot of the microscope? | Base
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| What reflects light through the condenser? | Mirror
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| What three parts whould you adjust to adjust the amount of light? | Condenser - Iris Diaphragm - Mirror
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| What adjusts the height of the condenser? | Substage adjustment lever
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| What are strengths of the objective lens? | Low power = 10x - High power = 45x - oil immersion = 97x
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| What formula do you use to figure total magnification? | Magnification of ocular times (X) magnification of objective len Sample: Low power - 10x X 10x = 100x
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| What three steps are used to transport a microscope? | 1 - Firmly grasp the curved arm of the microscope; 2 - Lift microscope up; 3 - Place other hand under base of microscope
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| What five steps must be done for correct storage? | 1 - Condenser down; 2 - Clean off objectives w/ lens tissue; 3 - Place 10x objective over stage opening; 4 - Lower body tube all the way down; 5 - Cover microscope
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| What is the first step to focusing a parfocal microscope? | Place microscope 8 - 14 inches away from light source
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| What is the Second step to focusing a parfocal microscope? | Raise condenser all the way up
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| What is the third step to focusing a parfocal microscope? | Adjust the iris diaphragm all the way open & adjust concave side of mirror so the brightest possible light comes through the glass top of the condenser
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| What is the fouth step to focusing a parfocal microscope? | Lower condenser 1/2 a turn
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| What is the fifth step to focusing a parfocal microscope? | Place slide on stage
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| What is the sixth step to focusing a parfocal microscope? | Looking from the side, lower the 10x objective as closeto the slide as possible without touching
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| What is the seventh step to focusing a parfocal microscope? | To focus, look into the eyepiece & turn coarse adjustment knob toward yourself slowly
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| What is the eighth step to focusing a parfocal microscope? | Bring into clear focus with the fine adjustment knob
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| You have focused in 10x, what two steps do you do to focus on high power (40s objective)? | 1 - swing 45x objective into place; 2 - Final focus with fine adjustment knob
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| What five steps do you do to store your microscope? | 1 - Raise condenser all the way up; 2 - Turn nosepiece objective is moved to side; 3 - Place 1 drop of oil on slide where light is shining through the stage; 4 - Turn nosepiece so 97x is in the oil; 5 - focus with fine adjustment only
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| Define Parfocal - | Microscopes that can change the objective strength and complete the focus with just the fine adjustment knob
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