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Hematology Microscop
Hematology Microscope Quiz
Question | Answer |
---|---|
Another name for the eyepiece? | Ocular lens |
What part carries filtered light from the objective lens to ocular lens? | Body tube |
What do you use generally for focusing on a specimen? | Coarse adjustment knob |
What do you use to precisely focusing on a specimen? | Fine adjustment knob |
What holds the objective lenses? | Nosepiece |
What is another name for the variable magnifying lenses? | Objectives |
What holds the slide in place? | Stage clip |
What connects magnifying lenses to the base of the microscope? | Arm |
Name of the part that the slide sits on. | Stage |
What holds slide / specimen in place, allows for slight rearrangement of location? | Mechanical stage |
What increasess or decrease light through condenser? | Iris diaphragm |
What concentrates light rays on specimen? | Condenser |
What is the name of the area where the arm can be adjusted? (Point of arm adjustment-bends) | Inclination joint |
What part connects base to stage? | Pillar |
What is the foot of the microscope? | Base |
What reflects light through the condenser? | Mirror |
What three parts whould you adjust to adjust the amount of light? | Condenser - Iris Diaphragm - Mirror |
What adjusts the height of the condenser? | Substage adjustment lever |
What are strengths of the objective lens? | Low power = 10x - High power = 45x - oil immersion = 97x |
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 |
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 |
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 |
What is the first step to focusing a parfocal microscope? | Place microscope 8 - 14 inches away from light source |
What is the Second step to focusing a parfocal microscope? | Raise condenser all the way up |
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 |
What is the fouth step to focusing a parfocal microscope? | Lower condenser 1/2 a turn |
What is the fifth step to focusing a parfocal microscope? | Place slide on stage |
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 |
What is the seventh step to focusing a parfocal microscope? | To focus, look into the eyepiece & turn coarse adjustment knob toward yourself slowly |
What is the eighth step to focusing a parfocal microscope? | Bring into clear focus with the fine adjustment knob |
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 |
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 |
Define Parfocal - | Microscopes that can change the objective strength and complete the focus with just the fine adjustment knob |