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Hematology Microscop

Hematology Microscope Quiz

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
Created by: vinnydog