1) known as the ocular; lens at the top of the microscope that you look through; usually a magnification of 10x a) Eyepiece b) coarse adjustment knob c) Low power lens d) Arm 2) hollow tube through which light travels from objective lenses to the eyepiece a) fine adjustment knob b) High power lens c) Body Tube d) light source 3) holds the objective lenses and rotates to change magnification a) diaphragm b) Nosepiece c) base d) Low power lens 4) supports the upper parts of the microscope; used to help carry the microscope a) Arm b) Stage c) Eyepiece d) light source 5) where you always start and end with the microscope; labeled with a 4x a) base b) Stage c) low power lens d) Stage clips 6) gives a close view of the slide without getting too close; labeled with a 10x a) medium power lens b) Stage clips c) Scanning lens d) Eyepiece 7) for fine, close, detailed viewing; labeled with 40x a) Nosepiece b) High power lens c) coarse adjustment knob d) Body Tube 8) where you put the slide; helps to view an object or specimen on a stable surface a) Stage clips b) Stage c) Scanning lens d) base 9) helps to the hold the slide in place a) Stage clips b) fine adjustment knob c) Nosepiece d) Arm 10) wheel or lever located below the stage opening; regulates the amount of light that can enter the lenses a) Body Tube b) High power lens c) Stage d) diaphragm 11) provides light necessary for viewing the specimen on the slide a) Low power lens b) Eyepiece c) light source d) Arm 12) raises or lowers stage or objective lenses; used only when focusing scanning power, 4x, lens a) High power lens b) coarse adjustment knob c) Stage clips d) Eyepiece 13) raises and lowers stage or objective lenses a small distance for exact focusing; used with 10x or 40x power lenses a) fine adjustment knob b) High power lens c) light source d) Nosepiece 14) supports the whole/entire microscope; used the carry the microscope a) Stage b) fine adjustment knob c) base d) Body Tube 15) What is the total magnification when viewing a specimen through the eyepiece that magnifies by 10x and a high power lens that magnifies by 50x? a) 50 b) 300 c) 60 d) 500 16) What type of slide is best used for living specimens? a) living slide b) prepared slide c) wet-mount slide d) pond slide 17) Which adjustment knob do you use first when focusing under low and medium power? a) high b) fine c) course d) low 18) Which lens would be best to view a moving specimen? a) low power b) high power c) course adjustment d) no lens 19) Which adjustment knob is used when focusing on high power a) coarse b) fine c) high d) low 20) Which objective allows you to see the most detail but less of the field of view. a) high b) medium c) low d) fine

Quiz 3-Microscope

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