A) To measure distances B) To illuminate a room C) To magnify small objects D) To dissect specimens
A) Objective lens B) Eyepiece C) Condenser D) Stage
A) Condenser lens B) Diaphragm C) Eyepiece D) Objective lens
A) Condenser adjustment knob B) Coarse adjustment knob C) Fine adjustment knob D) Stage adjustment knob
A) To focus the image B) To adjust the light intensity C) To hold the slide in place D) To move the stage
A) Coarse focus knob B) Objective lens C) Eyepiece D) Diaphragm
A) The lenses are all made of glass B) The image stays in focus when changing objectives C) The image is always perfectly clear D) The magnification is consistent
A) By the eyepiece B) By the objective lenses C) With one hand on the arm and the other under the base D) By the stage
A) Facial tissue B) Lens paper C) Paper towel D) Cloth
A) Coarse adjustment knob B) Fine adjustment knob C) Condenser adjustment knob D) Stage adjustment knob
A) 50x B) 4x C) 400x D) 1040x
A) Add stain to the specimen B) Place a drop of liquid on the slide C) Clean the slide D) Place the coverslip on the slide
A) To hold the slide in place B) To add contrast to the specimen C) To flatten the specimen and protect the objective lens D) To magnify the specimen
A) Compound microscope B) Transmission electron microscope C) Scanning electron microscope D) Phase contrast microscope
A) To reduce the amount of light needed B) To stain the specimen C) To clean the objective lens D) To increase resolution at high magnification
A) Any objective B) Oil immersion objective C) Lowest power objective D) Highest power objective
A) The ability to distinguish between two closely spaced objects B) The depth of focus C) The brightness of the image D) The magnification power of the microscope
A) Increase the magnification B) Add more stain C) Clean the eyepiece D) Check the light source and objective lens position
A) Supports the body tube and is used for carrying B) Controls the light source C) Holds the objective lenses D) Supports the stage
A) Adjusts the focus B) Holds the objective lenses C) Contains the light source D) Provides a stable platform for the microscope
A) The brightness of the light source B) The visible area seen through the eyepiece C) The magnification power D) The objective lens in use
A) The distance between the eyepieces B) The length of the microscope arm C) The distance between the objective lens and the specimen D) The field of view diameter
A) To reduce the amount of light needed B) To prevent the specimen from moving out of the field of view C) To improve the contrast D) To increase the resolution
A) The strength of the objective lens B) A measure of how much light bends when it passes from one medium to another C) The amount of light produced by the light source D) The size of the specimen being observed
A) To clean the objective lens B) To enhance the color of the specimen C) To minimize light refraction and improve resolution D) To act as a mounting medium for the specimen
A) The magnification power of the lens B) The field of view diameter C) The distance between the lens and the specimen D) A measure of the lens' ability to gather light and resolve fine specimen detail
A) A type of stain used in microscopy B) A type of microscope objective C) A technique for optimizing the light path in a microscope to produce a high-quality image D) A method for cleaning microscope lenses
A) Polarized light is used to illuminate the specimen B) Light is scattered by the specimen and enters the objective lens C) Fluorescent light is used to illuminate the specimen D) Direct light passes through the specimen
A) To measure the electrical properties of a cell B) To perform microsurgery C) To observe the surface topography of a specimen D) To visualize specific structures or molecules within a cell or tissue
A) To measure the size of cells B) To cut thin sections of tissue for microscopy C) To sterilize microscope slides D) To mix reagents for staining |