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- Your slide is in focus on your microscope,but you do not see the specimen. a.possible problems b. SolutionsWhich of the following results in green output in spectrophotometry experiment? a. Violet light b. Blue light c. Green light d. Yellow lightWhat is the proper method of cleaning the microscope? Select an answer. a. Change the magnification to the lowest power, clean the objective lens and ocular lens with lens paper b. Change the magnification to the highest power, clean the objective lens and ocular lens with lens paper c. Change the magnification to the lowest power, clean the objective lens and ocular lens with a paper towel
- The phase-contrast microscope is best suited for observing a. living organisms in an uncovered drop on a slide. b. stained slides with cover glasses. c. living organisms in hanging drop slide preparations. d. living organisms on a slide with a cover glassWhich statement(s) describe(s) a microplate reader?A. It is spectrophotometerB. It can read the absorbance of one sample with adjustable path lengthC. It can handle multiple samples in parallelD. It will do all measurement jobs without our supervision a. A & B b. A, B & C c. A, B, C & D d. A e. A & CParagraph 3. If the ocular lens on a microscope has a magnification of 20OX, what is the total magnification of: a. a scanning lens with magnification of 4X b. a low-power lens with a magnification of 1oX c. a high power lens with a magnification of 40X d. an oil-immersion lens with a magnification of 100X 4. Choose how the letter "R" will appear as viewed under a microscope. R B R As viewed with the naked eye b. a. P. 5. True/False a. Begin the focusing process with the high-power objective. b. Store the microscope with the oil-immersion objective in position. c. Use tissue d. The coarse adjustment knob can be used with any objective lens. раper and water to clean the ocular and objective lenses.
- The process that most accounts for magnification is a. a condenser c. illumination b. refraction of light rays d. resolutionA nurse who created a sterile field for a patient is adding a sterile solution to the field. What is an appropriate action when performing this task? a. Place the bottle cap on the table with the edges down. b. Hold the bottle inside the edge of the sterile field. c. Hold the bottle with the label side opposite the palm of the hand. d. Pour the solution from a height of 4 to 6 inches (10 to 15 cm).Describe the ff types of microscope: A. Darkfield microscope B. Phase contrast microscope C. Differential interfetence microscope
- Dyes are used to stain specimens that will be observed using the microscope to a. increase the magnification. b. increase resolution. c. increase contrast. d. make it visible. e. none of the above.The following questions talk about increasing magnification in microscopes. Please answer questions 1 and 2 After a specimen is in focus, where in the field of view should position the specimen before increasing the magnification (be precise)? (QUESTION 2 HAS TWO PARTS TO IT): To increase the magnification, which objective should you click into position next? After refocusing the specimen with the new objective, if you want to increase the magnification even more, which objective should you now click into position?The resolving power of the microscope reveals: a. Whether or not oil is needed to see a microorganism. b. The maximum magnification possible with a particular objective. closely spaced objects to be seen clearly. c. Two closely spaced objects to be seen clearly. d. The magnification capacity of the microscope E.the amount of clearance between slide and objective lens.