Microscopy and Laboratory Techniques
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Questions and Answers

What is the recommended angle between the microscope and the eye?

  • 60 degree angle (correct)
  • 120 degree angle
  • 90 degree angle
  • 45 degree angle

How many eyes should be kept open while using a microscope?

  • Two eyes (correct)
  • One eye open and one eye closed
  • One eye
  • Both eyes closed

What is the correct hand placement for microscope usage?

  • One hand on the carriage and one hand on the macro and micro screw (correct)
  • One hand on the microscope and one hand on the table
  • Both hands on the microscope
  • One hand on the microscope and one hand on the chair

What is the purpose of covering the microscope with a cover when not in use?

<p>To protect the microscope from dust (C)</p> Signup and view all the answers

What is the recommended method for cleaning microscope lenses?

<p>Using a soft cloth (C)</p> Signup and view all the answers

What is the primary use of light microscopy in scientific research?

<p>For recognition of cell and tissue structures (A)</p> Signup and view all the answers

What is the primary function of a microscope?

<p>To enlarge and make visible very small objects that cannot be seen with the naked eye (D)</p> Signup and view all the answers

Who is credited with making the first microscope using a combination of multiple lenses?

<p>Zacharias JANSEN (B)</p> Signup and view all the answers

What is the primary application of light microscopes?

<p>To examine the details of specially prepared tissue sections (B)</p> Signup and view all the answers

In what year did the microscope start to be used in morphological examinations?

<p>1757 (C)</p> Signup and view all the answers

What is the name of the Dutch optician who is credited with making the first microscope using a combination of multiple lenses?

<p>Hans JANSEN (B)</p> Signup and view all the answers

What is the name of the British scientist who contributed to the development of the microscope?

<p>Robert HOOKE (C)</p> Signup and view all the answers

What is the main purpose of the coarse focus in a microscope?

<p>To move the plate or the tube to zoom out and zoom in on the material to be examined (B)</p> Signup and view all the answers

Which type of microscope is used especially for the examination of unpainted objects?

<p>Phase-contrast microscopes (B)</p> Signup and view all the answers

What type of microscopy is used for the examination of materials that double refract light twice?

<p>Polarization microscopes (A)</p> Signup and view all the answers

What is the purpose of the fine focus in a microscope?

<p>To clarify the image in the microscope (A)</p> Signup and view all the answers

What type of microscopy is used to monitor substances that emit their own light or receive fluorescent dyes?

<p>Fluorescent microscopes (A)</p> Signup and view all the answers

What is the recommended posture when using a microscope?

<p>Sit on the table as upright as possible (C)</p> Signup and view all the answers

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