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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?

To protect the microscope from dust Signup and view all the answers

What is the recommended method for cleaning microscope lenses?

Using a soft cloth Signup and view all the answers

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

For recognition of cell and tissue structures Signup and view all the answers

What is the primary function of a microscope?

To enlarge and make visible very small objects that cannot be seen with the naked eye Signup and view all the answers

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

Zacharias JANSEN Signup and view all the answers

What is the primary application of light microscopes?

To examine the details of specially prepared tissue sections Signup and view all the answers

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

1757 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?

Hans JANSEN Signup and view all the answers

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

Robert HOOKE Signup and view all the answers

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

To move the plate or the tube to zoom out and zoom in on the material to be examined Signup and view all the answers

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

Phase-contrast microscopes Signup and view all the answers

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

Polarization microscopes Signup and view all the answers

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

To clarify the image in the microscope Signup and view all the answers

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

Fluorescent microscopes Signup and view all the answers

What is the recommended posture when using a microscope?

Sit on the table as upright as possible Signup and view all the answers