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Flashcards in Exam 2 Practice Questions Deck (9)
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1

Which of the following is the smallest unit of measure?
Nano or micro?

Nano

2

Why are blue filters used on the light source of light microscopes?

they allow for only short wavelengths of light to pass through

3

Fluorescent microscopy involves

Fluorescent and ultraviolet light

4

What provides more information than simply revealing cell morphology?

Gram stain

5

Which type of microscope produces a three dimensional image?

Scanning electron

6

What dye in the gram stain procedure do gram positive retain

Crystal violet

7

What does the gram stain reveal

Differential stain reveals cell morphology, arrangement, and cell grouping

8

Electron beams function

Provide greater resolution than light

9

Dark field microscopy

Use reflected light
Revels specimen in dark field
Have low numerical aperture
Allow observation of syphilis