Microscope

Question 1

What’s another name for the eyepiece?

Answer 1

Ocular lens

Question 2

What are the 4 objective lens magnifications?

Answer 2

4x scanning, 10x low power, 40x high dry, 100x oil immersion

Question 3

What is 4x used for?

Answer 3

Scanning

Question 4

What is 10x used for?

Answer 4

Reading fecal floats to find ova

Question 5

What is 40x used for?

Answer 5

Reading fecal directs and urine sediment

Question 6

What is 100x used for?

Answer 6

ID cellular material like RBC, WBC and bacteria

Question 7

How do you calculate total magnification?

Answer 7

Multiply the ocular lens by the objective being used

Question 8

What is the coarse adjustment for?

Answer 8

Focusing under low magnification

Question 9

What is the fine adjustment for?

Answer 9

Focusing under high or low magnification

Question 10

What does the diaphragm(iris or disc) do?

Answer 10

Regulates and concentrates the amount of light

Question 11

What does the body tube do?

Answer 11

Sends the image to the eyepiece

Question 12

What solvent is commonly used to clean the lenses?

Answer 12

Methanol

Question 13

Excessive oil can be cleaned off with what?

Answer 13

Xylene

Question 14

When should the coarse adjustment knob NOT be used?

Answer 14

When the 40x/high dry and/or 100x oil immersion objective is being used