Lab Quiz #1 - Microscope Quiz - EXTRA PRACTICE

Question 1

A _____________ is an instrument consisting of at least 2 lenses.

Answer 1

compound microscope

Question 2

The main function of this is to magnify the image; NOT the object

Answer 2

compound microscope

Question 3

The ability of the microscope to show fine structural details with clarity and sharpness is…

Answer 3

resolution

Question 4

What part of the microscope turns on the light source?

Answer 4

main/power switch

Question 5

What part of the microscope regulates the amount of light to the microscope?

Answer 5

brightness adjustment knob

Question 6

What part of the microscope provides white light?

Answer 6

light source/LED bulb

Question 7

What part of the microscope is known as the area underneath the stage?

Answer 7

substage assembly area

Question 8

What part of the microscope changes light in a fine tune manner?

Answer 8

iris/aperture diaphragm with lever

Question 9

What part of the microscope prevents the light from scattering as it travels from the bottom?

Answer 9

condenser lens

Question 10

What setting on the field setting disk is used for dyed specimens that are nonliving?

Answer 10

bright field (BF) setting/microscopy

Question 11

What setting on the field setting disk is used for non-colored/dyed specimens that are living?

Answer 11

dark field (DF) setting/microscopy

Question 12

What part of the microscope rests the slide/specimen on top of it?

Answer 12

stage

Question 13

What part of the microscope moves the slide back and forth and side to side, functioning in scanning the slide starting at the lowest magnification?

Answer 13

slide adjuster knob

Question 14

What part of the microscope is NOT used for measuring size of specimen, but are used as coordinations for positioning/pinpointing a landmark on the slide?

Answer 14

scale of specimen position

Question 15

What part of the microscope is responsible for the primary magnification of the image; contains four different lenses and magnifies at four different levels?

Answer 15

objective lens

Question 16

What part of the microscope is used to change from one objective to the next objective?

Answer 16

revolving nose piece

Question 17

What part of the microscope is the closest to the eyes and ALWAYS magnifies the image to 10x?

Answer 17

ocular lens (eyepiece)

Question 18

What part of the microscope moves the stage up and down and allows for the initial, rough focus?

Answer 18

coarse adjuster/focus knob

Question 19

What part of the microscope allows only fine movement of the stage and results in a later, fine focus?

Answer 19

fine adjuster/focus knob

Question 20

What is known as the area you can see when looking through the microscope?

Answer 20

field of vision

Question 21

There is an inverse relationship between…

(hint: theres 2 answers)

Answer 21

range of field and magnification
depth of field and magnification

Question 22

What is known as the distance between the objective lens and the specimen?

Answer 22

depth of field

Question 23

A specimen has ______ planes known as the ________________

Answer 23

several
planes of focus

Question 24

The __________ gets you to any one of several planes of focus, but the _________ gets you to the center plane of focus = goal! = better resolution.

Answer 24

coarse focus knob
fine focus knob

Question 25

What type of light contains a short wavelength that penetrates deeper into the specimen, providing better resolution?

Answer 25

blue light