Microscopy - AnaPhy Lab

Question 1

is an essential tool in the study of human anatomy and physiology

Answer 1

compound light microscope

Question 2

The human eye is not able to perceive objects smaller than

Answer 2

0.1 mm in diameter

Question 3

it requires a light source in order to view an object.

Answer 3

light microscope

Question 4

meaning that once you focus the specimen using one objective, it will remain “almost” in focus when viewed through another objective

Answer 4

parfocal

Question 5

The major parts of a microscope—the parts that form its framework—

Answer 5

the base, the arm, and the head

Question 6

The upper part of the microscope that supports the ocular lens(es) and the various objective lenses

Answer 6

Head

Question 7

The broad, flat, lower part of the microscope that supports the rest of the instrument.

Answer 7

Base

Question 8

The vertical part of the microscope that connects the head to the base.

Answer 8

Arm

Question 9

Lens(es) located within the eyepieces

Answer 9

Ocular lenses

Question 10

have one ocular lens

Answer 10

Monocular microscopes

Question 11

have two ocular lenses

Answer 11

binocular microscopes

Question 12

Ocular lenses typically magnify an object

Answer 12

10 times

Question 13

Magnifying lenses mounted on a rotating nosepiece.

Answer 13

Objective lenses

Question 14

Most microscopes have four objective lenses:

Answer 14

scanning (4×), low-power (10×), highpower (40×), and oil-immersion (100×) lenses.

Question 15

Connects the objective lenses to the head and allows different objective lenses to be moved into place.

Answer 15

rotating nosepiece

Question 16

Flat, horizontal shelf onto which the slide is placed and typically secured with a spring clamp. Two control knobs can be used to move the stage to position the slide.

Answer 16

Mechanical stage

Question 17

Small lens located under the stage that concentrates light onto the specimen

Answer 17

Condenser

Question 18

is used to raise and lower the condenser

Answer 18

condenser adjustment knob

Question 19

The condenser should usually be in its ______________ position, just __________ the aperture

Answer 19

uppermost; below

Question 20

the hole in the stage through which light travels

Answer 20

aperture

Question 21

Located beneath the condenser. Regulates the
amount of light that passes through the condenser.

Answer 21

Iris diaphragm lever

Question 22

Located on the arm of the microscope just above the base

Answer 22

focus knobs

Question 23

moves the stage up and down in large increments and is
used to find the specimen and for initial focusing

Answer 23

coarse adjustment knob

Question 24

is used for fine focusing after coarse focusing has been completed

Answer 24

fine adjustment knob

Question 25

Located in the base. Provides the light that passes through the condenser, the specimen, the lenses, and finally into your eyes

Answer 25

Substage light

Question 26

located on the base or the arm controls the brightness of the light

Answer 26

light control knob