Microscope and Rat Dissection

Question 1

Answer 1

aorta

Question 2

Identify part and function

Answer 2

rheostat

alters the current applied to the lamp to control the intensity of the light produced

Question 3

Answer 3

cutaneous membrane

Question 4

Answer 4

parietal pleura

Question 5

Identify part and function

Answer 5

ocular lens

magnifies the image

Question 6

Identify part and function

Answer 6

arm

supports the body tube

Question 7

Answer 7

cecum

Question 8

Answer 8

kidneys

Question 9

Answer 9

diaphragm

aids in respiration and separates thoracic and abdominal cavity

Question 10

Identify part and function

Answer 10

objective lens
gathers light from the specimen, magnifies the image of the specimen, and projects the magnified image into the body tube

Question 11

Answer 11

trachea

Question 12

Identify yellow area

Answer 12

superior/anterior vena cava

Question 13

Answer 13

ileum and jejunum

Question 14

Answer 14

duodenum

Question 15

Answer 15

visceral pleura

Question 16

Answer 16

scrotum

Question 17

Answer 17

Spleen
The spleen has some important functions: it fights invading germs in the blood (the spleen contains infection-fighting white blood cells) it controls the level of blood cells (white blood cells, red blood cells and platelets) it filters the blood and removes any old or damaged red blood cells.

Question 18

Answer 18

Diaphragm

Question 19

Identify part and function

Answer 19

course focus knob

moves the stage up and down to bring the specimen into focus in a larger motion

Question 20

Answer 20

seminal vesicles

Question 21

Identify part and function

Answer 21

lamp

light source in your microscope

Question 22

Answer 22

aorta

cardiovascular

Question 23

Identify part and function

Answer 23

Base

supports microscope

Question 24

Identify structure and function

Answer 24

iris diaphragm control lever

regulates the amount of light passing through the condenser

Question 25

Answer 25

light switch | turns light on and off

Question 26

Identify part and function

Answer 26

mechanical stage control knobs y axis x axis moves the slide across the stage in four directions for focusing

Question 27

Answer 27

visceral pericardium

Question 28

Answer 28

Lungs

Question 29

Answer 29

prostate gland

Question 30

Answer 30

spleen

Question 31

Answer 31

serous membrane

Question 32

Answer 32

vas deferens

Question 33

Answer 33

submaxillary glands

Question 34

Identify part and function

Answer 34

mechanical stage A flat mechanism that sits on top of the stage and allows the viewer to move a specimen small distances - a task that is otherwise difficult at higher magnifications.

Question 35

Answer 35

parietal peritoneum

Question 36

Answer 36

urinary bladder

Question 37

Answer 37

ribs

Question 38

Identify part and function

Answer 38

stage | The horizontal surface upon which the slide is placed is called the stage.

Question 39

Identify part and function

Answer 39

substage condenser | This lens system is located immediately under the stage and focuses the light on the specimen

Question 40

Answer 40

skin

Question 41

Answer 41

Larynx

Question 42

identify structure

Answer 42

inferior/posterior vena cava

Question 43

Identify part and function

Answer 43

fine focus knob This knob is inside the coarse adjustment knob and is used to bring the specimen into sharp focus under low power and is used for all focusing when using high-power lenses.

Question 44

Identify part and function

Answer 44

body tube | The body tube is a hollow tube through which light travels from the objective to the ocular.

Question 45

Structure and function

Answer 45

revolving nosepiece Several objective lenses of varying magnification and numerical aperture are mounted on the revolving nosepiece. The nosepiece must click into place for the objective lens to be in proper alignment.

Question 46

Answer 46

ureters

Question 47

Answer 47

liver

Question 48

Answer 48

visceral peritoneum

Question 49

Answer 49

pancreas

Question 50

Answer 50

stomach

Question 51

Answer 51

esophagus

Question 52

Answer 52

heart