Lab Test #1

Question 1

Which ventricle is thicker?

Answer 1

Left

Question 2

Explain how the rate of osmosis is affected by concentration of solute

Answer 2

The greater the difference in concentration the greater the osmotic effect

Question 3

Describe tests for the presence of sugar and starch

Answer 3

Reagents:
Starch - iodine (change in color signals positive)
Sugar - Benedict solution + heat (change in color signals positive)

Question 4

Distinguish between electrolytes and non-electrolytes

Answer 4

Acids, salts, bases (starch/sugar NOT electrolytes)

Electrolytes dissolve and dissociate so that it can conduct electricity

Question 5

Isotonic solutions & their ratio

Answer 5

Body fluid = .9% NaCl = 5% glucose

Ratio of .9% NaCl to 5% glucose is 1:6

Question 6

Hypertrophy vs hyperplasia

Answer 6

Hypertrophy - increase in size; hyperplasia - increase in number

Question 7

Fibrous CT is the same as what?

Answer 7

Fibrous = dense regular CT

Question 8

Epithelial - columnar

Answer 8

Columnar found in circular pattern

Question 9

Epithelial - pseudo-stratified ciliated columnar

Answer 9

Will have cilia and goblet cells

Question 10

Answer 10

Question 11

If you see bone cells - what sort of tissue are you looking at?

Answer 11

Connective tissue

Question 12

Answer 12

Question 13

Answer 13

Question 14

Answer 14

Question 15

Answer 15

Question 16

Answer 16

Question 17

Answer 17

Question 18

Answer 18

Epithelium - simple squamous - diffusion - air sacs of lung

Question 19

Answer 19

Epithelium - stratified squamous - protection - esophagus

Question 20

Answer 20

Epithelium - simple cuboidal - secretion and absorption - kidney tubules

Question 21

Answer 21

Epithelium - simple columnar - dense microvilli for absorption - GIT

Question 22

Answer 22

Epithelium - pseudo… - movement of material - trachea

Question 23

Answer 23

CT - Areola (proper - loose CT) - cushioning - lamina propina under epithelium

Question 24

Answer 24

CT - Adipose (proper - loose CT) - shock absorber - under hypodermis

Question 25

Answer 25

CT - Regular (proper - dense CT) - attached muscles to bones - tendon

Question 26

Answer 26

CT - Hyaline (supporting - cartilage) - supports and reinforces - cartilage in the trachea

Question 27

Answer 27

CT - Bone (supporting - bone) - supports and protects - bones

Question 28

Answer 28

Question 29

Faliciform ligament

Answer 29

Attaches liver to cavity wall

Question 30

Greater (& lesser) omentun

Answer 30

Greater covers the small intestine like an apron (lesser attaches stomach to liver)

Question 31

Sciatic nerve in cat?

Answer 31

Leg, parallel and lateral to the external illiac

Question 32

What tissue holds skin in place?

Answer 32

Areolar

Question 33

What tissue has strong collagenous fibers?

Answer 33

Fibrous connective tissue (reg dense CT)