1. Cell Ultrastructure

Question 1

What does Periodic Acid Schiff (PAS) stain?

Answer 1

Dyes sugars rich magenta

Question 2

What does Haematoxylin stain?

Answer 2

Stains nuclei blue

Question 3

What does Eosin stain?

Answer 3

Cytoplasm and extracellular tissue pink

Question 4

What is the most commonly used dye combination?

Answer 4

H and E
Haematoxylin and Eosin

Question 5

What does Van Gieson stain?

Answer 5

Stains elastic brown

Question 6

What does Alcaic Blue stain?

Answer 6

Stains mucins blue

Question 7

What does Trichrome (Masson’s) stain?

Answer 7

Variety of substances different colours

Question 8

What are the 6 shapes of cells?

Answer 8

Round
Polygonal
Fusiform
Squamous
Cuboidal
Columnar

Question 9

Are metabolically inactive cells smaller or larger?

Answer 9

Smaller because they have no nucleoli and fewer organelles

Question 10

What is the lifespan of the gut?

Answer 10

Days

Question 11

What cellular components last months?

Answer 11

Blood, skin, connective tissues

Question 12

What cellular components last years?

Answer 12

Bones and tendons

Question 13

What cellular components last your whole life?

Answer 13

Nerves, brain, cardiac and germ cells

Question 14

Name the 3 epithelia.

Answer 14

Protection, absorption, secretion

Question 15

Name the 3 muscle tissues.

Answer 15

Smooth, skeletal, heart

Question 16

Name the 3 suppporting tissues.

Answer 16

Brain, peripheral, visceral