Histology

Question 1

How to distinguish a cuboidal epithelial cell and where are they found

Answer 1

Round nucleus

Kidney tubules and ducts of glands

Question 2

Characteristic of columnar epithelial cell and location

Answer 2

Oval nucleus
Small intestine
Gall bladder

Question 3

Characteristics of squamous epithelium and location

Answer 3

Wide cell with oval nucleus

Alveoli

Question 4

Characteristics of stratified squamous non keratinising and location

Answer 4

Mouth vagina and oropharynx

Wide nuclei and multiple

Question 5

Difference between keratinising and non keratinising epithelia

Answer 5

Keratanising is impermeable to water but non is permeable

Question 6

Where is keratanising squamous stratified found

Answer 6

Skin

Question 7

Where is pseudostratifed found

Answer 7

Trachea and large airways

Urinary tract

Question 8

alcian blue stain

Answer 8

stains blue for
 gag rich structures
mucous goblet cells
mast cell granules
cartilage matrix

Question 9

eosin staining

Answer 9

pink for colloidal proteins

orange/ red for keratin

Question 10

iron haemotoxylin staining

Answer 10

nuclei and elastic fibres black

Question 11

periodic acid schiff staining

Answer 11

hexose sugars
goblet cell mucins
cartilage matrix
glycogen
basement membrane
brush border
MAGENTA DARK PINK

Question 12

TOLUIDINE BLUE staining

Answer 12

nuclei, ribosomes and cytoplasm dark blue

cartilage matrix - pale blue

Question 13

What does haematoxylin staining

Answer 13

nuclei