Definitions

Question 1

define hyperplasia

Answer 1

increase in cell number, in response to a stimulus

Question 2

DNA of the cells in hyperplasia

Answer 2

normal

Question 3

examples of hyperplasia

Answer 3

endometrial lining
lymph nodes in infection
liver regeneration
smooth muscle

Question 4

define hypertrophy

Answer 4

increase in cell size, the cell have more organelles in response to a stimulus

Question 5

examples of hypertrophy

Answer 5

LVH

HOCM (septum grows inwards)

Question 6

define atrophy

Answer 6

loss of cell size or number, due to the withdrawal of stimulus

Question 7

causes of atrophy

Answer 7

hormonal (corticosteroids)

mechanical (immobility)

Question 8

define metaplasia

Answer 8

change from one mature cell type to another mature cell type

Question 9

example of metaplasia

Answer 9

Barrett’s oesophagus

Question 10

define neoplasia

Answer 10

new growth without a stimulus

Question 11

three categories of neoplasia

Answer 11

1. benign
2. pre-malignant
3. malignant

Question 12

example of a benign neoplasia

Answer 12

squamous papilloma

Question 13

example of a pre-malignant neoplasia

Answer 13

carcinoma in-situ

colonic polyps

Question 14

define malignant

Answer 14

growth with metastatic potential

Question 15

define dysplasia

Answer 15

disordered cell growth