General terminology

Question 1

What is purpura?

Answer 1

redness due to extravasation of blood- may be raised

Question 2

What is the name for a smaller 1-2mm area of flat purpura?

Answer 2

petechia

Question 3

What is erythema?

Answer 3

redness due to vascular dilatation

Question 4

How can you differentiate between purpura and erythema?

Answer 4

erythema blanches on pressure whereas purpura does not

Question 5

What can cause hyperpigmentation?

Answer 5

increased melanain
haemosiderin
direct chemical staining

Question 6

What is the name for a flat localised coclour change less than 2cm?

Answer 6

macule

Question 7

What is the name for a flat localised colour change greater than 2cm?

Answer 7

patch

Question 8

What is the name for a raised lesion

Answer 8

papule

Question 9

What is the name for a raised lesion >0.5cm?

Answer 9

nodule

Question 10

What is a maculopapular rash made up of?

Answer 10

flat and elevated components

Question 11

What is a lesion with a raised edge and flatter surface >1cm?

Answer 11

plaque

Question 12

What is a wheal?

Answer 12

a compressible dermal swelling

Question 13

What is the name for a fluid filled lesion less than 0.5cm?

Answer 13

vesicle

Question 14

What is the name for a fluid filled lesion greater than 0.5cm?

Answer 14

bulla

Question 15

What is a cyst?

Answer 15

nodule containing semi-solid material

Question 16

What is a puss filled nodule?

Answer 16

pustule

Question 17

What is the difference between an ulcer and an erosion?

Answer 17

An erosion is a superficial break in the epidermis whereas the ulcer is a break into the dermis