Learning Curve

Question 1

An organ must absorb and excrete

Answer 1

True

Question 2

Moles were describe before the Renaissance period

Answer 2

True

Question 3

Laennec described the first melanoma

Answer 3

True

Question 4

Vit D is manufactured from what product by uv light

Answer 4

7-dehydrocholesterol

Question 5

Define parakeratosis

Answer 5

Incomplete maturation of keratinocytes where nuclei are retained in the stratum corneum

Question 6

What is the ratio of melanocytes to keratinocytes at the DEJ?

Answer 6

1:10

Question 7

A melanoacanthoma is..

Answer 7

A benign amelanocytic lesion

Question 8

T/f: Solar lentigo is melanocytic

Answer 8

False

Question 9

T/f: langerhans cells stain s100

Answer 9

True

Question 10

T/f: Hair of Asian skin is vertically orientated to the skin

Answer 10

True

Question 11

T/f: there is striated muscle in the dermis

Answer 11

True

Question 12

T/f: langerhans cells are present in the epidermis only

Answer 12

False

Question 13

T/f: the distal nail matrix lies under the lunula

Answer 13

True

Question 14

Why does hypopigmentation occur in vitiligo, halo naevi and cryotherapy

Answer 14

A loss of melanocytes

Question 15

Vitamin C plays a crucial role in what extracellular protein?

Answer 15

Collagen

Question 16

What level is considered severe vitamin D deficiency?

Answer 16

<12.5nmol/L

Question 17

T/f: there is no evidence of toxicity at vitamin D doses of up to 5000IU/day

Answer 17

True

Question 18

A reed nevus is always pigmented and has spindle cells

Answer 18

True

Question 19

A melanoma with a nodular component is by definition a nodular melanoma

Answer 19

False

Question 20

A melanoma that is confined to the epidermis, extends down the hair follicle to the fat on the scalp, is Clark level 5

Answer 20

False

Question 21

The difference between AK and IEC is that in AK, there are a few normal cell layers in the stratum spinosum

Answer 21

True

Question 22

Cell keratinization is a sign of poorly differentiated SCC

Answer 22

False