skin last min

Question 1

which layer contains melanocytes?

Answer 1

Stratum basale

Question 2

which layer contains ketatin

Answer 2

Stratum spinosum

Question 3

Stratum corneum

Cells in this row

function

Answer 3

Corneocytes - horny cells

dead keratinocytes,
give structure
chemical barrier
water resistant

Question 4

stratum lucidum

Answer 4

clear layer in soles and palms of hands and feet

transparent cells

reduce friction between
stratum granulosum and corneum

Question 5

Stratum Granulusoum

cells

Answer 5

flat cells, no nuclei, allow them to have lots of keratin, hard rigid layer

Question 6

which layer makes keratin

Answer 6

stratum spinosum

Question 7

which layer makes melanocytes

Answer 7

stratum basale

Question 8

Dermis

3 structural properties

Answer 8

-fibrous
-made of CT
-made of crosslinking collagen and elastin fibers

Question 9

2 layers of dermis

Answer 9

Papillary layer
Reticular Layer

Question 10

Dermis Layers Composition

Papillary Layer

Answer 10

highly vascular, loose, CT.

Question 11

Dermis Layers Composition

Reticular Layer

Answer 11

Thick, dense, CT
Majority of layer

contains nerves, vessels, follicles, glands

Question 12

Ehlers-Danlos Syndrome

Defect in what?

Answer 12

Collagen

Question 13

Ehlers-Danlos Syndrome

What is seen on physical exam?

Answer 13

Hypermobility of joints bc weak CT

Elastic skin

Question 14

Ehlers-Danlos Syndrome
Secondary Problems

Answer 14

Scoliosis/kyphosis
Ruptured arteries and organs
Thin corneas

Question 15

Marfan syndrome

Defect in what?

Answer 15

Connective Tissue

Question 16

Marfan syndrome

Cause?

Answer 16

FIBRILIN1 mutation

Codes for fibrillin and the elastic fibers of CT

Question 17

Marfan Syndrome Appearance

Answer 17

Long narrow face
Tall thin build
digits long
scoliosis 60%
Sternum defects

Question 18

_____% of people with Marfans develop changes in heart and vessels.

Answer 18

90

Question 19

Marfans

Aortic aneurysm

Answer 19

Walls of aorta, become weak, bulge out and could rupture.

Usually aortic root

Question 20

Marfans

Aortic dissection

Answer 20

Aorta tear, blood enters middle level
possible rupture

Question 21

Marfans

Heart valve problems

Answer 21

weak valve, regrug

Question 22

Squamous Cell carcinoma

Which layer and color

Answer 22

red elevation on skin

Stratum spinosum

Metastasize if not removed

Question 23

Basal cell carcinoma

shape

% cure
% white ppl

Answer 23

Basal cell layer

DOme shape forms ulcer

99% curable
30% white

Question 24

Melanoma

Layer?

% of skin cancers

Chance of survival is poor if the lesion

Answer 24

basal

5%

> 4mm