skin/lesions

Question 1

what are the 2 layers of skin

Answer 1

epidermis, dermis, there is a third layer called hypodermis, however it isn’t part of the actual skin

Question 2

epidermis

Answer 2

dead/mostly dead, divided into 4 strata

1) status corneum
2) stratum lucidum
3) stradum granulosa

Question 3

dermis

Answer 3

where hair is rooted
feeds epidermis
contains all components of the skin

Question 4

hypodermis

Answer 4

holds skin to body

Question 5

what is the largest organ of the body and how much does it weigh

Answer 5

skin

6 pounds

Question 6

what does skin do

Answer 6

provides protection, regulation, sensation, secretion

Question 7

hair

Answer 7

provides sensation, protection and filters foreign particles

Question 8

sebaceous gland

Answer 8

secretes sebum, lubricates hair and skin, protects absorption of harmful chemicals, protects from dehydration

Question 9

sweat glands (sudoriferous)

Answer 9

secretes sweat
rids body of waste
cools body by evaporating

Question 10

nails

Answer 10

composed of hard karatin

protects ends of fingers and toes

Question 11

break down of lesions

Answer 11

primary or secondary
flat or raised
solid or fluid filled

Question 12

primary lesion

Answer 12

at or above skin level

flat
1)macule-small and coloured- ex-freckle

raised

1) papule-small-ex-wart
2) nodule-bigger than a papule ex- Nevis aka birthmark
3) tumour- bigger than a nodule ex- lipoma aka fat tumour
4) wheal- varies in shape, colour and size. biggest difference here is it swells. ex- hives, mosquito bite

fluid filled

1) vesicle- small ex- chickenpox
2) pustule- small ex- pus-filled acne
3) bulla- larger ex- second degree burn

Question 13

secondary lesion

Answer 13

below skin level

1) excoriation-into the epidermis (scratch)
2) fissure- into the dermis (cracked dry skin)
3) ulcer- deep into the dermis (bedsore)

Question 14

ecchymosis

Answer 14

also known as a bruise - collection of blood under the skin due to leakage from blood vessels

Question 15

petechiae

Answer 15

Flat, purplish-red, pinpoint spots on the skin caused by bleeding within the skin

Question 16

pediculosis

Answer 16

infestation with lice

Question 17

rosacea

Answer 17

skin condition, mainly of the space, of unknown cause and presenting as redness of skin, pustules, and overactive sebaceous glands.

Question 18

diaphoresis

Answer 18

sweating, especially to an unusual degree as a symptom of disease or a side effect of a drug.

Question 19

excoriation

Answer 19

scratch

Question 20

urticaria

Answer 20

hives; a rash of round, red welts on the skin that itch intensely, sometimes with dangerous swelling, caused by an allergic reaction

Question 21

psoriasis

Answer 21

chronic, hereditary skin disorder marked with red lesions covered by silvery scales

Question 22

comedo

Answer 22

blackheads

Question 23

vitiligo

Answer 23

a condition in which the pigment is lost from areas of the skin, causing whitish patches, often with no clear cause.

Question 24

impetigo

Answer 24

a contagious bacterial skin infection forming pustules and yellow crusty sores.

Question 25

sebum

Answer 25

oily recreation of the sebaceous glands.

Question 26

melanin

Answer 26

a dark brown to black pigment occurring in the hair, skin, and iris of the eye in people and animals. It is responsible for tanning of skin exposed to sunlight.

Question 27

integumentary

Answer 27

The integumentary system is made up of skin and other related structures

Question 28

ulcer

Answer 28

skin lesion resulting from destruction of the skin, and sometimes subcutaneous tissue

Question 29

hypodermis

Answer 29

layer below the skin composed of adipose and connective tissue

Question 30

dermis

Answer 30

layer of skin composed of nerves, blood vessels, connective tissue and lympatics