Dermatology

Question 0

What are finger-like connective tissue protrusions in the dermis called?

Answer 0

Dermal Papillae

Question 1

What are the 5 layers of the epidermis?

Hint: Corn, Lucid, Grain, Spine, Base

Answer 1

Stratum Corneum - physical barrier

Stratum Lucidum - only in thick skin (palm, soles of feet)

Stratum Granulosum - superficial layer of nonkeratinized cells, has keratohyalin granules (produce filaggrin which cements keratin together)

Stratum Spinosum - has spinous/prick cells, contain desmosomes

Stratum Basale - aka Stratum Germinativum

Question 2

What is the estimated age of gestation (EAG) when the embryo becomes a fetus?

Answer 2

60 days or 2 mos.

Question 3

What is the earliest fetal and neonatal stool called?

Answer 3

Meconium

Question 4

What is the spontaneous hair loss of newborn called?

Answer 4

Telogen effluvium

Question 5

This manifests like a cheesy varnish (an intact epithelium protected by a whitish greasy film)
It covers the skin and body folds of newborn for 4 weeks (extrauterine life)
Antibacterial and a lubricant

Answer 5

Vernix caseosa

Question 6

This occurs in low birth weight infants
Upper half of body is pale while lower half of body is deep red
Disappears when infant is placed on his/her back/abdomen

Answer 6

Harlequin color change

Question 7

Flaking off of vernix caseosa when it dries up leaves the newborn skin with intense _______.

Answer 7

Erythema neonatorum

Question 8

Manifests as mottling and blotchy duskiness

May indicate Down’s syndrome if present after 6 mos

Answer 8

Cutis marmorata

Question 9

Manifests as multiple, uniform, pinpoint yellowish papules in newborn
Reflects influence of maternal influence

Answer 9

Sebaceous gland hyperplasia

Question 10

1-2 mm yellowish white keratinous cysts found in mouth of neonates, along alveolar ridges and midline of hard and soft palate

Answer 10

Epstein’s pearls

Question 11

Also known as the mask of pregnancy

Blotchy, light to dark brown macules/patches

Answer 11

Melasma / cholasma

Question 12

Common among the pregnant

Linear, pink-violaceous, atrophic lines caused by breakage of elastin fibers

Answer 12

Striae gravidarum / striae distensae

Stretch marks

Question 13

5 mm, fresh colored (some hyperpigmented) pedunculated papules found in the lateral neck, axillae and chest of the pregnant during the latter stage of pregnancy

Answer 13

Molluscum fibrosum gravidarum /Acrochorcordon

Skin tags

Question 14

Mild to moderate hair growth of the pregnant

Answer 14

Hirsutism

Question 15

Glandular activity of the pregnant. Increase or decrease?

1 Eccrine
2 Apocrine
3 Sebaceous

Answer 15

1 Increase
2 Decrease
3 Increase

Question 16

Increased estrogen results to distension, fragility and proliferation of blood vessels among the pregnant
‘Spider-like’
Skin condition is called?

Answer 16

Vascular angiomata (vascular spiders)

Question 17

Conposition of dermis which attracts and binds water to preserve plumpness and turgor of skin
Natural moisturizing ingredient

Answer 17

Hyaluronic acid

Question 18

Specialized cellular vesicles or organelles where melanin granules are inserted

Answer 18

Melanosomes

Question 19

Abscence of enzyme tyrosinase will disable tyrosine (substrate) from being converted to pheomelanin (fair skin) or eumelanin (dark skin)

What skin condition results?

Answer 19

Albinism

Question 20

Cell which presents antigens

Action results to allergic contact dermatitis

Answer 20

Langerhans cell