Questions with 100% Correct Answers |
Latest Update
Skin Facts - 🧠 ANSWER ✔✔-Size: 2 square meters
-Weight: 15% TBW
-Recieves 1/3 of total circulation.
-Largest Organ
Skin Functions - 🧠 ANSWER ✔✔-Thermoregulation
-Protection
-Immunity
,-Sensation
-Metabolism
-Communication
Epidermal Appendages (Skin) - 🧠 ANSWER ✔✔-Nails
-Hair Follicles
-Sweat glands
Epidermis (Layers--superficial to deep) - 🧠 ANSWER ✔✔-Stratum corneum
-stratum lucidum
-stratum granulosum
stratum spinosum
-stratum basle
Epidermis - 🧠 ANSWER ✔✔-Outermost layer
-uniform thickness (except palms/soles = 0.06-0.6 mm)
-Stratified squamos epithelial cells ( 20 cells thick; Very young/old have
only 12)--> leads to more wounds
-5 Layers
,Stratum Corneum - 🧠 ANSWER ✔✔-Top horny Layer
-cells elongate
-dead keratinized cells
-sloughs off and is replaced by cells below
Stratum Lucidum - 🧠 ANSWER ✔✔-Few Layers of dead keratinocytes
Stratum Granulosum - 🧠 ANSWER ✔✔-3-5 layers of cells
-Diamond Shaped Cells
Stratum Spinosum - 🧠 ANSWER ✔✔-Prickly Layer
-Cells have active nuclei
Stratum Basale - 🧠 ANSWER ✔✔-AKA- Basal Layer (Stratum
Germinativum)
-Attached to dermis by basement membrane
-Takes 2-4 weeks to migrate upward
-Melanocytes
Basement Membrane - 🧠 ANSWER ✔✔-Separates epidermis from dermis
-Rete pegs - point up
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, -Rete ridges - point down
-Ancer epidermis to dermis
-Flattens with age (leads to ski tears)
Langerhans Cells - 🧠 ANSWER ✔✔-Produced in bone marrow
-migrate to epidermis
-Fight bacteria and viral fungal infection
-Decrease with Age and UV exposure --> decrease immune function
Papillary Dermis - 🧠 ANSWER ✔✔-Layer just below the basement
membrane
-Elastic Fibers
-Papillary loops provide nutrients to dermis
Reticular Dermis - 🧠 ANSWER ✔✔-Forms base of dermis
-Thick collagen fibers
-Cutaneous blood vessels
Important Dermal Cells - 🧠 ANSWER ✔✔-Fibroblasts
-Macrophages