Keratinocytes - Study guides, Class notes & Summaries

Wound Care Exam 1 (1st half) Latest Version Graded A+ Skin Facts -Size: 2 square meters -Weight: 15% TBW -Recieves 1/3 of total circulation. -Largest Organ Skin Functions -Thermoregulation -Protection -Immunity -Sensation -Metabolism -Communication Epidermal Appendages (Skin) -Nails -Hair Follicles -Sweat glands Epidermis (Layers--superficial to deep) -Stratum corneum -stratum lucidum -stratum granulosum stratum spinosum -stratum basle Epidermis -Outermo...

Wound Care 2 Questions and Answers Graded A+ Which of the following cells would you find in the dermis? Keratinocytes Macrophages Melanocytes Merkel cells Macrophages The collagen produced by fibroblasts in the dermis is responsible for giving the skin: Elastic recoil Insulation Sensation Tensile strength Tensile strength What cell recognizes and produces antibodies? Lymphocyte Neutrophil Platelet Red blood cell Lymphocyte What is the normal value for white blood...

Merkel Cell function somatosensory: light touch, neuroendocrine function? Which skin zone has the most genetic diseases? basement membrane zone Melanocytes synthesize the pigment melanin What happens during keratinization? flatten, lose organelles, form fibrous protein (keratin), dehydrate, thicken Predominant cells in the epidermis keratinocytes - 80%

Select the most correct statement concerning skin cancer. - Answer-Melanomas are rare but must be removed quickly to prevent them from metastasizing. ________ is an inherited condition that affects the heme pathway; it leaves the skin scarred and gums degenerated, and may have led to the folklore about vampires. - Answer-Porphyria A needle would pierce the epidermal layers of the forearm in which order? - Answer-corneum, granulosum, spinosum, basale The major regions of a hair shaft includ...

Select the most correct statement concerning skin cancer. - Answer-Melanomas are rare but must be removed quickly to prevent them from metastasizing. ________ is an inherited condition that affects the heme pathway; it leaves the skin scarred and gums degenerated, and may have led to the folklore about vampires. - Answer-Porphyria A needle would pierce the epidermal layers of the forearm in which order? - Answer-corneum, granulosum, spinosum, basale The major regions of a hair shaft includ...

what tissue types make up the integument? connective, epithelial, muscle (arrector pili), nervous (merkle cells) another term for integument cutaneous membrane study of skin: dermatology subcutaneous layer aka hypodermis, connective and adipose tissue layer just under the dermis thin skin covers most of the body thick skin Covers the palms of the hands and soles of the feet Has five layers of keratinocytes melanin A pigment that gives the skin its color and protects from UV exposurenevu...

BSC 2085 Exam 2 Questions and Answers 100% Pass Integumentary System- weight and area - Answer- Is the largest system of the body 16% of body weight 1.5 to 2 m2 in area How many parts makeup the integumentary system? - Answer- The integument is made up of two parts 1. Cutaneous membrane (skin) 2. Accessory structures Describe the Cutaneous Membrane - Answer- consist of two components: Outer epidermis Superficial epithelium (epithelial tissues) Inner dermis Connective tissues Access...

epidermis superficial region of skin composed of epithelial cells dermis middle region of skin composed mainly of fibrous connective tissue (fibroblasts) and occasionally mast cells as well as white blood cells hypodermis subcutaneous layer deep to skin composed mainly of adipose tissue, not technically part of the skin keratinocytes cells in epidermis that produce fibrous protein keratin; dead at the surface and held together by desmosomes when alive melanocytes cells deep in epidermis t...

BSC 2085 Exam 2 Questions and Answers 100% Pass Integumentary System- weight and area - Answer- Is the largest system of the body 16% of body weight 1.5 to 2 m2 in area How many parts makeup the integumentary system? - Answer- The integument is made up of two parts 1. Cutaneous membrane (skin) 2. Accessory structures Describe the Cutaneous Membrane - Answer- consist of two components: Outer epidermis Superficial epithelium (epithelial tissues) Inner dermis Connective tissues Access...

Functions of skin Protection, Thermoregulation, Cutaneous Sensation, Vitamin D synthesis, Blood Reservoir, Excretion and Absorption. Protective elements of skin Keratin, Lipids, Glandular Secretions, Melanin Thermoregulation Controls internal temp Vitamin D synthesis You need Vitamin D to absorb calcium Epidermis Superficial layer of skin. Avascular. 4 different cell types (Keratinocytes, Melanocytes, Langerhans cells, merkel cells) Keratinocytes 90% of cells. Keratin