Keratinocytes Study guides, Class notes & Summaries

Which of the following cell types provides a waterproofing function for the outer layers of skin? A. Melanocytes B. Keratinocytes C. Merkel cells D. Langerhans cells - correct answerB. Keratinocytes Keratinocytes contain the protein keratin. They are produced in the epidermis and migrate upwards. The tight junctions between cells prevent water entry. They eventually form a layer of dead cells on the skin surface, which produces a waterproofing effect. A person is suddenly frightened....

BIO 210 Lecture Unit 2 Exam Graded A+ 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...

DERMATOLOGY REVIEW QUESTIONS AND ANSWERS. 1. which one is not the epidermal cell？ D A. Keratinocyte B.melanocyte C.Langerhans cell D.fibroblast E.Merkel cell epidermis is divided into five layers, which layer is the ? E A.Stratum corneum B.stratum granulosum C.Stratum lucidum D.Stratum spinosum E.Basal cell layer 3. Under the normal conditions, How long does the keratinocytes pass through epidermal time is?D A.14 days B.6 days C.47 days D 28 days E13-19 days one is the secondary le...

Functions of Skin (6) - Answer 1. Protection 2. Insulation 3. Maintenance of homeostasis: fluid balance, regulation of body temp 4. Assists in metabolism: vit D production, aides in elimination of metabolic waste 5. Attachment of muscles (erector pili, frontalis) 6. Receptors in dermis give rise to cutaneous sensations 5 layers of epidermis - Answer 1. Stratum corneum 2. Stratum lucidum 3. Stratum granulosum 4. Stratum spinosum 5. Stratum basale Stratum cornuem - Answer...

Esthetics Exam Questions with Correct Answers The stratum corneum layer of the skin is composed of - Answer-keratinocytes What is the primary function of clay-type masks? - Answer-absorption Where should the practitioner begin when removing cleanser? - Answer-the neck Which muscle extends from the chest and shoulder muscles to the side of the chin? - Answer-mentalis When exfoliating, it is important NOT to use brushing machines, scrubs, or any harsh mechanical peeing techniques o...

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...

Turner Syndrome - Occurs when only one sex chromosome, the X chromosome, is present Affects females Person only has 45 chromosomes Characteristics: Short stature Can have mental deficits Causes of Edema - increased capillary hydrostatic pressure, loss of plasma proteins, obstruction of lymphatic circulation, increased capillary permeability Impetigo:Common infection in infants and children Caused by S. aureus-highly contagious in neonates - Signs and symptoms Lesions on the face which ...

HESI Pharmacology Real Exam Test Solutions With Verified Correct Answers 1) A nurse is caring for a client with hyperparathyroidism and notes that the client's serum calcium level is 13 mg/dL. Which medication should the nurse prepare to administer as prescribed to the client? 1. Calcium chloride 2. Calcium gluconate 3. Calcitonin (Miacalcin) 4. Large doses of vitamin D 3. Calcitonin (Miacalcin) Rationale: The normal serum calcium level is 8.6 to 10.0 mg/dL. This client is experien...

ESTHETICS SC STATE BOARD WRITTEN EXAM STUDY QUESTIONS AND ANSWERS, GRADED A+/ VERIFIED/ How much improvement in skincare is due to home care regimens? - -80% Contraindications for Waxing - -Topical or Oral Cortisone Sunburn Accutane NOT contraindications for waxing - -Hyaluronic Acid Treatments Type of skin contraindicated for vacuum machine - -Couperose Skin Male Facial Clients May need more calming/healing ingredients because - -Shaved skin can easily be irritated Voltage - -Measu...

IUPUI Anatomy Final Exam Questions and Answers Already Passed What is the major function of mitochondria? produce ATP Trabeculae are found in? Spongy Bone The primary site of protein synthesis is the? Ribosome In anatomical description, a person is prone when? lying face down in anatomical position The phagocytic cells in the epidermis are? Langerhans cells In osseous tissue, which of the following are found in lacunae? Osteocytes The least common type of cartilage is? Elastic cartilage W...