Keratinocytes Study guides, Class notes & Summaries

Layers of the skin - epidermis, dermis, hypodermis Stratum Corneum - Protective durable overcoat, waterproof, tough, relatively insensitive to biological, chemical and physical assault. Stratum Lucidum - visible only in thick skin, few layers thick, dead clear cells Stratum Granulosum - 3-5 layers of thick keratinocytes flastten out Stratum Spinosum - overlies the stratum basale, cells come from the basale, filaments u the cells that resist tension, keratinocytes have a spiny appearance, c...

Oregon State Board Exam - Esthetics (2023)Solved And Already Graded A+ Oregon State Board Exam - Esthetics (2023)Solved And Already Graded A+ The muscles that respond automatically to control various body functions are: anterior striated voluntary non-striated - Answer non-striated Bacteria are single cells that are circular, spiral or: rod- shaped square-shaped angular-shaped triangular- shaped - Answer rod- shaped Disease-producing bacteria are called: virus microbes ...

Michigan Esthetician State Board Theory Questions and Answers Already Passed What item should be used on tools and implements that have not come in contact with blood or body fluids? Broad-Spectrum Disinfectants What machine is used to sterilize surgical instruments with high-pressure and high-temperature vapors? Chemiclave Instruments can be pre-cleaned using: High-frequency energy waves What is the Occupational Safety and Health Administration (OSHA) responsible for? Enforces safety and he...

Why is UVB radiation also know as "burning rays"? (Ans- UVB wavelengths cause burning of the skin as well as cancer What is NOT an element of the skins acid mantle? (Ans- Blood What causes injured skin to restore itself to its normal thickness? (Ans- Hyperproduction of cells What are the items in the dermis that respond to touch, pain, cold, heat and pressure? (Ans- Sensory nerve endings What are most abundant in the fingertips, as opposed to other parts of the body? (Ans...

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 - ANSWERSB. 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. Which ...

HESI Pharmacology Version 1 (V1) Test Bank; 2022 2023; 100% Verified Questions and Answers HESI Pharmacology Version 1 (V1) Test Bank 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 c...

What are Corrugations? correct answer: Wavy ridges caused by uneven nail growth; usually result of illness or injury. (No impact) (Treatment: Buff over nails, keep hydrated with oil.) What is the definition of Anatomy? correct answer: The study of body structure What is the stratum germinativum (stratum basale)? correct answer: -deepest live layer of the epidermis -produces new epidermal skin cells (mitosis) - Moisture content approximately 83% What is the stratum corneum? correc...

SimUText: Mendelian Pigs Latest 2023 Graded A+ Explain the general pathway of eukaryotic Membrane protein production in the nucleus of a diploid cell there are 2 alleles. They are both transcribed by RNA polymerase into premRNA. The premRNA is spliced and exits the nucleus where it is associated w/ a tRNA w/ the corresponding anticodon, causing the tRNA (linked to an amino acid) to bind to the ribosome. The mRNA does this by itself binding to the ribosome. The polypedide chain is synthesized. Ri...

Final Exam: BIOS 251 / BIOS251 (2024/ 2025 Update) Anatomy and Physiology I Review with Grade A Questions and Verified Answers| 100% Correct| -Chamberlain Q: The outer covering of bone that helps regulate bone thickness is known as the _________. Answer: Periosteum Q: The two ends of a long bone are known as the ______. Answer: Epiphysis Q: What occurs during endochondral ossification? Answer: Calcification Cartilage is replaced by bone Q: What is ...

Final Exam: BIOS 251 / BIOS251 (New 2024/ 2025 Update) Anatomy and Physiology I Complete Guide with Questions and Verified Answers| 100% Correct| -Chamberlain QUESTION Name the 3 layers that make up the skin in their proper order. Answer: Epidermis Dermis Hypodermis QUESTION What is NOT an accessory structure of the skin? Answer: Arrector pili muscle QUESTION Describe the epidermis Answer: Thin outer layer. Thicker at palms and soles. Contai...