Keratinocytes Study guides, Class notes & Summaries
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Hondros Bio 253 Exam | 85 Questions and Answers(A+ Solution guide)
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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...
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Oregon State Board Exam - Esthetics (2023)Solved And Already Graded A+
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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 ...
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Michigan Esthetician State Board Theory Questions and Answers Already Passed
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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...
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Milady Esthetics Final Exam: Questions & Answers: Updated A+ Score Solution
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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...
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ATI TEAS Practice Test A Questions & Answers RateWhich 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 - ANSWERSBd A+
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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 ...
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HESI Pharmacology Version 1 (V1) Test Bank; 2022 2023; 100% Verified Questions and Answers
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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...
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MEGA CIBTAC PRACTICE EXAM| 241 QUESTIONS| WITH COMPLETE SOLUTIONS
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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...
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SimUText: Mendelian Pigs Latest 2023 Graded A+
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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...
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Final Exam: BIOS 251 / BIOS251 (2024/ 2025 Update) Anatomy and Physiology I Review with Grade A Questions and Verified Answers| 100% Correct| -Chamberlain
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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 ...
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Final Exam: BIOS 251 / BIOS251 (New 2024/ 2025 Update) Anatomy and Physiology I Complete Guide with Questions and Verified Answers| 100% Correct| -Chamberlain
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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...
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