ANATOMY & PHYSIOLOGY LL W/CONNECT ACCESS
4th Edition
ISBN: 9781265521363
Author: McKinley
Publisher: MCG
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Chapter 6, Problem 9DYKB
Summary Introduction
Introduction:
The epidermis is the outer layer of skin. It consists of five layers. The skin is an important organ of the integumentary system. It provides protection to bones, tendons, muscles, and ligaments from injuries and damage.
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Which epidermal cell type is responsible for detecting touch sensations? a. keratinocyte b. melanocyte c. tactile cell d. epidermal dendritic cell
Melanocytes and keratinocytes work together in protecting the skin from UV damage when keratinocytes ________
a.maintain the appropriate pH in order for the melanocyte to synthesize melanin granules.
b.provide the melanocyte with nutrients necessary for melanin synthesis.
c.maintain the appropriate temperature so the product of the melanocyte will not denature.
d.accumulate the melanin granules on their superficial portion, forming a UV-blocking pigment layer.
Which of the following statements about epidermal cell types is false?
a. Keratinocytes produce the fibrous keratin protein
b. Melanocytes produce the pigment melanin
c. Langerhans cells produce macrophages
d. Merkel cell send information to sensory neurons
e. None of the above
Chapter 6 Solutions
ANATOMY & PHYSIOLOGY LL W/CONNECT ACCESS
Ch. 6.1 - As you trim your roses, a thorn penetrates your...Ch. 6.1 - Briefly describe the process of keratinization....Ch. 6.1 - Prob. 3WDYLCh. 6.1 - Prob. 4WDYLCh. 6.1 - Compare and contrast the papillary versus...Ch. 6.1 - What is indicated by the lines of cleavage in the...Ch. 6.1 - What types of tissue form the subcutaneous layer?Ch. 6.1 - How does the skin produce vitamin D?Ch. 6.1 - Is the skin entirely waterproof? Explain.Ch. 6.1 - Prob. 10WDYL
Ch. 6.2 - Prob. 11WDYLCh. 6.2 - What are the three zones of a hair?Ch. 6.2 - How does hair function in protection and heat...Ch. 6.2 - Prob. 14WDYLCh. 6.2 - What do sebaceous glands secrete, and where is...Ch. 6.3 - What is granulation tissue, and when does it...Ch. 6.4 - What two primary germ layers form the integument?Ch. 6.4 - How do UV rays contribute to skin aging?Ch. 6 - Prob. 1DYKBCh. 6 - _____ 2. The layer of the epidermis in which cells...Ch. 6 - _____ 3. The sweat glands that communicate with...Ch. 6 - _____ 4. Which of the following is not a function...Ch. 6 - Prob. 5DYKBCh. 6 - Prob. 6DYKBCh. 6 - Prob. 7DYKBCh. 6 - _____ 8. The cells in a hair follicle that are...Ch. 6 - Prob. 9DYKBCh. 6 - Prob. 10DYKBCh. 6 - Describe the composition of the layers of the...Ch. 6 - Prob. 12DYKBCh. 6 - Describe the tissue type and structure of the two...Ch. 6 - Prob. 14DYKBCh. 6 - Compare the structure and composition of the...Ch. 6 - Prob. 16DYKBCh. 6 - Where are ceruminous glands located, and what do...Ch. 6 - Discuss the steps involved in wound repair of the...Ch. 6 - Prob. 19DYKBCh. 6 - Prob. 20DYKBCh. 6 - Prob. 1CALCh. 6 - Prob. 2CALCh. 6 - Prob. 3CALCh. 6 - Prob. 1CSLCh. 6 - Prob. 2CSLCh. 6 - At the age of 50, John noticed that one of the...
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- Epidermal ridges are caused by: a. the epidermal papillae. b. mounds of papillary dermis arranged into dermal ridges. c. gaps between collagen bundles in the reticular layer. d. tight binding of the reticular layer to deeper structuresarrow_forwardMatch each numbered item with the most closely related lettered item.1. integument2. fingernails3. keratin4. tactile cells5. melanocytes6. keratinocytes7. epidermal dendritic cell8. subcutaneous layer9. reticular layer10. arrector pilia. smooth muscle attached to hair follicleb. most numerous epidermal cellc. a phagocytic cell (active in immune response)d. layer deep to dermise. formed from stratum corneumf. receptors for touchg. composed of epidermis and dermish. dense irregular connective tissuei. fibrous protein in epidermisj. pigment-forming cellsarrow_forwardMatch the following epidermal layer with the correct term. This layer is water resistant and A. Stratum germinativum or basale contains 20-30 layers of dead keratinized cells. Keratinocytes start producing B. Stratum Corneum keratin and keratohyalin here. By the time keratinocytes cells reach this layer, most would have stopped dividing. This glassy layer is present only C. Stratum Granulosum in thick skin (palms and soles). This layer contains keratinocytes D. Stratum Spinosum undergoing mitosis. Melanocytes and Merkel cells are found in this layer. This layer contains epidermal dendritic cells, also known as Langerhans cells. E. Stratum Lucidumarrow_forward
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- Similar to the hair, nails grow continuously throughout our lives. Which of the following is furthest from the nail growth center? a. nail bed b. hyponychium c. nail root d. eponychiumarrow_forwardI’m confusedarrow_forwardDIRECTIONS: Match the letter of the description and/or function to the epidermal layer that defines it. A. Outermost layer of dead keratinocytes that protect the skin 6. Stratum basale B. Layer of skin composed of areolar and dense irregular connective tissues 7. Stratum spinosum C. Layer of keratinocytes that undergo apoptosis via keratinization 8. Stratum granulosum D. Single layer of active stem cells that undergo somatic cell division 9. Stratum lucidum E. Layer of skin composed of adipose and areolar connective tissue 10. Stratum corneum F. Layer of keratinocytes with intermediate filaments to resist tension G. Layer of clear, flat, dead keratinocytes found only in thick skinarrow_forward
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