Anatomy & Physiology (6th Edition)
6th Edition
ISBN: 9780134156415
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 21SAQ
Why are there no skin cancers that originate from stratum corneum cells?
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Chapter 5 Solutions
Anatomy & Physiology (6th Edition)
Ch. 5.1 - Which layer of the skin-dermis or epidermis-is...Ch. 5.2 - While walking barefoot in a barn, Jeremy stepped...Ch. 5.2 - The stratum basale is also called the stratum...Ch. 5.2 - Why are the desmosomes connecting the...Ch. 5.3 - Which layer of the dermis is responsible for...Ch. 5.3 - Which tissue of the hypodermis makes it a good...Ch. 5.3 - You have just gotten a paper cut. It is very...Ch. 5.4 - Melanin and carotene are two pigments that...Ch. 5.4 - Prob. 9CYUCh. 5.4 - Which alteration in skin color may indicate a...
Ch. 5.5 - What are the concentric regions of a hair shaft,...Ch. 5.5 - Prob. 12CYUCh. 5.5 - What is the role of an arrectorpili muscle?Ch. 5.5 - What is the function of the hair papilla?Ch. 5.6 - Why is the lunule of a nail white instead of pink...Ch. 5.6 - Why are nails so hard?Ch. 5.7 - Which cutaneous glands are associated with hair...Ch. 5.7 - Prob. 18CYUCh. 5.7 - Prob. 19CYUCh. 5.7 - Sebaceous glands are not found in thick skin. Why...Ch. 5.8 - What chemicals produced in the skin help provide...Ch. 5.8 - Which epidermal cells play a role in body...Ch. 5.8 - How is sunlight important to bone health?Ch. 5.8 - Prob. 24CYUCh. 5.9 - Which type of skin cancer develops from the...Ch. 5.9 - What name is given to the rule for recognizing the...Ch. 5.9 - The healing of burns and epidermal regeneration is...Ch. 5.9 - Prob. 28CYUCh. 5 - Which epidermal cell type is most numerous? (a)...Ch. 5 - Which cell functions as part of the immune system?...Ch. 5 - The epidermis provides a physical barrier due...Ch. 5 - Skin color is determined by (a) the amount of...Ch. 5 - The sensations of touch and pressure are picked up...Ch. 5 - Which is not a true statement about the papillary...Ch. 5 - Skin surface markings that reflect points of tight...Ch. 5 - Which of the following is not an epidermal...Ch. 5 - An arrector pili muscle (a) is associated with...Ch. 5 - Prob. 10MCCh. 5 - Sebum (a) lubricates the surface of the skin and...Ch. 5 - Prob. 12MCCh. 5 - Which epidermal cells are also called prickle...Ch. 5 - Is a bald man really hairless? Explain.Ch. 5 - You go to the beach to swim on an extremely hot,...Ch. 5 - Prob. 16SAQCh. 5 - Describe the process of hair formation, and list...Ch. 5 - Prob. 18SAQCh. 5 - Prob. 19SAQCh. 5 - Prob. 20SAQCh. 5 - Why are there no skin cancers that originate from...Ch. 5 - A man got his finger caught in a machine at the...Ch. 5 - Prob. 23SAQCh. 5 - A common belief is that having your hair cut makes...Ch. 5 - Integumentary System A terrible collision between...Ch. 5 - Integumentary System A terrible collision between...Ch. 5 - Integumentary System A terrible collision between...Ch. 5 - Integumentary System A terrible collision between...
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- As you are walking down the beach, you see a dead, dry, shriveled-up fish. Which layer of your epidermis keeps you from drying out? stratum corneum stratum basale stratum spinosum stratum granulosumarrow_forwardOne of the functions of the integumentary system is protection. Which of the following does not directly contribute to that function? stratum lucidum desmosomes folic acid synthesis Merkel cellsarrow_forwardAn individual using a sharp knife notices a small amount of blood where he just cut himself. Which of the following layers of skin did he have to cut into in order to bleed? stratum corneum stratum basale papillary dermis stratum granulosumarrow_forward
- The papillary layer of the dermis is most closely associated with which layer of the epidermis? stratum spinosum stratum corneum stratum granulosum stratum basalearrow_forwardSquamous cell carcinomas are the second most common of the skin cancers and are capable of metastasizing if not treated. This cancer affects which cells? basal cells of the stratum basale melanocytes of the stratum basale keratinocytes of the stratum spinosum Langerhans cells of the stratum lucidumarrow_forwardCollagen lends ________ to the skin. elasticity structure color UV protectionarrow_forward
- Explain the differences between eccrine and apocrine sweat glands.arrow_forwardCells of the epidermis derive from stem cells of the stratum basale. Describe how the cells change as they become integrated into the different layers of the epidermis.arrow_forwardIn people who have the genetic disorder anhidrotic ectodermal dysplasia, patches of tissue have no sweat glands. What kind of tissue does this disorder affect?arrow_forward
- The papillary and reticular layers of the dermis are composed mainly of ________. melanocytes keratinocytes connective tissue adipose tissuearrow_forwardAn individual has spent too much time sun bathing. Not only is his skin painful to touch, but small blisters have appeared in the affected area. This indicates that he has damaged which layers of his skin? epidermis only hypodermis only epidermis and hypodermis epidermis and dermisarrow_forwardLangerhans cells are commonly found in the ________. stratum spinosum stratum corneum stratum granulosum stratum basalearrow_forward
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