Anatomy & Physiology (6th Edition)
6th Edition
ISBN: 9780134156415
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Textbook Question
Chapter 5.8, Problem 21CYU
What chemicals produced in the skin help provide barriers to bacteria? List at least three and explain how the chemicals are protective.
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What chemicals produced in the skin help provide barriers to bacteria? List at least three and explain how the chemicals are protective.
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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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- Nonhealing wounds on the surface of the body are often extremely difficult to manage, in part because the microbial cause of the lack of healing is often extremely difficult to identify. Create a list of 4 reasons this might be the case.arrow_forwardExplain the following Sweat glands in the armpits secrete perspiration with a pH close to neutral (7.0). How does this fact help explain body odor in this area as compared to other parts of the skin? Human immunodeficiency virus (HIV) preferentially destroys CD4+ cells. Specifically, what effect does this have on antibody and cell-mediated immunity? How does a phagocyte “know” it is in contact with a pathogen instead of another body cell?arrow_forwardList and describe the steps in inflammation and describe how it can be helpful.arrow_forward
- Which of the following is a barrier against pathogens provided by the skin? a. low pH b. mucus c. tears d. ciliaarrow_forwardExplain how unbroken skin, the phagocytic action of neutrophilsand macrophages, inflammation, and cell-mediated immunity allhelp to protect against staphylococcal infection.arrow_forwardDescribe the properties of microorganisms that grow well onthe skin.arrow_forward
- Identify the major mechanical and chemical defenses that protect internal tissues from microbial attack.arrow_forwardList the local signs and symptoms of inflammation.arrow_forwardWhich of the following statements about plaque psoriasis is true? a)the disease lesion only occurs after the skin is physically wounded b)altered CCN function is reflected by increased macrophages , mast cells and dendritic cells in the dermal layer c)in considering the 7 outputs to health and wellness, psoriasis only appears to negatively impact the "physical" d)in psoriasis, the keratinocytes do not divide rapidly enough to maintain skin structurearrow_forward
- The following descriptions of superficial burns are correct except( ) A) Include first degree and superficial second degree burns B) Wet, pink and blistered C) Blanches with pressure and painful D) Slow healing with hypertrophic scar and contracture E) Sufficient epithelial appendages could improve the healingarrow_forward3. A 28-year-old man has the rash shown on his elbows and knees. Abnormal proliferation of which of the following cell types in the skin best explains the scaling? A) Fibroblasts B) Histiocytes C) Keratinocytes D) Langerhans cells E) Mast cells F) Melanocytes G) Neutrophilsarrow_forwardWhat is the role of the immune system in the prevention and treatment of chronic wound infections, and how can understanding the interactions between the host immune response and microbial pathogens lead to the development of more effective therapeutic interventions?arrow_forward
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