Study Guide for Gould's Pathophysiology for the Health Professions
6th Edition
ISBN: 9780323414142
Author: Hubert BS, Robert J; VanMeter PhD, Karin C.
Publisher: Saunders
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Question
Chapter 8, Problem 1P
Summary Introduction
To identify: The five primary functions of skin.
Introduction: The skin is the outer protective covering of the body. It is the largest organ of the body. The skin and its accessory components, such as hair, nails, and glands make up the integumentary system of the body. This specialized tissue system contains glands that secrete several fluids, blood vessels, and the nerves that carry impulses, which help to regulate the body temperature.
Expert Solution & Answer
Explanation of Solution
The five functions of the skin are listed below:
- 1. Protection: The sebaceous glands of the skin secrete sebum that is acidic and prevents bacterial growth. Thus, skin provides the first line defense against invasion by microorganisms and other foreign material.
- 2. Thermoregulation: The blood vessels and sweat glands of the skin regulate the body temperature.
- 3. Synthesis and activation of vitamin D: When the skin is exposed to small amounts of ultraviolet light, it synthesizes and activates vitamin D.
- 4. Water resistance: The skin prevents excessive loss of fluid from the body.
- 5. Sensation: The nerve endings detect injury, touch, vibration, pressure, and temperature.
Conclusion
The five functions of the skin include protection, thermoregulation, synthesis and activation of vitamin D, water resistance, and senasation.
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Chapter 8 Solutions
Study Guide for Gould's Pathophysiology for the Health Professions
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The Integumentary System, Part 1 - Skin Deep: Crash Course Anatomy & Physiology #6; Author: CrashCourse;https://www.youtube.com/watch?v=Orumw-PyNjw;License: Standard youtube license