Human Anatomy & Physiology (2nd Edition)
2nd Edition
ISBN: 9780134553511
Author: Erin C. Amerman
Publisher: PEARSON
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Question
Chapter 5, Problem 1CYU
Summary Introduction
To review:
The rationale behind the lack of bleeding after cutting nails and pulling hair.
Introduction:
Blood is the connective tissue that provides oxygen and nutrition to all the body cells. Whenever a body part is injured, due to the presence of a vast network of blood vessels, it bleeds. However, cutting nails and pulling hair does not lead to bleeding. The rationale behind this phenomenon is explained below.
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Chapter 5 Solutions
Human Anatomy & Physiology (2nd Edition)
Ch. 5.1 - 1. What are the major structures of the skin, and...Ch. 5.1 - 2. How does the integument provide protection...Ch. 5.1 - Prob. 3QCCh. 5.1 - What are the other functions of the integument?...Ch. 5.2 - 1. What are the five strata of the epidermis? How...Ch. 5.2 - How does a keratinocyte that begins its life in...Ch. 5.2 - Prob. 3QCCh. 5.2 - Prob. 4QCCh. 5.3 - Which type of tissue makes up the papillary layer...Ch. 5.3 - What are the functions of the dermal papillae?
Ch. 5.3 - 3. Which type of tissue makes up the reticular...Ch. 5.3 - 4. What other structures are located in the...Ch. 5.3 - 5. How does the papillary layer of the dermis...Ch. 5.3 - What causes tension lines and flexure lines? How...Ch. 5.4 - How is melanin produced, and how does it interact...Ch. 5.4 - What are the functions of melanin?Ch. 5.4 - 3. What is carotene, and what color does it give...Ch. 5.4 - Prob. 4QCCh. 5.4 - 5. How can the oxygen content of the blood affect...Ch. 5.4 - 6. What is cyanosis, and what can it tell us...Ch. 5.5 - How do the hair shaft and hair root differ?Ch. 5.5 - How does a hair grow in length?Ch. 5.5 - Prob. 3QCCh. 5.5 - Define the following terms: nail bed, nail plate,...Ch. 5.5 - How does nail growth occur?Ch. 5.5 - Prob. 6QCCh. 5.5 - What are the other three types of sweat glands,...Ch. 5.5 - 8. How do sebaceous glands and sebum differ from...Ch. 5.6 - Prob. 1QCCh. 5.6 - Prob. 2QCCh. 5.6 - What is cancer?Ch. 5.6 - 4. How do the three types of skin cancer differ?
Ch. 5 - Explain why the skin is an organ.Ch. 5 - Which of the following correctly describes the...Ch. 5 - Which of the following is not a function of the...Ch. 5 - 4. Explain what happens to dermal blood vessels...Ch. 5 - Number the strata of thick skin epidermis from...Ch. 5 - Keratinocytes in the superficial strata of the...Ch. 5 - Mark the following statements as true or false. If...Ch. 5 - Which of the following statements is false? a....Ch. 5 - What are the functions of the dermal papillae?Ch. 5 - Epidermal ridges are created by: a. the epidermal...Ch. 5 - 11. Mark the following statements as true or...Ch. 5 - 12. Which of the following is not a function of...Ch. 5 - 13. Fill in the blanks: The portion of the hair...Ch. 5 - Nail growth occurs when: a. cells in the nail...Ch. 5 - Prob. 15CYRCh. 5 - Match each type of gland with its correct...Ch. 5 - How do sweat and sebum differ?Ch. 5 - 18. Which type of burn involves the epidermis and...Ch. 5 - 19. The type of skin tumor that involves the...Ch. 5 - Prob. 1CYUCh. 5 - Prob. 2CYUCh. 5 - The hair and nails are sometimes called accessory...Ch. 5 - 1. You are working in the emergency department...Ch. 5 - 2. After Ramon’s skin came into contact with a...Ch. 5 - 3. Which of the following is not a function of...Ch. 5 - 4. What would happen to the skin if the oil...Ch. 5 - Many antiaging skin creams contain collagen and...Ch. 5 - 6. Would a mild second-degree burn be likely to...
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- The papillary layer of the dermis is most closely associated with which layer of the epidermis? stratum spinosum stratum corneum stratum granulosum stratum basalearrow_forwardHow do you make your skin lighter (from brown to white) and how do you make this change last?arrow_forwardwhy don't dogs sweat?arrow_forward
- Someone doing manual labor what would you see when looking at a section of the dermis of their hands?arrow_forwardIf two people enjoy being in the sun, which one of them wouldyou expect to get more wrinkles—the individual who has usedsunscreen all his or her life, or the individual who has neverused sunscreen? Why?arrow_forwardSuddenly you feel a sudden pinch and notice that you are bleeding. Are you still in the epidermis? Explain what happened to cause the bleeding.arrow_forward
- Name the layer of the epidermis that you see when you look at someone's facearrow_forwardWhere do hair cells undergo mitosis? hair papilla sebaceous gland hair matrix the hair shaftarrow_forwardAccording to the video “The Biology of Skin Color”, what is the pigment in our skin that reflects or absorbs light? A. Magnesium B. Melatonin C. Melanin D. Chlorophyllarrow_forward
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