Human Anatomy & Physiology
1st Edition
ISBN: 9780805382952
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
Ch. 5.1 - 1. What are the major structures of the skin, and...Ch. 5.1 - Explain how the integument provides protection...Ch. 5.1 - Prob. 3QCCh. 5.1 - Describe the other functions of the integument....Ch. 5.2 - 1. What are the five strata of the epidermis? How...Ch. 5.2 - Explain how a keratinocyte that begins its life in...Ch. 5.2 - In addition to keratinocytes, what three types of...Ch. 5.2 - Compare and contrast thin and thick skin.Ch. 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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Manufacturers of shampoos and conditioners often claim their products contain vitamins that are necessary to keep hair shafts healthy. Do hair shafts need vitamins?arrow_forwardYou have just gotten a paper cut. It is very painful, but it doesn’t bleed. Has the cut penetrated into the dermis or just the epidermis?arrow_forwardFour of the five statements below are common misconceptions about hair and fingernails. Which one is true? Multiple Choice Eating foods like gelatin that contain a lot of collagen will make nails harder. О Cutting hair makes it grow faster and thicker. О Each scalp hair can grow for several years before falling out. о Emotional stress can make hair turn white overnight. Hair and nails continue to grow after a person dies.arrow_forward
- Why is it important to wear masks?arrow_forwardYou develop a callus, which is a thickening of the epidermis, from a pair kd I'll-fitting shoes. To treat the callus, you decide to shave off some of the excess epidermis. While doing this , you notice that there is no pain or bleeding . Why wouldn't it cause paint to remove only the superficial part of the epidermis ? Why wouldn't it bleed ? Unfortunately, you go a bit overboard and feel a sudden pinch, after which you notice you are bleeding . What has happened ? Are you still in the epidermis ? Explain .arrow_forwardHow do you make your skin lighter (from brown to white) and how do you make this change last?arrow_forward
- The layer of skin has which are helpful to surgeons making incisions and allowing them to heal readily. dermal papillary; fingerprints dermal reticular;cleavage lines dermal reticular;fingerprints O dermal reticular;flexure linesarrow_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_forwardA person who has been playing in the snow notices that their fingertips are very pale. why?arrow_forward
- Someone doing manual labor what would you see when looking at a section of the dermis of their hands?arrow_forwardWhere do hair cells undergo mitosis? hair papilla sebaceous gland hair matrix the hair shaftarrow_forwardwhy wouldn't it cause pain to remove only the superficial part of the epidermis? why wouldn't it bleed?arrow_forward
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