Anatomy & Physiology: The Unity of Form and Function
8th Edition
ISBN: 9781259277726
Author: Kenneth S. Saladin Dr.
Publisher: McGraw-Hill Education
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Question
Chapter 6, Problem 2TYR
Summary Introduction
Introduction:
The one of the main function of skin is maintaining the balance of fluids in the body where it is binding in moisture when necessary and preventing moisture loss.
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The epidermal water barrier is formed at thepoint where epidermal cellsa. pass from stratum basale to stratumspinosum.b. enter the telogen phase.c. pass from stratum spinosum to stratumgranulosum.d. form the epidermal ridges.e. exfoliate
Epidermal ridges are caused by: a. the epidermal papillae. b. mounds of papillary dermis arranged into dermal ridges. c. gaps between collagen bundles in the reticular layer. d. tight binding of the reticular layer to deeper structures
Which of the following statements about epidermal cell types is false?
a. Keratinocytes produce the fibrous keratin protein
b. Melanocytes produce the pigment melanin
c. Langerhans cells produce macrophages
d. Merkel cell send information to sensory neurons
e. None of the above
Chapter 6 Solutions
Anatomy & Physiology: The Unity of Form and Function
Ch. 6.1 - The name of the branch of medicine that deals with...Ch. 6.1 - Prob. 2AYLOCh. 6.1 - Prob. 3AYLOCh. 6.1 - Prob. 4AYLOCh. 6.1 - Prob. 5AYLOCh. 6.1 - Prob. 6AYLOCh. 6.1 - Prob. 7AYLOCh. 6.1 - Prob. 8AYLOCh. 6.1 - Prob. 9AYLOCh. 6.1 - Prob. 10AYLO
Ch. 6.1 - Prob. 11AYLOCh. 6.1 - Prob. 12AYLOCh. 6.1 - Prob. 13AYLOCh. 6.1 - Prob. 14AYLOCh. 6.1 - Prob. 1BYGOCh. 6.2 - Prob. 1AYLOCh. 6.2 - Three kinds of hair, including fetal and adult...Ch. 6.2 - Prob. 3AYLOCh. 6.2 - Prob. 4AYLOCh. 6.2 - Prob. 5AYLOCh. 6.2 - Prob. 6AYLOCh. 6.2 - Prob. 7AYLOCh. 6.2 - Alopecia pattern baldness, and hirsutism...Ch. 6.2 - Prob. 9AYLOCh. 6.2 - The anatomy of fingernails and toenails; location...Ch. 6.2 - Prob. 10BYGOCh. 6.3 - Prob. 1AYLOCh. 6.3 - Prob. 2AYLOCh. 6.3 - Prob. 3AYLOCh. 6.3 - Prob. 4AYLOCh. 6.4 - Prob. 1AYLOCh. 6.4 - Prob. 2AYLOCh. 6 - Cells of the ________ are keratinized and dead. a....Ch. 6 - Prob. 2TYRCh. 6 - Which of the following skin conditions or...Ch. 6 - Prob. 4TYRCh. 6 - The hair on a 6-year-olds arms is a. vellus hair....Ch. 6 - Which of the following terms is least related to...Ch. 6 - Prob. 7TYRCh. 6 - Prob. 8TYRCh. 6 - Which of the following glands produce the acid...Ch. 6 - Prob. 10TYRCh. 6 - Prob. 11TYRCh. 6 - A muscle that causes a hair to stand on end is...Ch. 6 - Prob. 13TYRCh. 6 - Blueness of the skin due to low oxygen...Ch. 6 - Prob. 15TYRCh. 6 - Prob. 16TYRCh. 6 - Prob. 17TYRCh. 6 - Prob. 18TYRCh. 6 - Prob. 19TYRCh. 6 - Prob. 20TYRCh. 6 - Prob. 1BYMVCh. 6 - Prob. 2BYMVCh. 6 - Prob. 3BYMVCh. 6 - Prob. 4BYMVCh. 6 - Prob. 5BYMVCh. 6 - Prob. 6BYMVCh. 6 - Prob. 7BYMVCh. 6 - Prob. 8BYMVCh. 6 - Prob. 9BYMVCh. 6 - Prob. 10BYMVCh. 6 - Prob. 1WWTSCh. 6 - Prob. 2WWTSCh. 6 - Prob. 3WWTSCh. 6 - Vitamin D synthesis begins in certain cutaneous...Ch. 6 - Prob. 5WWTSCh. 6 - Prob. 6WWTSCh. 6 - Prob. 7WWTSCh. 6 - Prob. 8WWTSCh. 6 - Prob. 9WWTSCh. 6 - Merocrine and apocrine sweat glands are present...Ch. 6 - 1. Many organs of the body contain numerous...Ch. 6 - Prob. 2TYCCh. 6 - Prob. 3TYCCh. 6 - Prob. 4TYCCh. 6 - Why is it important for the epidermis to be...Ch. 6 - Prob. 1BYGOCh. 6 - Prob. 2BYGOCh. 6 - Prob. 3BYGOCh. 6 - Prob. 4BYGOCh. 6 - Prob. 5BYGOCh. 6 - Prob. 6BYGOCh. 6 - Prob. 7BYGOCh. 6 - Prob. 8BYGOCh. 6 - Prob. 9BYGOCh. 6 - Prob. 10BYGOCh. 6 - Prob. 11BYGOCh. 6 - Prob. 12BYGOCh. 6 - Prob. 13BYGOCh. 6 - Prob. 14BYGOCh. 6 - Prob. 15BYGOCh. 6 - Prob. 16BYGOCh. 6 - Prob. 17BYGOCh. 6 - Prob. 18BYGO
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- . The layer of epidermal cells containsolder keratinized cells and dead cells. a. stratum corneumb. stratum granulosumc. stratum spinosumd. stratum basalearrow_forwardThe consists of many layers of dead squamous cells surrounded by lipids. A. dermis B. stratum corneum C. hypodermis D. stratum basalearrow_forwardThe layer of the epidermis in which cells begin the process of keratinization is the a. stratum corneum. b. stratum basale. c. stratum lucidum. d. stratum granulosum.arrow_forward
- Match the following epidermal layer with the correct term. This layer is water resistant and A. Stratum germinativum or basale contains 20-30 layers of dead keratinized cells. Keratinocytes start producing B. Stratum Corneum keratin and keratohyalin here. By the time keratinocytes cells reach this layer, most would have stopped dividing. This glassy layer is present only C. Stratum Granulosum in thick skin (palms and soles). This layer contains keratinocytes D. Stratum Spinosum undergoing mitosis. Melanocytes and Merkel cells are found in this layer. This layer contains epidermal dendritic cells, also known as Langerhans cells. E. Stratum Lucidumarrow_forwardThe hands and feet experience high amounts of abrasion. It contains so called thick skin having 5 epidermal strata. Which epidermal layer in thick skin consists of non-dead cells? a. stratum corneum b. stratum lucidum c. stratum granulosum d. a and b e. a, b, and carrow_forwardThe farther the epidermal cell move from the dermis A. The more cube shaped the are. B. The poorer their nutrient supply because C. The younger they are D. The less keratin E. All of the abovearrow_forward
- Melanocytes and keratinocytes work together in protecting the skin from UV damage when keratinocytes ________ a.maintain the appropriate pH in order for the melanocyte to synthesize melanin granules. b.provide the melanocyte with nutrients necessary for melanin synthesis. c.maintain the appropriate temperature so the product of the melanocyte will not denature. d.accumulate the melanin granules on their superficial portion, forming a UV-blocking pigment layer.arrow_forwardPaper cuts are often very painful but don't always bleed. What two properties of the skin explain this combination? A. the dermis is innervated, but the epidermis is not B. the epidermis is innervated C. the epidermis is avascular D. paper cuts only go as deep as the reticular dermis E. the epidermis and papillary dermis are avasculararrow_forwardWhich of the following is NOT a component of the epidermis thin skin? A. Capillaries B. Keratinized cells C. Keratin D. Melanocytesarrow_forward
- Cell division occurs in which layer of the epidermis? A. Stratum granulosum B. Stratum lucidum C. Stratum corneum D. Stratum basalearrow_forwardA callus may develop when both thin and thick skin are subjected to repeated pressure. Which layer of the epidermis develops the callus? a. stratum spinosum b. stratum corneum c. stratum basale d. stratum lucidumarrow_forwardMark the following statements as true or false. If a statement is false, correct it to make a true statement.a. Melanocytes account for the bulk of the epidermis. b. Keratinocytes begin life in the stratum corneum and gradually are pushed into the stratum basale. c. Dendritic cells are phagocytes of the immune system that protect the skin and deeper tissues from invasion by pathogens. d. Merkel cells produce the pigment melaninarrow_forward
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