Essentials of Human Anatomy and Physiology - Package
11th Edition
ISBN: 9780134595276
Author: Marieb
Publisher: PEARSON
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Chapter 4, Problem 3MC
Summary Introduction
Introduction:
Skin is the largest organ of the body, which forms theoutermost covering of the body. It is made up of multiple layers of epithelial tissue. Skin is composed of the outer epidermis, middle dermis, and deeper hypodermis layers. Apart from other functions, the epidermis gives the skin its tone.
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Which of the following statements about melanocytes and keratinocytes is true?
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b. Melanocytes produce pigment but keratinocytes do not.
c. Both cell types produce waterproofing material.
d. Both cell types divide and die as they move away from their blood supply.
Which of the following is a barrier against pathogens provided by the skin? a. high pH b. mucus c. tears d. desiccation
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A) Include first degree and superficial second degree burns
B) Wet, pink and blistered
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Chapter 4 Solutions
Essentials of Human Anatomy and Physiology - Package
Ch. 4 - Select the one false statement about mucous and...Ch. 4 - More than one choice may apply. Which of the...Ch. 4 - Prob. 3MCCh. 4 - More than one choice may apply. Identify the...Ch. 4 - In investigating the cause of thinning hair, which...Ch. 4 - Which structure is not associated with a nail? a....Ch. 4 - Prob. 7MCCh. 4 - Which of the following is not a skin structure? a....Ch. 4 - 9. Match the structures of the right with their...Ch. 4 - Identify the three types of epithelial membranes,...
Ch. 4 - From what types of damage does the skin protect...Ch. 4 - Explain why we become tanned after sitting in the...Ch. 4 - Prob. 13SAECh. 4 - 14. Name two different categories of skin...Ch. 4 - How does the skin help to regulate body...Ch. 4 - Prob. 16SAECh. 4 - Prob. 17SAECh. 4 - Which skin cancer arises from the youngest...Ch. 4 - Why does hair turn gray?Ch. 4 - 20. Name three changes that occur in the skin as...Ch. 4 - Is a bald man really hairless? Explain.Ch. 4 - Prob. 22CAQCh. 4 - 25. Both newborn infants and aged individuals have...Ch. 4 - A woman who has habitually used a sunbed for the...Ch. 4 - Freds new cycling shorts have got special silicone...Ch. 4 - The water of a swimming pool is hypotonic to our...Ch. 4 - 29. Mr. Rossi, a fisherman in his late sixties,...Ch. 4 - Mr. Grayson is receiving a drug treatment...Ch. 4 - 31. Which type of injection would allow a drug to...Ch. 4 - Prob. 30CAQ
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- Which of the following is a barrier against pathogens provided by the skin? a. low pH b. mucus c. tears d. ciliaarrow_forwardSweat glands that communicate with hair follicles in the armpits and produce an odorous secretion are (a) apocrine glands. (b) merocrine glands. (c) sebaceous glands. (d) a, b, and c are correct.arrow_forwardPigmentation of skin is due to: A. lymphocytes B. monocytes C. leucocytes D. melanocytesarrow_forward
- Which factors influence the ability of a tissue to heal? a.presence of blisters associated with the third-degree burn b. lack of initial pain associated with the third-degree burn c. presence of significant pain initially with the third-degree burn d. presence of erythema associated with the third-degree burnarrow_forwardMost of the cells of the epidermis are ________________. A. Langerhans cells B. macrophages C. keratinocytes D. fibroblastsarrow_forwardSebaceous glands ________. a. are a type of sweat gland b. are associated with hair follicles c. may function in response to touch d. release a watery solution of salt and metabolic wastearrow_forward
- Which option best describes the functions of skin? * A) Mineral storage, blood cell formation, protection, support B) Waste removal, movement, regulation of body temperature, protection C) Formation of vitamin D, protection, movement, mineral storage D) Protection, waste removal, formation of vitamin D, sensory responsearrow_forwardIn response to stimuli from the sympathetic nervous system, the arrector pili ________. a. are glands on the skin surface b. can lead to excessive sweating c. are responsible for goose bumps d. secrete sebumarrow_forwardKindly answer briefly both questions a. Cells of the epidermis are derived from stem cells of the stratum basale. Describe how the cells change as they become integrated into the different layers of the epidermis. b. What structures are produced from keratinization of the epidermis?arrow_forward
- A major function of the skin is protection from ______. A. abrasion B. ultraviolet light C. entry of a microorganism D. dehydration E. All of the abovearrow_forwardAt what stage of wound healing does granulation tissue first form? a. after scar tissue forms along the wound b. before the blood completely clots c. before leukocytes enter the site and clean the wound d. after a blood clot forms and prior to scar tissue formingarrow_forwardExplain the role of keratin in the skin.arrow_forward
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