LSC ANATOMY & PHYSIOLOGY LL W/ACCESS
4th Edition
ISBN: 9781264893119
Author: McKinley
Publisher: MCG CUSTOM
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Chapter 6, Problem 1CAL
Summary Introduction
Introduction:
Acne is a chronic or a severe skin problem that causes spots and pimples. It is caused due to the hormonal imbalance that stimulates the production of face and hair follicles to lubricate skin and hair.
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Which statement about sebaceous glands is false? a. They release their secretion onto a hair follicle. b. They release their product by apocrine secretion. c. They are located in the dermis. d. The product they secrete acts as a lubricant and waterproofer.
Despite its apparent durability, the dermis is subject to tearing. How might a person know that the dermis has been previously stretched and/or torn?
a.The appearance of visible, silvery-white scars is an indication of stretching of the dermis.
b.The stretching causes the tension lines to disappear.
c.The blood vessels in the dermis rupture and the blood passes through the tissue, causing permanent "black-and-blue marks."
d.There is an episode of acute pain due to the large number of tactile corpuscles.
Which statement is accurate about melanin or melanocytes? a. Melanin is produced by cells that are located in the stratum spinosum. b. Melanin is a pigment that accumulates inside keratinocytes. c. Darker-skinned individuals have more melanocytes than lighter-skinned individuals. d. Albinism is caused by a lack of melanocytes in the body.
Chapter 6 Solutions
LSC ANATOMY & PHYSIOLOGY LL W/ACCESS
Ch. 6.1 - As you trim your roses, a thorn penetrates your...Ch. 6.1 - Briefly describe the process of keratinization....Ch. 6.1 - Prob. 3WDYLCh. 6.1 - Prob. 4WDYLCh. 6.1 - Compare and contrast the papillary versus...Ch. 6.1 - What is indicated by the lines of cleavage in the...Ch. 6.1 - What types of tissue form the subcutaneous layer?Ch. 6.1 - How does the skin produce vitamin D?Ch. 6.1 - Is the skin entirely waterproof? Explain.Ch. 6.1 - Prob. 10WDYL
Ch. 6.2 - Prob. 11WDYLCh. 6.2 - What are the three zones of a hair?Ch. 6.2 - How does hair function in protection and heat...Ch. 6.2 - Prob. 14WDYLCh. 6.2 - What do sebaceous glands secrete, and where is...Ch. 6.3 - What is granulation tissue, and when does it...Ch. 6.4 - What two primary germ layers form the integument?Ch. 6.4 - How do UV rays contribute to skin aging?Ch. 6 - Prob. 1DYKBCh. 6 - _____ 2. The layer of the epidermis in which cells...Ch. 6 - _____ 3. The sweat glands that communicate with...Ch. 6 - _____ 4. Which of the following is not a function...Ch. 6 - Prob. 5DYKBCh. 6 - Prob. 6DYKBCh. 6 - Prob. 7DYKBCh. 6 - _____ 8. The cells in a hair follicle that are...Ch. 6 - Prob. 9DYKBCh. 6 - Prob. 10DYKBCh. 6 - Describe the composition of the layers of the...Ch. 6 - Prob. 12DYKBCh. 6 - Describe the tissue type and structure of the two...Ch. 6 - Prob. 14DYKBCh. 6 - Compare the structure and composition of the...Ch. 6 - Prob. 16DYKBCh. 6 - Where are ceruminous glands located, and what do...Ch. 6 - Discuss the steps involved in wound repair of the...Ch. 6 - Prob. 19DYKBCh. 6 - Prob. 20DYKBCh. 6 - Prob. 1CALCh. 6 - Prob. 2CALCh. 6 - Prob. 3CALCh. 6 - Prob. 1CSLCh. 6 - Prob. 2CSLCh. 6 - At the age of 50, John noticed that one of the...
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- Describe the location and structure of the different tissue types (epithelial, muscle, nervous, connective) present in the integumentary system. Chapter 5 discussed predisposing causes of disease. Briefly describe four predisposing factors of disease that are associated with alopecia. Discuss the functional implications of the following structural changes in skin associated with aging. less subcutaneous fat and decreased circulation in the dermis decreased melanin production in the hair and skin decreased cell proliferation in the hair follicle reduced collagen and elastic production in the dermis decreased activity of the eccrine sudoriferous glandsarrow_forwardMark the following statements as true or false. If a statement is false, correct it to make a true statement. a. The primary skin pigment is melanin, which is derived from the amino acid tyrosine. b. Melanin is produced by melanocytes and covers the nuclei of neighboring dendritic cells. c. Carotene is a brown-black pigment that accumulates in the stratum corneum. d. Increased amounts of blood flowing through the dermis lead to pallor in the skin. e. Hemoglobin is a pigment found in red blood cells, and its color depends on the oxygen level of the blood.arrow_forwardWhich type of sweat glands are found in the skin of the palms and soles? A. eccrine B. reticular C. endocrine D. apocrinearrow_forward
- Can wipe pad of micellar water along the hair follicle (to remove cosmetic on the face) help acne problem. How?arrow_forwardAcne os disorder that involves the? A. Melanocytes B. Sudoriferous C. Sebaceous D. Hair follicles E. Stratum basale layerarrow_forwardKindly choose the correct answerQuestion 2: Select one answer. Acne is not normally seen before puberty because ________: A. apocrine glands do not become active until puberty. B. sweat glands do not become active until puberty. C. eccrine glands do not become active until puberty. d. sebaceous glands do not become active until puberty. Question 6: Select one answer. Why does the skin gets thinner as people age? A. The basale cells do not reproduce as frequently B. The reduction and redistribution of fat C. The elastin fibers become cross linked D. The inactivity of melanocytearrow_forward
- Identify the structures that make up the skin described below. Use the drop down menu to select the name of the structure or the letter that corresponds with the correct structure from the list.arrow_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_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_forward
- Pigmentation of skin is due to: A. lymphocytes B. monocytes C. leucocytes D. melanocytesarrow_forwardSweat glands that communicate with hair follicles in the armpits and produce an odorous secretion are: (a) apocrine glands. (c) sebaceous glands. (b) eccrine glands. (d) a, b, and c are correct.arrow_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_forward
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