Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Textbook Question
Chapter 5, Problem 23RQ
After a skin injury, the body initiates a wound-healing response. The first step of this response is the formation of a blood clot to stop bleeding. Which of the following would be the next response?
- increased production of melanin by melanocytes
- increased production of connective tissue
- an increase in Pacinian corpuscles around the wound
- an increased activity in the stratum lucidum
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Which feature is associated with the "maturation phase" of normal wound healing?
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White blood cells migrate into the wound.
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incorrect answer):
Initial blood clot formation is mediated by thrombin resulting in platelet
aggregation and fibrin clots.
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tensile strength of repaired wounds to approximately 100%.
Angiogenesis involves the response of endothelial cells to growth factors such as
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After a skin injury, the body initiates a wound-healingresponse. The first step of this response is the formation ofa blood clot to stop bleeding. Which of the following wouldbe the next response?a. increased production of melanin by melanocytesb. increased production of connective tissuec. an increase in Pacinian corpuscles around thewoundd. an increased activity in the stratum lucidum
Chapter 5 Solutions
Anatomy & Physiology
Ch. 5 - The skin consists of two layers and a closely...Ch. 5 - Figure 5.4 If you zoom on the cells at the...Ch. 5 - Figure 5.6 If you zoom on the cells of the stratum...Ch. 5 - This ABC video follows the story of a pair of...Ch. 5 - The papillary layer of the dermis is most closely...Ch. 5 - Langerhans cells are commonly found in the...Ch. 5 - The papillary and reticular layers of the dermis...Ch. 5 - Collagen lends ________ to the skin. elasticity...Ch. 5 - Which of the following is not a function of the...Ch. 5 - In response to stimuli from the sympathetic...
Ch. 5 - The hair matrix contains ________. the hair...Ch. 5 - Eccrine sweat glands ________. are present on hair...Ch. 5 - Sebaceous glands ________. are a type of sweat...Ch. 5 - Similar to the hair, nails grow continuously...Ch. 5 - In humans, exposure of the skin to sunlight is...Ch. 5 - One of the functions of the integumentary system...Ch. 5 - An individual using a sharp knife notices a small...Ch. 5 - As you are walking down the beach, you see a dead,...Ch. 5 - If you cut yourself and bacteria enter the wound,...Ch. 5 - In general, skin cancers ________. are easily...Ch. 5 - Bedsores ________. can be treated with topical...Ch. 5 - An individual has spent too much time sun bathing....Ch. 5 - After a skin injury, the body initiates a...Ch. 5 - Squamous cell carcinomas are the second most...Ch. 5 - What determines the color of skin, and what is the...Ch. 5 - Cells of the epidermis derive from stem cells of...Ch. 5 - Explain the differences between eccrine and...Ch. 5 - Describe the structure and composition of nails.Ch. 5 - Why do people sweat excessively when exercising...Ch. 5 - Explain your skins response to a drop in body core...Ch. 5 - Why do teenagers often experience acne?Ch. 5 - Why do scars look different from surrounding skin?
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- location for mitosis of the nail keratinocytes responsible for nail growth most distal portion used to protect fingertips from unnecessary stimuli; white in color due to the absence of tissue underneath superficial layer of hardened dry non-pigmented cells used to protect underlying tissues viewed as having a red coloration due to the deep supply of blood vessels and adhered to the outer surface of the nail most superficial layer of keratinocytes containing melanin that are flexible due to the presence of sebum distributed on its surface protective seal /border of thicken tissue preventing microorganisms, debris, chemicals, & liquids from moving between the dermis and epidermis of the skin most proximal white portion of the nail where the younger cells of the nail are located cuticle epidermis free edge lunula nail bed nail plate nail rootarrow_forwardThe term for replacement of damaged cells with scar tissue is ?arrow_forwardYour friend just spent a day at the beach but forgot to use sunscreen. That evening she complains of a great deal of pain and you notice that her skin is red and beginning to form large blisters. What type of burn has she suffered? What other potential long-term damage has she done to her skin?arrow_forward
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