MASTERING MICROBIOLOGY BODY SYSTEMS
5th Edition
ISBN: 9781323651049
Author: BAUMAN
Publisher: PEARSON
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Textbook Question
Chapter 19, Problem 1MC
The epidermis ____.
- a. has an intricate network of blood vessels
- b. consists of layers of loosely packed cells
- c. contains a waterproofing protein
- d. has a thin layer of fat cells
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You develop a callus, which is a thickening of the epidermis, from a pair or ill-fitting shoes. 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.
Most of the cells of the epidermis are ________________.
A.
Langerhans cells
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C.
keratinocytes
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fibroblasts
You develop a callus, which is a thickening of the epidermis, from a pair of ill-fitting shoes. To treat the callus, you decide to shave off some fo the excess epidermis. While doing this, you notice that there is no pain or bleeding. Why wouldn't it cause pain yo remove only the superficial part of the epidermis? Why wouldn't it bleed ?
Chapter 19 Solutions
MASTERING MICROBIOLOGY BODY SYSTEMS
Ch. 19 - Prob. 1TMWCh. 19 - Prob. 2TMWCh. 19 - Buruli Ulcer Jacques liked living in the...Ch. 19 - A New Cause of Spots Fifty-two-year-old David has...Ch. 19 - Prob. 3TMWCh. 19 - A Painful Rash A mother brings her three-year-old...Ch. 19 - A Child with Warts Ten-year-old Rudy has several...Ch. 19 - Grandfathers Shingles The Davises were excited...Ch. 19 - Prob. 4TMWCh. 19 - Prob. 4CCS
Ch. 19 - Prob. 5TMWCh. 19 - Diagnosis in the Desert In the 1970s,...Ch. 19 - Prob. 6TMWCh. 19 - Prob. 3EDCSCh. 19 - The epidermis ____. a. has an intricate network of...Ch. 19 - Prob. 2MCCh. 19 - Prob. 3MCCh. 19 - Prob. 4MCCh. 19 - Prob. 5MCCh. 19 - Prob. 6MCCh. 19 - Prob. 7MCCh. 19 - Prob. 8MCCh. 19 - Prob. 9MCCh. 19 - Prob. 10MCCh. 19 - Prob. 11MCCh. 19 - Prob. 12MCCh. 19 - Prob. 13MCCh. 19 - Prob. 14MCCh. 19 - Prob. 15MCCh. 19 - Prob. 1MCh. 19 - Prob. 1FIBCh. 19 - Prob. 2FIBCh. 19 - Prob. 3FIBCh. 19 - Prob. 4FIBCh. 19 - Prob. 5FIBCh. 19 - Prob. 6FIBCh. 19 - Prob. 7FIBCh. 19 - Prob. 8FIBCh. 19 - Prob. 9FIBCh. 19 - Most pimples result from infection by ______ not...Ch. 19 - Prob. 1MTFCh. 19 - Prob. 2MTFCh. 19 - Prob. 3MTFCh. 19 - Prob. 4MTFCh. 19 - Prob. 5MTFCh. 19 - Prob. 1SACh. 19 - Prob. 2SACh. 19 - Considering that Pseudomonas aeruginosa and...Ch. 19 - Prob. 4SACh. 19 - Prob. 5SACh. 19 - Describe four enzymes produced by Staphylococcus,...Ch. 19 - Prob. 7SACh. 19 - Prob. 8SACh. 19 - Prob. 9SACh. 19 - Prob. 10SACh. 19 - Label each lesion seen in poxvirus infections.Ch. 19 - Prob. 2VICh. 19 - Prob. 3VICh. 19 - Prob. 1CTCh. 19 - Why is it more difficult to rid a community of a...Ch. 19 - Prob. 3CTCh. 19 - Prob. 4CTCh. 19 - Prob. 5CTCh. 19 - Most DNA viruses replicate within the nucleus of a...Ch. 19 - Prob. 7CTCh. 19 - Prob. 8CTCh. 19 - Prob. 9CTCh. 19 - Prob. 10CTCh. 19 - Prob. 11CTCh. 19 - Why do impetigo and erysipelas occur more commonly...Ch. 19 - Prob. 13CTCh. 19 - Prob. 14CTCh. 19 - Prob. 1CM
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- You 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_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_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 of the following is NOT a component of the epidermis thin skin? A. Capillaries B. Keratinized cells C. Keratin D. Melanocytesarrow_forwardEpidermis is a/an: Select one: a. Avascular layer for calcium absorption. b. Stratified layer with keratinocytes. c. Connective layer with collagen. d. Squamous layer with mucus. e. Vascular layer for vitamin D synthesis.arrow_forward2. A) Keratinization involves skin cells moving to the surface that have _________________. A. lost water and changed nuclei B. lost fat and increased mitochondria C. lost the stratum basale D. lost the stratum lucidum and increased the amount of protein, keratin E. None of the above B) The layer of the skin composed of dense connective tissue that has projections known as papillae is the ____________. A. stratum corneum B. hypodermis C. stratum basale D. dermis C) Sebaceous glands are located in the __________, are associated with the __________, and secrete ________. A. epidermis, hair follicle, oil B. papillary layer, skin cells, oil C. dermis, hair follicle, sebum D. epidermis, hair follicle, sebum E. dermis, nail bed, sebum D) Which is not the function of the dermis layer? A. Regulates temperature by sweat glands and blood vessel dilation or constriction B. Responds to…arrow_forward
- Burn victims often suffer damage to large portions of their integument. Predict the complications these patients may develop. What sort of homeostatic imbalances might they experience?arrow_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_forwardWhich is not the function of the dermis layer? A. Regulates temperature by sweat glands and blood vessel dilation or constriction B. Responds to pressure, pain, and temperature with the use of sensory nerves C. Produces Vitamin D upon exposure to UV light D. Covers and protects the epidermis E. None of the abovearrow_forward
- Which of the following statements about melanocytes and keratinocytes is true? a. Melanocytes are in the dermis and keratinocytes are in the epidermis 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.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_forwardCarinomas are cancers of epithelial tissue, and sacrcomas are cancers of connective tissue. Are epidermal cancers carcinomas or saarcomas. what about dermal cancers ? Explain?arrow_forward
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