Anatomy & Physiology
5th Edition
ISBN: 9780321861580
Author: Marieb, Elaine N.
Publisher: Pearson College Div
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Textbook Question
Chapter 5, Problem 1RQ
Which epidermal cell type is most numerous? (a) keratinocyte, (b) melanocyte, (c) dendritic cell, (d) tactile cell.
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Which epidermal cell type functions in the immune system? (a) keratinocyte, (b) melanocyte, (c) dendritic cell, (d) tactile epithelial cell.
Match each epidermal layer in column B to its description in column A.Column A Column B(1) Desmosomes and shrinkage artifacts give its cells “spiny”projections. (a) stratum basale(2) Its cells are flat, dead bags of keratin. (b) stratum corneum(3) Its cells divide, and it is also called the stratum germinativum. (c) stratum granulosum(4) It contains keratohyalin and lamellated granules. (d) stratum lucidum(5) It is present only in thick skin. (e) stratum spinosum
Select the best answer or answers from the choices given: Which epidermal cell type is most numerous? (a) keratinocyte, (b) melanocyte, (c) dendritic cell, (d) tactile cell.
Chapter 5 Solutions
Anatomy & Physiology
Ch. 5 - While walking baretoot in a barn, Jeremy stepped...Ch. 5 - The stratum basale is also called the stratum...Ch. 5 - Why are the desmosomes connecting the...Ch. 5 - Prob. 4CYUCh. 5 - Which layer of the dermis is responsible for...Ch. 5 - Which tissue of the hypodermis makes it a good...Ch. 5 - You have just gotten a paper cut. It is very...Ch. 5 - Melanin and carotene are two pigments that...Ch. 5 - Prob. 9CYUCh. 5 - Which alteration in skin color may indicate a...
Ch. 5 - What are the concentric regions of a hair shaft,...Ch. 5 - Prob. 12CYUCh. 5 - What is the role of an arrectorpili muscle?Ch. 5 - What is the function of the hair papilla?Ch. 5 - Why is the lunule of a nail white instead of pink...Ch. 5 - Why are nails so hard?Ch. 5 - Which cutaneous glands are associated with hair...Ch. 5 - Prob. 18CYUCh. 5 - Prob. 19CYUCh. 5 - Sebaceous glands are not found in thick skin. Why...Ch. 5 - What chemicals produced in the skin help provide...Ch. 5 - Which epidermal cells play a role in body...Ch. 5 - How is sunlight important to bone health?Ch. 5 - Prob. 24CYUCh. 5 - Which type of skin cancer develops from the...Ch. 5 - What name is given to the rule for recognizing the...Ch. 5 - The healing of burns and epidermal regeneration is...Ch. 5 - Prob. 28CYUCh. 5 - Which epidermal cell type is most numerous? (a)...Ch. 5 - Which cell functions as part of the immune system?...Ch. 5 - The epidermis provides a physical barrier due...Ch. 5 - Skin color is determined by (a) the amount of...Ch. 5 - The sensations of touch and pressure are picked up...Ch. 5 - Which is not a true statement about the papillary...Ch. 5 - Skin surface markings that reflect points of tight...Ch. 5 - Which of the following is not an epidermal...Ch. 5 - An arrector pili muscle (a) is associated with...Ch. 5 - Prob. 10RQCh. 5 - Sebum (a) lubricates the surface of the skin and...Ch. 5 - Prob. 12RQCh. 5 - Which epidermal cells are also called prickle...Ch. 5 - Is a bald man really hairless? Explain.Ch. 5 - You go to the beach to swim on an extremely hot,...Ch. 5 - Prob. 16RQCh. 5 - Describe the process of hair formation, and list...Ch. 5 - Prob. 18RQCh. 5 - Why are there no skin cancers that originate from...Ch. 5 - A man got his finger caught in a machine at the...Ch. 5 - Prob. 21RQCh. 5 - A common belief is that having your hair cut makes...Ch. 5 - Integumentary System A terrible collision between...Ch. 5 - Integumentary System A terrible collision between...Ch. 5 - Integumentary System A terrible collision between...Ch. 5 - Integumentary System A terrible collision between...
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- Which epidermal cells are also called prickle cells? Which contain keratohyaline and lamellar granules?arrow_forwardThe ability of the epidermis to resist rubbing and abrasion is largely due to the presence of (a) melanin, (b) carotene, (c) collagen, (d) keratin.arrow_forwardList the five layers of epidermis from deep to superficial.What are the distinctive features of each layer? Which layeris often absent?arrow_forward
- A). What is melanin's productive functions? B). Explain the role of sunlight Vitamin D production. C). How do sweat and sebum differ in their productive functions of skin?arrow_forwardWhy are dermal punctures often performed on(a) patients receiving chemotherapy (b) geriatric patients, and (c) diabetic patients?arrow_forward16) which layer of the epidermis contains cells that are mitotically active? a) stratum corneum b) stratum basale c) stratum granulosum d) stratum spinosumarrow_forward
- From the list of tissues in column B, identify the primary tissue that forms each of the structures in column A.Column A Column B(1) epidermis (a) dense irregular connective tissue (2) reticular layer of the dermis (b) dense regular connective tissue(3) hypodermis (c) areolar connective tissue(4) papillary layer of the dermis (d) epithelial tissue(5) apocrine sweat glands (e) adipose tissue(6) hair follicle(7) nailsarrow_forwardFrom deepest to most superficial, name and describe thefive strata of the epidermis. In which stratum are new cellsformed by mitosis? Which strata have live cells, and whichstrata have dead cells?arrow_forwardIdentify the epidermal layer(s) in which the following cancers arise: (a) basal cell carcinoma; (b) malignant melanoma; (c) squamous cell carcinoma.arrow_forward
- What is the tough, water-repellent layer of the epidermis called?arrow_forwardThe layer of the epidermis characterized by active, thriving, non-dividing cells is: a) stratum basale. b) keratinocytes. c) stratum spinosum. d) stratum granulosum.arrow_forwardThe reticular layer of the dermis (a) provides strength and elasticity to the skin, (b) is composed of loose connective tissue, (c) insulates to prevent heat loss, (d) forms the dermal papilla.arrow_forward
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