Essentials of Human Anatomy & Physiology (12th Edition)
12th Edition
ISBN: 9780134395326
Author: Elaine N. Marieb, Suzanne M. Keller
Publisher: PEARSON
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Textbook Question
Chapter 4, Problem 4MC
Which structure is not associated with a hair?
a. Shaft
d. Cuticle
b. Cortex
e. Lunule
c. Matrix
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Chapter 4 Solutions
Essentials of Human Anatomy & Physiology (12th Edition)
Ch. 4 - Select the one false statement about mucous and...Ch. 4 - 2. Serous membranes
a. line the mouth.
b. have...Ch. 4 - 3. Which is not a component of sweat?
a....Ch. 4 - Which structure is not associated with a hair? a....Ch. 4 - In investigating the cause of thinning hair, which...Ch. 4 - Which structure is not associated with a nail? a....Ch. 4 - 7. Which one of the following is not associated...Ch. 4 - Which of the following is not a skin structure? a....Ch. 4 - 9. Match the structures of the right with their...Ch. 4 - 10. What is the name of the connective tissue...
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 - Contrast the secretions of eccrine and apocrine...Ch. 4 - Prob. 23SAECh. 4 - Prob. 24CTCh. 4 - 25. Both newborn infants and aged individuals have...Ch. 4 - A 40-year-old beachboy is complaining to you that...Ch. 4 - Prob. 27CTCh. 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. 32CTCh. 4 - Prob. 33CT
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- The hair matrix contains ________. the hair follicle the hair shaft the glassy membrane a layer of basal cellsarrow_forwardThe hair follicle is found in the A.epidermis B. Dermis C.Subcutaneous layer D.Hypodermisarrow_forwardWhich of the following structures does NOT derive from the same type of tissue as the epidermis? a. sensory receptor b. sebaceous gland c. sweat gland d. hairarrow_forward
- 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.arrow_forwardWhich epidermal cell type is responsible for detecting touch sensations? a. keratinocyte b. melanocyte c. tactile cell d. epidermal dendritic cellarrow_forwardHow do melanocytes and keratinocytes work together to protect the skin from UV damage? a. Keratinocytes maintain the proper pH for melanocytes to synthesize melanin granules. b. Keratinocytes provide the melanocyte with nutrients critical for melanin synthesis. c. Keratinocytes maintain the appropriate temperature so the melanin will not denature. d. Keratinocytes accumulate melanin granules to shield the keratinocyte’s DNA.arrow_forward
- Cell division occurs in which layer of the epidermis? A. Stratum granulosum B. Stratum lucidum C. Stratum corneum D. Stratum basalearrow_forwardDespite 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.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
- Which of the following terms is least related to the rest? a. lunule b. nail plate c. hyponychium d. free edge e. cortexarrow_forwardThe cells which are implicated in melanoma (skin cancer) are found in which layer? A. stratum corneum B. stratum granulosum C. stratum spinosum D. stratum basalearrow_forwardWhich 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.arrow_forward
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