Human Anatomy & Physiology
1st Edition
ISBN: 9780805382952
Author: Erin C. Amerman
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 5, Problem 14CYR
Nail growth occurs when:
a. cells in the nail plate undergo mitosis.
b. cells in the nail matrix undergo mitosis.
c. cells in the eponychium undergo mitosis.
d. cells in the medial and lateral nail folds undergo mitosis.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Nail growth occurs when: a. cells in the nail plate undergo mitosis. b. cells in the nail matrix undergo mitosis. c. cells in the eponychium undergo mitosis. d. cells in the medial and lateral nail folds undergo mitosis
Which of the following terms is least related to the rest? a. lunule b. nail plate c. hyponychium d. free edge e. cortex
The lunula of the nail appears white because
a. it lacks melanin.
b. blood vessels cannot be seen through the thick nail matrix.
c. the cuticle decreases blood flow to the area.
d. the nail root is much thicker than the nail body.
e. the hyponychium is thicker than the cuticle.
Chapter 5 Solutions
Human Anatomy & Physiology
Ch. 5.1 - 1. What are the major structures of the skin, and...Ch. 5.1 - Explain how the integument provides protection...Ch. 5.1 - Prob. 3QCCh. 5.1 - Describe the other functions of the integument....Ch. 5.2 - 1. What are the five strata of the epidermis? How...Ch. 5.2 - Explain how a keratinocyte that begins its life in...Ch. 5.2 - In addition to keratinocytes, what three types of...Ch. 5.2 - Compare and contrast thin and thick skin.Ch. 5.3 - Which type of tissue makes up the papillary layer...Ch. 5.3 - What are the functions of the dermal papillae?
Ch. 5.3 - 3. Which type of tissue makes up the reticular...Ch. 5.3 - 4. What other structures are located in the...Ch. 5.3 - 5. How does the papillary layer of the dermis...Ch. 5.3 - What causes tension lines and flexure lines? How...Ch. 5.4 - How is melanin produced, and how does it interact...Ch. 5.4 - What are the functions of melanin?Ch. 5.4 - 3. What is carotene, and what color does it give...Ch. 5.4 - Prob. 4QCCh. 5.4 - 5. How can the oxygen content of the blood affect...Ch. 5.4 - 6. What is cyanosis, and what can it tell us...Ch. 5.5 - How do the hair shaft and hair root differ?Ch. 5.5 - How does a hair grow in length?Ch. 5.5 - Prob. 3QCCh. 5.5 - Define the following terms: nail bed, nail plate,...Ch. 5.5 - How does nail growth occur?Ch. 5.5 - Prob. 6QCCh. 5.5 - What are the other three types of sweat glands,...Ch. 5.5 - 8. How do sebaceous glands and sebum differ from...Ch. 5.6 - Prob. 1QCCh. 5.6 - Prob. 2QCCh. 5.6 - What is cancer?Ch. 5.6 - 4. How do the three types of skin cancer differ?
Ch. 5 - Explain why the skin is an organ.Ch. 5 - Which of the following correctly describes the...Ch. 5 - Which of the following is not a function of the...Ch. 5 - 4. Explain what happens to dermal blood vessels...Ch. 5 - Number the strata of thick skin epidermis from...Ch. 5 - Keratinocytes in the superficial strata of the...Ch. 5 - Mark the following statements as true or false. If...Ch. 5 - Which of the following statements is false? a....Ch. 5 - What are the functions of the dermal papillae?Ch. 5 - Epidermal ridges are created by: a. the epidermal...Ch. 5 - 11. Mark the following statements as true or...Ch. 5 - 12. Which of the following is not a function of...Ch. 5 - 13. Fill in the blanks: The portion of the hair...Ch. 5 - Nail growth occurs when: a. cells in the nail...Ch. 5 - Prob. 15CYRCh. 5 - Match each type of gland with its correct...Ch. 5 - How do sweat and sebum differ?Ch. 5 - 18. Which type of burn involves the epidermis and...Ch. 5 - 19. The type of skin tumor that involves the...Ch. 5 - Prob. 1CYUCh. 5 - Prob. 2CYUCh. 5 - The hair and nails are sometimes called accessory...Ch. 5 - 1. You are working in the emergency department...Ch. 5 - 2. After Ramon’s skin came into contact with a...Ch. 5 - 3. Which of the following is not a function of...Ch. 5 - 4. What would happen to the skin if the oil...Ch. 5 - Many antiaging skin creams contain collagen and...Ch. 5 - 6. Would a mild second-degree burn be likely to...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- You develop a callus on the bottom of your hallux from a pair of ill-fitting shoes, and you feel the pain of an Onychocryptosis on the same hallux. A treatment for Onychocryptosis is to remove the nail and apply a chemical such as phenol to the cells the nail matrix, which kills the cells. What effect will killing the cells of the nail matrix have on the nail? Is the answer below the correct answer to the question?arrow_forwardThe actively growing part of the nail is the a. nail matrix. b. free edge. c. nail folds. d. nail root. e. nail bed.arrow_forward1.) Epidermis of the skin. Draw the LPO and HPO view of the epidermis and identify its different layers. 2.) Draw an HPO view of the dermis and label its layers/parts. 3.)What are the cell junctions in the stratum spinosum? 4.) Where are the melanocytes located? 5.) Describe the structure and development of the skin and the associated integumentary structures.6.) What are the functions of the integument and its associated structures? 7.) What do all living things have in common? 8.) What kinds of organisms are composed of prokaryotic cells? Eukaryotic cells? What kinds of cells do humans have? 9.) What is tissues?10.) List the four principal tissue types. 11.) Which is true? a. Epithelial tissues are well supplied with blood vessels. b. Connective tissues consist mostly of cells with little extracellular matrix. c. Blood is a connective tissue.arrow_forward
- Describe the major events of the four steps (listed below) of integument repair following injury: a. Inflammation Phase,b. Migratory Phase,c. Proliferation Phase, d. Scarring Phasearrow_forwardMelanocytes and keratinocytes work together in protecting the skin from UV damage when keratinocytes ________ a.maintain the appropriate pH in order for the melanocyte to synthesize melanin granules. b.provide the melanocyte with nutrients necessary for melanin synthesis. c.maintain the appropriate temperature so the product of the melanocyte will not denature. d.accumulate the melanin granules on their superficial portion, forming a UV-blocking pigment layer.arrow_forwardThe cells in a hair follicle that are responsible for forming hair are the a. hair papilla cells. b. matrix cells. c. medullary cells. d. cortex cells.arrow_forward
- Identify the nail structures on the diagram in Figurearrow_forward1a.How many layers of epidermis are found in thin skin? b. What are the most numerous sudoriferous glands called - that are found in most skin? c. What is the smooth muscle associated with every hair follicle called? d. What is the outer layer of hair called that is made up of dead keratinized cells?arrow_forwardMatch each numbered item with the most closely related lettered item.1. integument2. fingernails3. keratin4. tactile cells5. melanocytes6. keratinocytes7. epidermal dendritic cell8. subcutaneous layer9. reticular layer10. arrector pilia. smooth muscle attached to hair follicleb. most numerous epidermal cellc. a phagocytic cell (active in immune response)d. layer deep to dermise. formed from stratum corneumf. receptors for touchg. composed of epidermis and dermish. dense irregular connective tissuei. fibrous protein in epidermisj. pigment-forming cellsarrow_forward
- 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.arrow_forwardIn the figure, identify the labeled structures. Select your answers from the following list of structures: A. Nail plate B. Eponychium C. Hyponychium D. Nail matrix E. Nail bed F. Nail root Structure 16_____________________ Structure 17_____________________ Structure 18 _____________________ Structure 19 _____________________ Structure 20 _____________________ Structure 21 _____________________arrow_forwardCells of the epidermis derive from stem cells of the stratum basale. Describe how the cells change as they become integrated into the different layers of the epidermis. What determines the color of skin, and what Is the process that darkens skin when it is exposed to UV light?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
The Integumentary System, Part 1 - Skin Deep: Crash Course Anatomy & Physiology #6; Author: CrashCourse;https://www.youtube.com/watch?v=Orumw-PyNjw;License: Standard youtube license