Role of fibroblasts - Study guides, Class notes & Summaries

Which of the following is not a secondary lymphoid organ? A. Spleen B. Thymus C. Lymph nodes D. Liver E. Tonsils - ACCURATE ANSWERThymus Primary lymphatic organs are where lymphocytes are formed and mature. Stem cells to divide and mature into B- and T- cells: There are two primary lymphatic organs: the red bone marrow and the thymus gland. Which of the following is not a component of the reticuloendothelial cell system? A. Microglial cells B. Kupffer cells C. Langerhans cells D...

ALU 301, Ch. 15 Rheumatoid Arthritis |Complete Questions with 100% Correct Solutions Rheumatoid arthritis (RA) is a chronic inflammatory polyarthritis of unknown etiology that targets the synovial tissue of moveable joints. Epidemiology of RA -prevalence of approximately 1% -30-45 cases per 100,000 of the general population -more common in women than men with a ratio of 3:1. Although rheumatoid arthritis can present at any age, women usually develop symptoms between their second and fi...

Test Bank for Wound Management Principles and Practices 3rd Edition by Myers/   Chapter 1. Integumentary Anatomy 1. All of the following are functions of the dermis EXCEPT that it: A. houses epidermal appendages. B. assists with vitamin D production. C. provides sensation. D. assists with thermoregulation. 2. Cells that can be found in the dermis are: A. fibroblasts. B. melanocytes. C. Langerhans’ cells. D. Merkel cells. 3. The stratum corneum can be found in t...

Test Bank Principles of Anatomy and Physiology, 12th Edition, by Bryan Derrickson, Gerald Tortora Testbank Chapter 1. An Introduction to the Human Body Multiple Choice 1. This is the study of the functions of body structures. a. Anatomy b. Physiology c. Dissection d. Histology e. Immunology Ans: B Difficulty: easy Feedback: 1.1 2. This is defined as a group of cells with similar structure and function. a. Tissue b. Organ c. Molecules d. Compounds e. Organism Ans: A Difficulty: easy Feedback: 1.2...

Select the most correct statement concerning skin cancer. - Answer-Melanomas are rare but must be removed quickly to prevent them from metastasizing. ________ is an inherited condition that affects the heme pathway; it leaves the skin scarred and gums degenerated, and may have led to the folklore about vampires. - Answer-Porphyria A needle would pierce the epidermal layers of the forearm in which order? - Answer-corneum, granulosum, spinosum, basale The major regions of a hair shaft includ...

Select the most correct statement concerning skin cancer. - Answer-Melanomas are rare but must be removed quickly to prevent them from metastasizing. ________ is an inherited condition that affects the heme pathway; it leaves the skin scarred and gums degenerated, and may have led to the folklore about vampires. - Answer-Porphyria A needle would pierce the epidermal layers of the forearm in which order? - Answer-corneum, granulosum, spinosum, basale The major regions of a hair shaft includ...

Bios255, Comprehensive Exam This examination covers content learned in BIOS251, BIOS252, and BIOS255. This exam is worth 100 total points, consisting of 50 multiple-choice questions. You have 75 minutes to complete the Exam. Bios251 Describe a positive feedback system A positive feedback system is mechanism in which the system responds to the perturbation in the same direction as the perturbation. Positive feedback is essentially a feedback mechanism that results in the amplification or growth o...

Which component of the epidermis initiates immune responses and provides a defense against environmental antigens? correct answer: Langerhans cells Which cells of the dermis release histamine and play a role in the hypersensitivity reactions of the skin? correct answer: Mast cells Which cells of the dermis secrete connective tissue matrix? correct answer: Fibroblasts Which gland releases secretions that are important in thermoregulation and cooling of the body through evaporation? co...

ALU 301, Ch. 15 Rheumatoid Arthritis |Complete Questions with 100% Correct Solutions Rheumatoid arthritis (RA) is a chronic inflammatory polyarthritis of unknown etiology that targets the synovial tissue of moveable joints. Epidemiology of RA -prevalence of approximately 1% -30-45 cases per 100,000 of the general population -more common in women than men with a ratio of 3:1. Although rheumatoid arthritis can present at any age, women usually develop symptoms between their second and fi...

d) Cells can divide up the labor of performing essential physiological processes. correct answers Which of the following is a main benefit of multicellularity? a) Each cell can perform all of the necessary physiological processes needed by the body. b) Each cell can dump its waste directly into the environment c) Only some body cells need to make ATP. d) Cells can divide up the labor of performing essential physiological processes. e) Each cell has direct access to nutrients in the enviro...