Osteoblasts - Study guides, Class notes & Summaries

Describe the cells of the bone tissue - Answer--Osteogenic cells -Osteoblasts -Osteocytes -Osteoclasts What membrane lines the internal canals and the small cavities of the compact and spongy bones? - Answer-Endosteum What is the periosteum composed of? - Answer--Dense irregular connective tissue -Collagen fibers -Outer fibrous layer has fibroblasts -Inner layer has progenitor cells that become osteoblasts Describe the matrix of the bone tissue - Answer--Stony matter surrounding osteoc...

Hondros BIO 117 Exam 2 with Complete Solutions Shaft of long bone diaphysis Site of longitudinal bone growth epiphyseal disc Bone-building cell osteoblast Site of blood cell production red bone marrow Tough outer covering of the bone periosteum Enlarged end of a long bone epiphysis Cancellous bone spongy bone Osteon haversian system Bone-eroding cell that helps in bone marrow remodeling osteoclast Hollow center of a long bone medullary cavity The epiphyseal di...

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...

Describe bone remodeling during growth, adulthood and old age. Correct Answer-Bone is constantly changing - Every 10 years, we have new bones During adolescence - We put on 50% of bone mass - Growth stage, very important Reach peak bone mass at 25 - Around mid-30s, aging occurs and we start to lose bone -Women lose more bone than men (menopause) What are osteoblasts and osteoclasts? Correct Answer-osteoblasts make new bone osteoclasts remove bone Describe the functions of ca...

HESI A2 Anatomy and Physiology Q&A Course Hesi A2 Institution Chamberlain College Of Nursing HESI A2 Anatomy and Physiology Q&A 1. Which of the following hormones decreases the concentration of blood glucose? A. insulin B. glucagon C. growth hormone D. glucocorticoids 2. Which structure controls the hormones secreted by the pituitary gland? A. hypothalamus B. adrenal gland C. testes D. pancreas 3. How much of a female’s blood volume is composed of red blood cells? A. 10% B. 25% C. 40% D. ...

Afferent lymphatic vessels - enter the lymph node Appendicular skeleton - Appendages and hip Baum As we age what happens to the thymus - It dies and gets replaced with fatty tissue Calcium homeostasis osteoblast - Osteoblasts add to bone matrix to decrease calcium with calcitonin Calcium homeostasis osteoclast - Take from bone matrix to increase calcium due to the parathyroid hormone Classification of joints - structural and functional Compare lymphatic vessel to vain - Low pressure Thi...

Anatomy and Physiology Practice Test Exam Questions With 100% Verified Answers 1) Which of the following terms describes the body's ability to maintain its normal state? (A) Anabolism (B) Catabolism (C) Tolerance (D) Homeostasis (E) Metabolism - answer1) D (Homeostasis) 2) Each of the following is known to help prevent infection EXCEPT (A) hair in the nose (B) mucous membranes (C) osteoblasts ©BRAINBARTER 2024/2025 (D) saliva (E) tears - answer2) C (osteoblasts) 3) Each of the...

Identify which bones form by intramembranous ossification - ANS: -flat bones of the skull -most of the facial bones -mandible (lower jawbone) -medial part of the clavicle (collar bone) Describe the process of endochondral ossification - ANS: -Bones develop from cartilage models -Center of ossification first appears in diaphysis -Centers of ossification then develop in epiphyses Describe calcification of bones and identify when it occurs - ANS: -process in which calcium builds up in ...

ADH (Antidiuretic Hormone) - ANSWER Comes from Pos. Pituitary, Targets kidneys for water conservation, +/- blood volume and pressure OCT (Oxytocin) - ANSWER Comes from Pos. Pituitary, Targets mammary glands and uterus to induce milk movement into secretory ducts and induce uterine contractions during childbirth, + cervical & uterine stretching ACTH (Adrenocorticotropic Hormone) - ANSWER Comes from Ant. Pituitary, Targets the Zona Fasciculata to stimulate the release of cortisol and adrenal...

HUBS 191 progress test 1 latest version graded A+ epithelial tissue lines tracts and airways, maintain shape with water connective tissue loose, dense, fluid, supporting, fills internal space loose connective tissue holds organs in place attaches epithelial to other tissues dense connective tissue ligaments, tendons, a lot of collagen, resists tension, elastic fluid tissue blood, lymph supporting tissue cartilage and bone nervous tissue conducting cells and support cells,...