What are osteoblasts - Study guides, Class notes & Summaries
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Penn Foster Anatomy & Physiology Questions and Answers Already Passed
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Penn Foster Anatomy & Physiology 
Questions and Answers Already Passed 
 
What is the main function of epithelial tissue in the body? 
 To protect, absorb, and secrete substances. 
 
What is the role of the myelin sheath in nerve cells? 
 To insulate the nerve fibers and increase the speed of nerve impulses. 
 
Which system is primarily responsible for transporting nutrients, gases, and wastes throughout 
the body? 
 Circulatory system 
 
What is the function of osteoblasts in bone tissue? 
 
 T...
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NURS 612 Exam 4 Questions and Answers
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Osteoblasts 
~ Primary bone-producing cells 
-young immature cell 
Osteocytes 
~ Transformed osteoblasts that are surrounded by new bone tissue 
Osteoclasts 
~ The major reabsorptive cells of the bone (breaks down bone) 
New bone is soft and hardens when it gets mineralized by _______ and _________ 
~ calcium and phosphate 
Joints are also called _________ 
~ articulations 
The functional units of muscle contractions are _________. They are made of 
_______ and ________ 
~ Myofibrils; act...
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Final Exam: BIOS 251 / BIOS251 (2024/ 2025 Update) Anatomy and Physiology I Review with Grade A Questions and Verified Answers| 100% Correct| -Chamberlain
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Final Exam: BIOS 251 / BIOS251 (2024/ 2025 Update) Anatomy and Physiology I Review with Grade A Questions and Verified Answers| 100% Correct| -Chamberlain 
 
Q: The outer covering of bone that helps regulate bone thickness is known as the _________. 
 
 
Answer: 
 Periosteum 
 
 
 
Q: The two ends of a long bone are known as the ______. 
 
 
Answer: 
 Epiphysis 
 
 
 
Q: What occurs during endochondral ossification? 
 
 
Answer: 
 Calcification 
 
Cartilage is replaced by bone 
 
 
 
Q: What is ...
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Hondros BIO 117 Exam 2 with Complete Solutions
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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...
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BIOS 1300 Exam 3 UPDATED Exam Questions and CORRECT Answers
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BIOS 1300 Exam 3 UPDATED Exam 
Questions and CORRECT Answers 
4 types of bone cells - Correct Answer- -osteoprogenitor cells 
-osteoblasts 
-osteocytes 
-osteoclasts 
what are osteoprogenitor cells - Correct Answer- stem cells 
some osteoprogenitor cells move on to be ____________ - Correct Answer- osteoblasts
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MCPHS Anatomy & Physiology Exam 2 Questions With Answers Graded A+ Assured Success
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Mature bone matrix is composed of _________ material like collagen and proteoglycans and ________ 
material like hydroxyapatite. - organic, inorganic 
Describe the overall composition of bone tissue. - Bone consists of bone cells and matrix. The 
bones cells create the matrix, which is constantly being maintained and replaced. 
Which of the following surrounds cartilage? - perichondrium 
Bone tissue consists of extracellular bone ____ and bone cells. - matrix 
What are osteoblasts? - Bone-formin...
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Periodontics for NBDHE| 189 QUESTIONS| WITH COMPLETE SOLUTIONS
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What does periodontology involve? Correct Answer: Diagnosis, tx, and prevention of the inflammatory and systemic disease processes affecting the periodontium 
 
What are the tissues of the periodontium? Correct Answer: Gingiva, PDL, Cementum and alveolar bone 
 
What are the functions of the periodontal ligament? Correct Answer: Transmits occlusal forces to bone, attaches teeth to bone, maintains position of gingival tissues, resists impact of occlusal forces, shock absorber for nerves/vessel...
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Exam 4: NURS 615/ NURS615 (Latest 2024/ 2025 Update) Advanced Pharmacotherapeutics Review |Qs & As| 100% Correct| Grade A (Verified Answers)- Maryville
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Exam 4: NURS 615/ NURS615 (Latest 2024/ 2025 Update) Advanced Pharmacotherapeutics Review |Qs & As| 100% Correct| Grade A (Verified Answers) 
 
 
Q: How does metformin work? 
 
 
Answer: 
Decreases hyperglycemia by decreasing hepatic glucose production called hepatic gluconeogenesis. The average person with type 2 diabetes has three times the rate of gluconeogenesis, metformin treatment reduces this by over 1/3rd. The molecular mechanism of metformin isn't completely understood. In addition to s...
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Biology 252 Exam 2 Questions With 100% Correct Answers.
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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...
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Issa Corrective Exercise with complete & verified solutions already passed
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How many bones are in the human body? - 206 
The rib cage is part of which skeleton? - Axial Skeleton 
How many vertebrae within the vertebral column can move independently? - 
24 
Movement between two adjacent vertebrae is made possible by what? - Facet 
Joints 
Wolffs law describes what? - The way bones can grow or shrink 
New bone material is formed by what? - Osteoblasts 
The strong connective tissue on the bottom of each foot is the: - Plantar 
Aponeurosis 
During the lowering phase of a bi...
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