EBK BIOLOGY
5th Edition
ISBN: 8220101337627
Author: Maier
Publisher: PEARSON
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Chapter 21, Problem 7LTB
Summary Introduction
Introduction:
Bone can be defined as a dynamic tissue which is continually being reshaped by the osteoblasts. Osteoblasts are the cells which have a single nucleus that produces bone. In bone formation, these cells work in groups of associated cells. Single cells cannot form bone. A group of ordered osteoblasts together with the bone produced by a unit of cells is generally known as osteon.
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Osteoblasts ________.
form skeletal cartilage
form new bone
calcify bone matrix
break down bone
Bone cells start off as__________ which secrete the components of the matrix and then become trapped inside.
Osteoarthritis refers to _______.
A
inflammation of the joints due wear and tear on the cartilage with aging
B
bone pain caused by an autoimmune disease that destroys osteons
C
a decrease in bone mineral density due to insufficient dietary calcium and vitamin D
D
microfractures in vertebrae caused by excessive osteoclast activity
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- Which bone cell is involved in degrading bone? osteocytes osteoblasts chondroblasts osteoclastsarrow_forwardWhich type of cell gives rise to osteoblasts? Multiple Choice Haversian cell Osteogenic cell Monocyte Lymphocyte Osteoblastarrow_forwardCancellous bone is found in the_______ of long bones. This bone tissue is not as dense as compact bone.arrow_forward
- Abnormal hardening of bone is known as _____________________.arrow_forwardAn osteochondroma is a benign bony projection covered with cartilage. ______ _______ _______ _______arrow_forwardA type of cancer that occurs in blood-making cells found in the red bone marrow is known as a/an __________________________. primary bone cancer Ewings sarcoma myeloma osteochondromaarrow_forward
- The term meaning the death of bone tissue due to lack of blood flow is______________ osteitis deformans osteomyelitis avascular necrosis osteoporosisarrow_forwardThe surgical fracture of a bone to correct a deformity is known as osteclasis._________________arrow_forwardEduardo Sanchez was treated for an inflammation of the bone and bone marrow. The medical term for this condition is _____________________ .arrow_forward
- The hollow center of an osteon (Haversian system) provides space for what vital part of compact bone tissue? a. Marrow b. collagen fibers c. a blood vessel d. osteocytesarrow_forwardA fracture is diagnosed when the bone has brokenthrough the skin.arrow_forwardonly one answer is correct Select the statement that is accurate concerning osteoid. It is the inorganic part of the matrix of bone. It is one of the cell types found in bone. It is located on the outer surface of bone. It is the organic part of the matrix of bone.arrow_forward
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