Human Anatomy (9th Edition)
9th Edition
ISBN: 9780134320762
Author: Frederic H. Martini, Robert B. Tallitsch, Judi L. Nath
Publisher: PEARSON
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Chapter 5, Problem 4RFT
Summary Introduction
Introduction:
Bone is a structure that provides a framework for our body. Endochondral ossification is a bone development process during the fetal development. In the fetus, the skeletal framework is flexible and soft and the bone formation starts only after the eighth week of gestation.
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Which of the following is unique to cancellous bone tissue?
a)osteons
b)lacunae
c)canaliculi
d)trabeculae
Select the best answer or answers from the choices given: Where within the epiphyseal plate are the dividing cartilage cells located? (a) between the calcification zone and the ossification zone, (b) between the hypertrophic zone and the calcification zone, (c) between the resting zone and the hypertrophic zone, (d) in the primary ossification center.
The basic functional units of mature compact bone are: (a) lacunae. (b) osteocytes. (c) osteons. (d) canaliculi.
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Human Anatomy (9th Edition)
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- Bone deposition (formation) occurs where bone is injured or added strength is needed. During this time, there will e the most abundant levels of which bone cells? a) Osteoclasts b) Osteoblasts c) Chondrocytesarrow_forward1) Compact bone is made of concentric rings of osteocytes called : a) acunae b) osteons . c) canaliculiarrow_forwardThe actions of osteoblasts and osteoclasts make bone a dynamic tissue. What will happen if (a) the action of osteoblasts decreases in an old person and (b) the action of osteoclasts decreases in a child?arrow_forward
- The two types of osseous tissue are: (a) compact bone and spongy bone. (b) dense bone and compact bone. (c) spongy bone and cancellous bone. (d) a, b, and c are correctarrow_forwardWhen the long skeletal bones grow in length, cartilage is first formed which then turns into bones. Bone formation (ossification) takes place in which zone: a) The dormant cartilage zone b) Proliferation zones c) Hypertrophy zones d) Calcification zonesarrow_forwardCentral channels a) is where blood cells are produced b) found only in spongy bone c) connects perforating channels with canaliculi. d) connects spongy and compact bonesarrow_forward
- Name three functions of articular cartilage.arrow_forward9) This cell is active once the matrix of bone calcifies. The cells sits in a lacunae. a) osteoprogenitor cells b) osteoclasts (c) osteocytes d) osteoblasts e) chondroblasts 10) What are the extracellular fluid filled extensions of the lacunae called? a) interosteonic (perforating) canals b) osteonic (Haversian) canals d) canaliculi e) perforating (Sharpey's) fibers c) concentric lamellae 11) Which two minerals are needed in large quantities when bones are growing? a) calcium and chlorine d) manganese and sulfur b) magnesium and sulfur c) calcium and phosphorous e) potassium and phosphorous 12) In endochondral ossification, what is the original source of osteoblasts? a) endoderm (b) mesenchyme e) ectoderm c) mucus connective tissue (d) osteoprogenitor cellsarrow_forwardWhich of the following best describes the fetal development of new long bone from cartiage? A) The epiphyseal line is calcified B) Fibroblasts replace trabeculae C) Lamellar bone is converted into woven bone D) Metaphyseal chondrocytes are calcified E) Osteoclasts replace cartilagearrow_forward
- 1) At the epiphyseal plate some chondrocytes undergo hypertrophy. This means they: a) increase in number. b) increase in size. c) accumulate calcium. d) bind to the ossification center.arrow_forwardMatch the cells listed in column B with the descriptions in column A. More than one answer may be correct. Column A Column B (1) located within lacunae (a) osteoblasts (2) secrete matrix (b) osteocytes (3) maintain bone matrix (c) osteoclasts (4) destroy bone tissue (d) chondrocytes (5) located in the endosteumarrow_forwardName the two kinds of tissues present in the bone? a) Cancellous tissue and non-compact tissue b) Compact tissue and non compact tissue c) Compact tissue and cancellous tissue d) Non compact tissue and cancellous tissuearrow_forward
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