Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 38, Problem 30CTQ
What are the roles of osteoblasts, osteocytes, and osteoclasts?
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Chapter 38 Solutions
Biology 2e
Ch. 38 - Figure 38.19 Which of the following statements...Ch. 38 - Figure 38.37 Which of the following statements...Ch. 38 - Figure 38.38 The deadly nerve gas Sarin...Ch. 38 - The forearm consists of the radius and ulna radius...Ch. 38 - The pectoral girdle consists of the: clavicle and...Ch. 38 - All of the following are groups of vertebrae...Ch. 38 - Which of these is a facial bone? frontal occipital...Ch. 38 - Which of the following is not a true statement...Ch. 38 - The Haversian canal: is arranged as rods or plates...Ch. 38 - The epiphyseal plate: is arranged as rods or...
Ch. 38 - The cells responsible for bone resorption are...Ch. 38 - Compact bone is composed of trabeculae compacted...Ch. 38 - Osteoporosis is a condition where bones become...Ch. 38 - While assembling a skeleton of a new species, a...Ch. 38 - Synchondroses and symphyses are synovial joints...Ch. 38 - The movement of bone away from the midline of the...Ch. 38 - Which of the following is not a characteristic of...Ch. 38 - The elbow is an example of which type of joint?...Ch. 38 - A high ankle sprain iis an injury caused by over...Ch. 38 - In relaxed muscle, the myosin-binding site on...Ch. 38 - The cell membrane of a muscle fiber is called a...Ch. 38 - The muscle relaxes if no new nerve signal arrives....Ch. 38 - The ability of a muscle to generate tension...Ch. 38 - Botulinum toxin causes flaccid paralysis of the...Ch. 38 - What are the major differences between the male...Ch. 38 - What are the major differences between the pelvic...Ch. 38 - Both hydrostatic and exoskeletons can protect...Ch. 38 - Scoliosis is a medical condition where the spine...Ch. 38 - What are the major differences between spongy bone...Ch. 38 - What are the roles of osteoblasts, osteocytes, and...Ch. 38 - Thalidomide was a morning sickness drug given to...Ch. 38 - What movements occur at the hip joint and knees as...Ch. 38 - What movements) occur(s) at the scapulae when you...Ch. 38 - Describe the joints and motions involved in taking...Ch. 38 - How would muscle contractions be affected if ATP...Ch. 38 - What factors contribute to the amount of tension...Ch. 38 - What effect will low blood calcium have on...Ch. 38 - Skeletal muscles can only produce a mechanical...
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- The primary function of osteoclasts is to: a) Converted to osteocytes b) Form Ca salts and collagen fibers c) Break down bone tissue d) Prevent the development of osteoblastsarrow_forward22) when are osteoblast becomes completely surrounded by its own matrix secretions it is referred to as a(n)? a) osteoclast b) osteogenic cell c) osteoclast d) osteocytearrow_forwardHow does a decrease in osteoblast activity and a decrease in adding minerals to bone lead to weaker bones?arrow_forward
- Where are osteoblasts found?arrow_forwardExplain how osteoclasts and osteoblasts remodel bone.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_forward
- 17) the central( haversian) canal that runs through the core of each osteon is the site of a) blood vessels and nerve fibers b) yellow marrow and spicules c) cartilage and interstitial lamellae d) adipose tissue and nerve fibersarrow_forwardWhich cell secretes the matrix for bone formation? a) Osteoclastoma b) Osteoclast c) Mesoblasts d) Osteoblastsarrow_forwardCells in the outer lamella of an osteon receive nutrients: a) by diffusion through the extracellular matrix b) by diffusion from surrounding blood vessels c) by cell-to-cell transfer through gap junctions d) directly from the blood in perforating canalsarrow_forward
- What constitutes the largest part of a bone? a) Osteocytes b) Proteoglycans c) Collagen d) Hydroxyapatitearrow_forwardThe function of osteoblasts is to: a.break down bone b.produce blood cells c.produce collagen for bone matrix d.add new tissue to the periosteum e.provide nourishment to the cells of the articular cartilagearrow_forward1) Compact bone is made of concentric rings of osteocytes called : a) acunae b) osteons . c) canaliculiarrow_forward
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