Anatomy & Physiology
5th Edition
ISBN: 9780321861580
Author: Marieb, Elaine N.
Publisher: Pearson College Div
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Textbook Question
Chapter 6, Problem 20CYU
Which stimulus-PTH (a hormone) or mechanical forces acting on the skeleton-is more important in maintaining homeostatic blood calcium levels?
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What effect does calcitonin have on osteoclasts,osteoblasts, and blood calcium levels? What stimulus cancause an increase in calcitonin secretion?
Which function is NOT one of the skeleton functions:
a) Production of blood cells
b) Provide attachment points for muscles
c) Storage of calcium and phosphate
d) Storage of vitamin D.
Which of the following is unique to cancellous bone tissue?
a)osteons
b)lacunae
c)canaliculi
d)trabeculae
Chapter 6 Solutions
Anatomy & Physiology
Ch. 6 - Which type of cartilage is most plentiful in the...Ch. 6 - What two body structures contain flexible elastic...Ch. 6 - Cartilage grows by interstitial growth. What does...Ch. 6 - What are the components of the axial skeleton?Ch. 6 - Contrast the general function of the axial...Ch. 6 - What bone class do the ribs and skull bones fall...Ch. 6 - What is the functional relationship between...Ch. 6 - What two types of substances are stored in bone...Ch. 6 - Describe two functions of a bones marrow cavities.Ch. 6 - Are crests, tubercles, and spines bony projections...
Ch. 6 - How does the structure of compact bone differ from...Ch. 6 - Which membrane lines the internal canals and...Ch. 6 - Which component of bone-organic or inorganic-makes...Ch. 6 - Prob. 14CYUCh. 6 - Bones dont begin with bone tissue. What do they...Ch. 6 - When describing endochondral ossification, some...Ch. 6 - Where is the primary ossification center located...Ch. 6 - As a long bone grows in length, what is happening...Ch. 6 - If osteoclasts in a long bone are more active than...Ch. 6 - Which stimulus-PTH (a hormone) or mechanical...Ch. 6 - How does an open fracture differ from a closed...Ch. 6 - How do bone growth and bone remodeling differ?Ch. 6 - Which bone disorder is characterized by excessive...Ch. 6 - What are three measures that may help to maintain...Ch. 6 - Prob. 25CYUCh. 6 - Which is a function of the skeletal system? (a)...Ch. 6 - A bone with approximately the same width, length,...Ch. 6 - The shaft of a long bone is properly called the...Ch. 6 - Sites of hematopoiesis include all but (a) red...Ch. 6 - An osteon has (a) a central canal carrying blood...Ch. 6 - Prob. 6RQCh. 6 - The flat bones of the skull develop from (a)...Ch. 6 - The remodeling of bone is a function of which...Ch. 6 - Bone remodeling in adults is regulated and...Ch. 6 - Prob. 10RQCh. 6 - Wolffs law is concerned with (a) calcium...Ch. 6 - Prob. 12RQCh. 6 - Prob. 13RQCh. 6 - Prob. 14RQCh. 6 - Compare bone to cartilage tissue relative to its...Ch. 6 - Describe in proper sequence the events of...Ch. 6 - Osteocytes residing in lacunae of osteons of...Ch. 6 - As we grow, our long bones increase in diameter,...Ch. 6 - Describe the process of new bone formation in an...Ch. 6 - Compare and contrast controls of bone remodeling...Ch. 6 - Yolanda is asked to review a bone slide that her...Ch. 6 - Remember Mrs. DeStephano? When we last heard about...Ch. 6 - Remember Mrs. DeStephano? When we last heard about...Ch. 6 - Remember Mrs. DeStephano? When we last heard about...Ch. 6 - Remember Mrs. DeStephano? When we last heard about...Ch. 6 - Remember Mrs. DeStephano? When we last heard about...Ch. 6 - Remember Mrs. DeStephano? When we last heard about...Ch. 6 - Remember Mrs. DeStephano? When we last heard about...
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- a) Describe age-associated changes in human bone and their consequences in terms of physiological function b) Discuss how keeping physically active may help to maintain physiological function in human bone during the ageing processarrow_forwardBone 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_forwardWhat can happen to homeostasis when a component of the skeletal system malfunctions?arrow_forward
- Central 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_forwardWhich of the following describes what happens to bones in middle age? Question 26 options: a) Bone breakdown exceeds bone formation b) Bone formation is equal to bone breakdown c) Calcium is more easily removed from bones d) Bone formation exceeds bone breakdownarrow_forwardComplete the following analogies. Collagen is to bone flexibility as [ Select ] ["hydroxyapetite", "calcitonin", "parathyroid hormone", "calcitriol", "cholecalciferol"] is to bone stiffness Osteoblasts is to osteogenesis as [ Select ] ["osteocytes", "osteoprogenitor cells", "osteoclasts", "osteosarcome", "chondrocytes", "fibroblasts"] is to osteolysisarrow_forward
- A race between two runners is often used as an analogy to describe the mechanism of endochondral ossification. Review endochondral ossification. In endochondral ossification, who are the two runners? Did each runner begin the race at the same time? Who is in the lead? How does the race end? I have some ideas but cannot decide. I was first thinking condrocytes and osteoblasts with osteoblasts finishing first with the compact bone, but then I was thinking of blasts and clasts as one builds and one removes. Also, I thought, well maybe, cartilage and osteoblasts.arrow_forward24) which of the following is not a function of the skeletal system? a) storage of minerals b) communication to muscle or glands c) support d) production of blood cells( hemotopoiesis)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
- a) Briefly explain the concept of Wolff's law (bone adaptation). b) Explain what might happen if someone were to wear a leg cast for 12 weeks (no weight bearing on the leg). You can either describe in the textbox or attach a drawing to demonstrate your explanations.arrow_forwardWhy might a person suffering from osteoporosis benefit from increased calcium ingestion?arrow_forwardes) 4) Looking at the epiphyseal plate, what zone is responsible for making new bone cells: a) zone of maturation and hypertrophy b) reserve zone c) proliferative zone d) zone of ossification Text Predictions: On MacBook Pro Focusarrow_forward
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The Skeletal System; Author: Professor Dave Explains;https://www.youtube.com/watch?v=f-FF7Qigd3U;License: Standard YouTube License, CC-BY