Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Textbook Question
Chapter 6, Problem 32RQ
Wolff’s Law, which describes the effect of mechanical forces in bone modeling/remodeling, would predict that ________.
- a right-handed pitcher will have thicker bones in his right arm compared to his left.
- a light-handed cyclist will have thicker bones in her right leg compared to her left.
- a broken bone will heal thicker than it was before the fracture.
- a bed-ridden patient will have thicker bones than an athlete.
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A 72-year-old man is brought to the emergency department 1 hour after he injured his right thigh when he fell off an all- terrain vehicle. Physical examination shows an offset displacement in the right thigh. An X-ray shows fracture of the right femur. During surgical repair, a metal plate attached with screws is used to align the bone during healing. Which of the following structures must be protected during the operation because it is the source of new bone formation?
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Intramembranous ossification of bone is seen in areas where:
protection is needed immediately
where body weight is borne
blood supply is profuse
maximum movement occurs
2.
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Chapter 6 Solutions
Anatomy & Physiology
Ch. 6 - Which function of the skeletal system would be...Ch. 6 - Bone tissue can be described as ________. dead...Ch. 6 - Without red marrow, bones would not be able to...Ch. 6 - Yellow marrow has been identified as ________. an...Ch. 6 - Which of the following can be found in areas of...Ch. 6 - The skeletal system is made of ________. a....Ch. 6 - Most of the bones of the arms and hands are long...Ch. 6 - Sesamoid bones are found embedded in ________....Ch. 6 - Bones that surround the spinal cord are classified...Ch. 6 - Which category of bone is among the most numerous...
Ch. 6 - Long bones enable body movement by acting as a...Ch. 6 - Which of the following occurs in the spongy bone...Ch. 6 - The diaphysis contains ________. a. the metaphysis...Ch. 6 - The fibrous membrane covering the outer surface of...Ch. 6 - Which of the following are incapable of undergoing...Ch. 6 - Which cells do not originate from osteogenic...Ch. 6 - Which of the following are found in compact bone...Ch. 6 - Which of the following are only found in...Ch. 6 - The area of a bone where the nutrient foramen...Ch. 6 - Why is cartilage slow to heal? because it...Ch. 6 - Why are osteocytes spread out in bone tissue? They...Ch. 6 - In endochondral ossification, what happens to the...Ch. 6 - Which of the following bones is (are) formed by...Ch. 6 - Bones grow in length due to activity in the...Ch. 6 - Bones grow in diameter due to bone formation...Ch. 6 - Which of the following represents the correct...Ch. 6 - A fracture can be both ________. open and closed...Ch. 6 - How can a fractured diapliysis release fat...Ch. 6 - In a compound fracture, ________. the break occurs...Ch. 6 - The internal and external calli are replaced by...Ch. 6 - The first type of bone to form during fracture...Ch. 6 - Wolffs Law, which describes the effect of...Ch. 6 - Calcium cannot be absorbed from the small...Ch. 6 - Which one of the following foods is best for bone...Ch. 6 - Which of the following hormones are responsible...Ch. 6 - With respect to their direct effects on osseous...Ch. 6 - When calcium levels are too high or too low, which...Ch. 6 - All of the following play a role in calcium...Ch. 6 - Which of the following is most likely to be...Ch. 6 - The skeletal system is composed of bone and...Ch. 6 - What are the structural and functional differences...Ch. 6 - What are the structural and functional differences...Ch. 6 - If the articular cartilage at the end of one of...Ch. 6 - In what ways is the structural makeup of compact...Ch. 6 - In what ways do intramembranous and endochondral...Ch. 6 - Considering how a long bone develops, what are the...Ch. 6 - What is the difference between closed reduction...Ch. 6 - In terms of origin and composition, what are the...Ch. 6 - If you were a dietician who had a young female...Ch. 6 - During the early years of space exploration our...Ch. 6 - An individual with very low levels of vitamin D...Ch. 6 - Describe the effects caused when the parathyroid...
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- 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_forwardThe surgical fracture of a bone to correct a deformity is known as osteclasis._________________arrow_forwardOsteomalacia, also known as adult rickets, is abnormal softening of bones in adults. ______ _______ _______ _______arrow_forward
- In an accident, Felipe Valladares broke several bones in his fingers. The medical term for these injuries is fractured ______________________.arrow_forwardThe partial displacement of a bone from its joint is known as_________________arrow_forwardMineralization of bone tissue requires_______. a. calcium ions b. osteoclasts c. elastin d. all of the abovearrow_forward
- Explain why bone remodeling is important, and give its stepsarrow_forwardAmong other bones, the axial skeleton includes the_____. a. thoracic cage and vertebral column b. thoracic cage and pectoral girdle c. skull and pelvic girdle d. pectoral and pelvic girdlesarrow_forwardWhat is osteoma? A condition or degenerative process involving bone A bone tumor Abnormal bone development An instrument for the surgical excision of bonearrow_forward
- Bone cells that break down extracellular matrix during bone remodeling are: osteoprogenitor cells osteocytes osteoclasts osteoblastsarrow_forwardWhich of the following is NOT correct? A. Bone fracture is a partial or complete break in the continuity of the bone B. Bone remodelling, continuing process of synthesis and destruction that gives bone its mature structure and maintains normal calcium levels in the body C. bone resorption the process by which osteoclasts break down the tissue in bones and release the minerals D. Osteoblasts release hydrochloric acid and acidic proteases such as cathepsin K, resulting in degradation of the bone matrix and liberation of Ca, PO., and fragments of type I collagen E. osteoblasts have receptors for PTH and, when activated, produce osteoclast stimulating factor (cytokine)arrow_forwardImportant bone functions include (select all that apply): Group of answer choices attachment for muscles storage of minerals protection of the skin and limb musculature storage of water protection of the brainarrow_forward
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