Textbook Question
The disorder in which bones are porous and thin but bone composition is normal is
a. Osteomalacia
b. Osteoporosis
c. Paget's disease
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Ch. 6 Bones and Skeletal Tissues
Marieb, Hoehn7th EditionHuman Anatomy & PhysiologyISBN: 9780805359091
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Table of contents
- Ch. 1 The Human Body: An Orientation24
- Ch. 2 Chemistry Comes Alive25
- Ch. 3 Cells: The Living Units24
- Ch. 4 Tissue: The Living Fabric19
- Ch. 5 The Integumentary System10
- Ch. 6 Bones and Skeletal Tissues19
- Ch. 7 The Skeleton11
- Ch. 8 Joints7
- Ch. 9 Muscles and Muscle Tissue26
- Ch. 10 The Muscular System26
- Ch. 11 Fundamentals of the Nervous System and Nervous Tissue23
- Ch. 12 The Central Nervous System26
- Ch. 13 The Peripheral Nervous System and Reflex Activity28
- Ch. 14 The Autonomic Nervous System18
- Ch. 16 The Endocrine System26
- Ch. 17 Blood27
- Ch. 18 The Cardiovascular System: The Heart22
- Ch. 19 The Cardiovascular System: Blood Vessels27
- Ch. 20 The Lymphatic System and Lymphoid Organs and Tissues16
- Ch. 21 The Immune System: Innate and Adaptive Body Defenses29
- Ch. 22 The Respiratory System20
- Ch. 23 The Digestive System30
- Ch. 24 Nutrition, Metabolism, and Energy Balance26
- Ch. 25 The Urinary System25
- Ch. 26 Fluid, Electrolyte, and Acid-Base Balance24
- Ch. 27 The Reproductive System23
Marieb, Hoehn7th EditionHuman Anatomy & PhysiologyISBN: 9780805359091Not the one you use?Change textbook
Chapter 6, Problem 7
Formation of the bony callus in fracture repair is followed by:
a. Hematoma formation
b. Fibrocartilaginous callus formation
c. Bone remodeling
d. Formation of granulation tissue
Verified step by step guidance1
Step 1: Understand the sequence of events in fracture repair. The process begins with hematoma formation, where blood clots form at the fracture site to stop bleeding and provide a foundation for healing.
Step 2: Next, fibrocartilaginous callus formation occurs, where a soft callus made of collagen and cartilage bridges the broken bone ends, stabilizing the fracture.
Step 3: After the soft callus, the bony callus forms. This is a hard callus made of spongy bone that replaces the fibrocartilaginous callus, providing stronger support.
Step 4: The step that follows the formation of the bony callus is bone remodeling. During remodeling, the spongy bone is gradually replaced by compact bone, restoring the bone's original shape and strength.
Step 5: Therefore, the correct answer is the process that comes after the bony callus formation, which is bone remodeling.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Stages of Fracture Healing
Fracture healing occurs in a series of stages: hematoma formation, fibrocartilaginous callus formation, bony callus formation, and bone remodeling. Understanding the sequence helps identify what follows each stage during bone repair.
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Bony Callus Formation
The bony callus forms when osteoblasts replace the fibrocartilaginous callus with spongy bone, stabilizing the fracture. This stage bridges the broken bone ends and precedes the remodeling phase.
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Bone Remodeling
Bone remodeling is the final phase where the bony callus is reshaped into compact bone, restoring the bone's original structure and strength. This process can take several months to complete.
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Related Practice
Textbook Question
A bone with approximately the same width, length, and height is most likely:
a. A long bone
b. A short bone
c. A flat bone
d. An irregular bone
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Textbook Question
The organic portion of matrix is important in providing all but
a. Tensile strength
b. Hardness
c. Ability to resist stretch
d. Flexibility
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Textbook Question
Wolff's law is concerned with:
a. Calcium homeostasis of the blood
b. The shape of a bone being determined by mechanical stresses placed on it
c. The electrical charge on bone surfaces
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Textbook Question
Bone remodeling in adults is regulated and directed mainly by:
a. Growth hormone
b. Thyroid hormones
c. Sex hormones
d. Mechanical stress
e. PTH
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Textbook Question
Describe in proper sequence the events of endochondral ossification in a long bone.
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