How Well Do You Know About Bone Structure?
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Questions and Answers
- 1.
The shaft of the bone is known as the __________
- A.
Epiphyses
- B.
Diaphysis
- C.
Metaphyses
Correct Answer
B. DiapHysisExplanation
The diaphysis is the long cylindrical, main portion of the bone aaka the shaft.Rate this question:
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- 2.
What are regions between the diaphysis and the epiphyses known as?
- A.
Diaphysis
- B.
Epiphyses centre
- C.
Metaphyses
- D.
Articular cartilage
Correct Answer
C. MetapHysesExplanation
The regions between the diaphysis and the epiphyses are known as metaphyses. The diaphysis refers to the shaft or main portion of a long bone, while the epiphyses are the rounded ends of the bone. The metaphyses, therefore, refer to the areas where the diaphysis and epiphyses meet. These regions play a crucial role in bone growth and development, as they contain the growth plates or epiphyseal plates, which are responsible for longitudinal bone growth.Rate this question:
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- 3.
The structures of the metaphyses contain an:
- A.
Epiphyseal plate
- B.
Area of articular cartilage
- C.
Hyaline cartilage
Correct Answer(s)
A. EpipHyseal plate
C. Hyaline cartilageExplanation
The correct answer is epiphyseal plate and hyaline cartilage. The metaphyses are the regions of long bones where the diaphysis (shaft) and epiphysis (end) meet. The epiphyseal plate is a layer of cartilage located in the metaphysis that allows for longitudinal bone growth. Hyaline cartilage, also found in the metaphyses, provides a smooth surface for joint movement and reduces friction between bones. Both the epiphyseal plate and hyaline cartilage are important components of the metaphyses, contributing to bone growth and joint function.Rate this question:
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- 4.
The epiphyses are the proximal and ________ ends of the bone
- A.
Distant
- B.
Furthest
- C.
Distal
- D.
Far
Correct Answer
C. DistalExplanation
The epiphyses are the proximal and distal ends of the bone. The proximal end is the end that is closer to the center of the body, while the distal end is the end that is further away from the center of the body. Therefore, the correct answer is "distal" as it refers to the furthest end of the bone.Rate this question:
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- 5.
What is the resulting boney structure known as once hyaline cartilage converts to bone within the metaphyses?
- A.
Epiphyseal shaft
- B.
Epiphyseal line
- C.
Distal line
- D.
Proximal line
Correct Answer
B. EpipHyseal lineExplanation
The resulting bony structure known as once hyaline cartilage converts to bone within the metaphyses is called the epiphyseal line.Rate this question:
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- 6.
Articular cartilage covers the _________ areas where a joint forms one bone to another.
- A.
Distal
- B.
Proximal
- C.
Epiphyses
Correct Answer
C. EpipHysesExplanation
Articular cartilage covers the epiphyses areas where a joint forms one bone to another. Epiphyses refer to the rounded ends of long bones that articulate with other bones to form joints. Articular cartilage is a smooth and slippery tissue that covers the epiphyses, protecting the bones and allowing them to move smoothly against each other during joint movements.Rate this question:
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- 7.
The main functions of the articular cartilage are to:
- A.
Generate power
- B.
Reduce friction
- C.
Shock absorb
- D.
Create friction
Correct Answer(s)
B. Reduce friction
C. Shock absorbExplanation
The articular cartilage serves as a protective layer between the bones in a joint, reducing friction during movement. It also acts as a shock absorber, cushioning the joint and preventing damage from impact or excessive force. Therefore, the main functions of the articular cartilage are to reduce friction and absorb shock.Rate this question:
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- 8.
What area of the bone does periosteum not exist?
- A.
At the distal end of the bone only
- B.
Where there is no articular cartilage
- C.
Where there is articular cartilage
Correct Answer
C. Where there is articular cartilageExplanation
Periosteum is a dense connective tissue that covers the outer surface of bones, except at the points of articulation where there is articular cartilage. Articular cartilage is a smooth, slippery tissue that covers the ends of bones in a joint, providing cushioning and reducing friction. Since periosteum does not exist where there is articular cartilage, the correct answer is "Where there is articular cartilage."Rate this question:
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- 9.
What do the inner layer of cells enable?
- A.
Bone growth (thickness)
- B.
Bone growth (length)
- C.
Articulations
Correct Answer
A. Bone growth (thickness)Explanation
The inner layer of cells in bones enable bone growth in terms of thickness. These cells, known as osteoblasts, are responsible for depositing new bone tissue on the inner surface of the bone. This process, called appositional growth, helps to increase the diameter of the bone and make it stronger. Articulations, on the other hand, refer to the joints between bones, and bone growth in length is primarily regulated by the growth plates located at the ends of long bones.Rate this question:
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- 10.
The Periosteum also __________
- A.
Protects bone
- B.
Assists in fracture repair
- C.
Nourish bone tissue
- D.
Assists in ligament and tendon growth
Correct Answer(s)
A. Protects bone
B. Assists in fracture repair
C. Nourish bone tissueExplanation
The periosteum is a tough, fibrous membrane that covers the outer surface of bones. It serves multiple functions, including protecting the bone from external forces and providing a surface for the attachment of ligaments and tendons. Additionally, the periosteum contains blood vessels that supply nutrients to the underlying bone tissue, aiding in its nourishment. In the case of a fracture, the periosteum plays a crucial role in the healing process by providing a source of new bone cells and facilitating the repair of the damaged area.Rate this question:
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- 11.
Yellow bone marrow is found where?
- A.
Periosteum
- B.
Within the blood
- C.
Madullary Cavity
- D.
Medullary Cavity
Correct Answer
D. Medullary CavityExplanation
Yellow bone marrow is found in the medullary cavity. The medullary cavity is the innermost part of the bone, surrounded by compact bone tissue. It contains yellow bone marrow, which is mainly composed of fat cells. Yellow bone marrow is responsible for storing fats and producing some types of blood cells. It is found in the long bones of adults, such as the femur and tibia.Rate this question:
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- 12.
What is the membrane of the medullary cavity known as?
- A.
Edosteum
- B.
Endosteam
- C.
Endosteum
- D.
Edosteam
Correct Answer
C. EndosteumExplanation
The membrane of the medullary cavity is known as the endosteum.Rate this question:
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- 13.
Which type of bone cell is the only one to experience cell division?
- A.
Osteoblasts
- B.
Osteogenic cells
- C.
Osteocytes
- D.
Osteoclasts
Correct Answer
B. Osteogenic cellsExplanation
Osteogenic cells are the only type of bone cell that undergo cell division. These cells are responsible for the production of new bone tissue and play a crucial role in bone growth and repair. They have the ability to differentiate into osteoblasts, which are responsible for bone formation. Osteocytes are mature bone cells that are involved in maintaining bone health, while osteoclasts are responsible for bone resorption. Therefore, osteogenic cells are the only bone cells that divide and give rise to other bone cell types.Rate this question:
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- 14.
Osteoblasts become trapped in their secretions and become osteoclasts
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Osteoblasts become trapped in their secretions and become osteocytesRate this question:
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- 15.
What do osteocytes have in common with osteoblasts?
- A.
They both maintain bone metabolism
- B.
They both under go cell division
- C.
They both exchange nutrients and wastes
- D.
They do not undergo cell division
Correct Answer
D. They do not undergo cell divisionExplanation
Osteocytes and osteoblasts are both types of bone cells that play important roles in maintaining bone metabolism. However, the key difference between them is that osteocytes do not undergo cell division, while osteoblasts do. Osteocytes are mature bone cells that are responsible for maintaining the daily activities of bone tissue, such as exchanging nutrients and wastes and regulating bone remodeling. On the other hand, osteoblasts are responsible for bone formation and are involved in the process of bone growth and repair, which requires cell division.Rate this question:
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- 16.
What do the osteocytes release to digest protein and mineral components?
- A.
Calcium
- B.
Phosphorous
- C.
Lyosomal enzymes
Correct Answer
C. Lyosomal enzymesExplanation
Osteocytes are bone cells that play a crucial role in maintaining bone health. They release lyosomal enzymes to digest protein and mineral components. These enzymes help in breaking down and remodeling bone tissue by breaking down proteins and minerals present in the bone matrix. This process is essential for the maintenance of bone structure and the release of minerals like calcium and phosphorous into the bloodstream.Rate this question:
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Apr 02, 2024Quiz Edited by
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Nov 18, 2012Quiz Created by
Ags2511
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