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34 questions
What is the total number of bones in the adult human body?
80
126
206
406
How many bones are there in the axial skeleton?
80
126
206
160
How many bones are in the adult appendicular skeleton?
80
126
206
160
Which of the following is not a function of the skeletal system?
Support body
Protect soft organs
Movement
Blood cell production
Detecting pain
What percent bone loss is experienced by astronauts in space?
20% per day
1-2% per month
1-2% per year
10% per week
What percent bone loss is experienced by elderly people on average?
20% per day
1-2% per month
1-2% per year
10% per week
Which of the following are cells that are mature bone cells?
Osteoblasts
Osteoclasts
Melanocytes
Osteocytes
Which of the following are bone builder cells?
Osteoblasts
Erythrocytes
Osteoclasts
Osteocytes
The arrow is pointing to which type of area of bone?
Compact bone
Yellow bone marrow
Spongy bone
Red bone marrow.
Structure C is the ______
Lamellae
Osteon
Spongy bone
Trabeculae
Osteocyte
Structure A is the ______
Lamellae
Osteon
Spongy bone
Trabeculae
Osteocyte
Structure D is the ______
Lamellae
Osteon
Volkmann's canal
Trabeculae
Osteocyte
Structure E is the ______
Lamellae
Osteon
Volkmann's canal
Trabeculae
Haversian canal
Structure F is the ______
Lamellae
Osteon
Volkmann's canal
Trabeculae
Haversian canal
Structure B is the ______
Lamellae
Osteon
Volkmann's canal
Trabeculae
Haversian canal
Structure A are the layers of the bone that are called _____.
Lamellae
Osteons
Trabeculae
Osteocytes
Structure D are the tiny cavities that contain the bone cells in the bone matrix.
Lacunae
Osteons
Trabeculae
Osteocytes
Structure C are the finger-like projections that allow bone cells to receive blood and nutrients.
Lacunae
Osteons
Trabeculae
Osteocytes
Structure B are the mature bone cells.
Lacunae
Osteons
Trabeculae
Osteocytes
Structure E is the _____
Haversian (osteonic) canal
Osteons
Trabeculae
Volkmann's (perforating) canal
Structure A is the _________.
Proximal epiphysis
Distal epiphysis
Periosteum
Epiphyseal line (growth plate)
Diaphysis
Structure F is the _________.
Proximal epiphysis
Distal epiphysis
Periosteum
Epiphyseal line (growth plate)
Diaphysis
Structure I is the _________.
Proximal epiphysis
Medullary cavity
Periosteum
Epiphyseal line (growth plate)
Diaphysis
Structure B is the _________.
Proximal epiphysis
Medullary cavity
Periosteum
Epiphyseal line (growth plate)
Diaphysis
Structure G is the _________.
Proximal epiphysis
Medullary cavity
Periosteum
Epiphyseal line (growth plate)
Diaphysis
Structure D is the _________.
Distal epiphysis
Articular cartilage
Periosteum
Spongy bone
Compactbone
Structure H is the _________.
Distal epiphysis
Articular cartilage
Periosteum
Spongy bone
Compact bone
Which of the following are parts of the appendicular skeleton?
Humerus
Rib
Skull
Vertebrae
Which of the following are parts of the axial skeleton?
Femur
Phalanges
Humerus
Vertebrae
The scapula is part of the
Appendicular bones
Axial bones
The tailbone is part of the
Appendicular bones
Axial bones
The skull is part of the:
Appendicular skeleton
Axial skeleton
The pelvic girdle bones are part of the:
Appendicular skeleton
Axial skeleton
The humerus in the arm is part of the:
Appendicular skeleton
Axial skeleton
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