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Patho Exam 6 - Module 11: MSK Verified and
Updated Questions and Answers (100%
Correct Answers)
Osteoblasts
Answer: -Form new bone
-Synthesize osteoid
-Become osteocytes that are imbedded in bone
Osteocytes
Answer: Maintains bone matrix by signaling
Osteobiasts and osteoclasts to form and resorb bone
Respond to parathyroid hormone (PTH)
Osteoclasts
Answer: Bone resorption
Bone Matrix
Answer: -35% organic and 65% inorganic
-Collagen fibers
-Calcium and phosphate minerals
-Proteoglycans
-Glycoproteins
Proteoglycans
Answer: • polysaccharides which include glucosamine and chondroitin
• Strengthen the bone by forming compression-resistant networks between the
collagen and the calcium
• Help deposit calcium in the bone. Then the
,Inquire through: | Professional | Confidential Support
Glycoproteins
Answer: • carbohydrate complexes
• Control the collagen interaction
• Help play a role in calcification along with the proteoglycans.
Compact Bone (cortical bone)
Answer: • 85% of the skeleton
• Solid and extremely strong
- Main weight bearing structure in long bones
• Haversian system (Osteon)
- Osteocyte
- Haversian canal
- Lamellae
- Lacunae
Spongy Bone (cancellous bone)
Answer: • 15% of the skeleton
• Filled with red bone marrow
• Lacks haversian system
• Trabeculae
Joint classifications based on movement
Answer: • Synarthrosis: Immovable
• Amphiarthrosis: Slightly movable
• Diarthrosis: Freely movable
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Joint classifications are also based on structure.
Answer: • Fibrous, cartilaginous, synovial
Synchondrosis joint ex:
Answer: the ribs are connected to the sternum by the costal cartilage
Cartilaginous or Amphiarthrosis joints:
Answer: the intervertebral discs, pubic symphysis
Fibrous types of joints:
Answer: syndesmosis between the tibia and the fibula, and also the skull sutures
Synovial - spheroid-type:
Answer: shoulder [proximal humerus]
Synovial - Hinge-type:
Answer: like at the elbow, here is an example of the diarthrosis or synovial joint.
Gliding joints:
Answer: all the bones of the hand
Each muscle fiber is a single muscle cell and contains bundles of
Answer: myofibrils which are the muscle fiber's functional subunits.
The myofibrils run in a parallel arrangement along the
Answer: longitudinal axis of the muscle, (or lengthwise down the muscle).
A muscle fiber is long and cylindrical and is surrounded by
Answer: a two-part membrane.
The sarcolemma contains the plasma membrane of the muscle cell and is capable of
Answer: propagating electrical impulses to initiate muscle contraction.
The basement membrane serves as the cell's
Answer: microskeleton and maintains the shape of the muscle cell.
The sarcoplasm is the
Answer: cytoplasm of the muscle cell and contains the common intracellular
components of a cell like the mitochondria and ribosomes.
The sarcoplasmic reticulum, which run parallel to the myofibrils, and the T tubules
that run perpendicular to the myofibrils, are involved in
Patho Exam 6 - Module 11: MSK Verified and
Updated Questions and Answers (100%
Correct Answers)
Osteoblasts
Answer: -Form new bone
-Synthesize osteoid
-Become osteocytes that are imbedded in bone
Osteocytes
Answer: Maintains bone matrix by signaling
Osteobiasts and osteoclasts to form and resorb bone
Respond to parathyroid hormone (PTH)
Osteoclasts
Answer: Bone resorption
Bone Matrix
Answer: -35% organic and 65% inorganic
-Collagen fibers
-Calcium and phosphate minerals
-Proteoglycans
-Glycoproteins
Proteoglycans
Answer: • polysaccharides which include glucosamine and chondroitin
• Strengthen the bone by forming compression-resistant networks between the
collagen and the calcium
• Help deposit calcium in the bone. Then the
,Inquire through: | Professional | Confidential Support
Glycoproteins
Answer: • carbohydrate complexes
• Control the collagen interaction
• Help play a role in calcification along with the proteoglycans.
Compact Bone (cortical bone)
Answer: • 85% of the skeleton
• Solid and extremely strong
- Main weight bearing structure in long bones
• Haversian system (Osteon)
- Osteocyte
- Haversian canal
- Lamellae
- Lacunae
Spongy Bone (cancellous bone)
Answer: • 15% of the skeleton
• Filled with red bone marrow
• Lacks haversian system
• Trabeculae
Joint classifications based on movement
Answer: • Synarthrosis: Immovable
• Amphiarthrosis: Slightly movable
• Diarthrosis: Freely movable
, Inquire through: | Professional | Confidential Support
Joint classifications are also based on structure.
Answer: • Fibrous, cartilaginous, synovial
Synchondrosis joint ex:
Answer: the ribs are connected to the sternum by the costal cartilage
Cartilaginous or Amphiarthrosis joints:
Answer: the intervertebral discs, pubic symphysis
Fibrous types of joints:
Answer: syndesmosis between the tibia and the fibula, and also the skull sutures
Synovial - spheroid-type:
Answer: shoulder [proximal humerus]
Synovial - Hinge-type:
Answer: like at the elbow, here is an example of the diarthrosis or synovial joint.
Gliding joints:
Answer: all the bones of the hand
Each muscle fiber is a single muscle cell and contains bundles of
Answer: myofibrils which are the muscle fiber's functional subunits.
The myofibrils run in a parallel arrangement along the
Answer: longitudinal axis of the muscle, (or lengthwise down the muscle).
A muscle fiber is long and cylindrical and is surrounded by
Answer: a two-part membrane.
The sarcolemma contains the plasma membrane of the muscle cell and is capable of
Answer: propagating electrical impulses to initiate muscle contraction.
The basement membrane serves as the cell's
Answer: microskeleton and maintains the shape of the muscle cell.
The sarcoplasm is the
Answer: cytoplasm of the muscle cell and contains the common intracellular
components of a cell like the mitochondria and ribosomes.
The sarcoplasmic reticulum, which run parallel to the myofibrils, and the T tubules
that run perpendicular to the myofibrils, are involved in
