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MSK1 Questions And Answers 2024/2025 Update
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MSK1 Questions And Answers 2024/2025 Update
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MSK1 Questions And Answers2024/2025 Update
What structures make up the skeletal system - think what tissue types and
locations? ANS✔✔ Osseus tissue, cartilage, dense connetive tissue, marrow,
neurovasculature
Osseous tissue ANS✔✔ Mineralized connective tissue (calcified) consisting of
organic components such as collagen and inorganic salts such as calcium and
phosphorus. It is composed of cells and an extracellular matrix.
Cartilage ANS✔✔ It is responsible for bone ossification (bone formation) and joints.
Most of the cartilage in the body is hyaline cartilage.
Dense connective tissue (3 types) ANS✔✔ Periosteum - Dense irregular tissue on
the outside of bone that allows for growth and protection.
Ligaments - Dense regular fibers connecting bone to bone
Tendons - Dense regular fibers connecting bone to muscle
Marrow ANS✔✔ Red marrow - Hematopoietic and is found in fetus and at 1 year of
life, later mostly replaced by yellow marrow
Yellow marrow - Fills the cavities within long bones and is the framework for
connective tissue, supporting numerous blood vessels and cells. They contain
adipocytes for fat formation.
, Neurovasculature ANS✔✔ Arteries, veins, and nerves. They are important for bone
remodeling and controlling muscles.
What do the terms tensile, compressive, and shear strength/force mean? ANS✔✔
Tensile - Withstand stretching and pulling (collagen)
Compressive - Withshand squeezing, crushing, and compressing
Shear - Withstand forces from opposite directions
What is the axial skeleton? In general terms, what bones make up this portion of the
skeleton, and where are they located? ANS✔✔ Contains less bones and are aligned
with the longitudinal axis of the skeleton. It contains bones in the skull, thoracic
cage, and vertebral column.
What is the appendicular skeleton? In general terms, what bones make up this
portion of the skeleton, and where are they located? ANS✔✔ Consists of the
appendages and includes bones in the arms, legs, pelvis, and clavicles.
What are the different parts of a long bone? ANS✔✔ Diaphysis, epiphyses,
metaphases, epiphyseal plate, articular cartilage, periosteum, medullary cavity, and
endosteum
Diaphysis ANS✔✔ Shaft of the long bone
Epiphyses ANS✔✔ The ends of the long bone, typically proximal and distal
Metaphyses ANS✔✔ Region between the diaphysis and epiphysis
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