MSC ORT Exam 1 2025 Questions and
Answers
The knee is the articulation between what - --Answer --The femur, the tibia
and the patella
long bones - --Answer --femur, tibia, humerus, ulna and radius
Cortical(compact bone) - --Answer --80% of the skeleton
Cancellous bone - --Answer --spongy or trabecular, crossed lattice structure-
end of long bones
Subchondral - --Answer --dense bone beneath articular cartilage
Diaphysis - --Answer --shaft of the long bones- consists of thick cortical
bone shell surrounding medullary canal
Epiphysis - --Answer --end of long bones where it flares, the growth plate of
the bone
Once epiphysis is closed, it is all called - --Answer --metaphysis
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,What are the fibrous connective tissue - --Answer --it is tendon and ligament
What is the main building block for tendons, ligaments, skin, teeth, bone - --
Answer --collagen
Collagen is the - --Answer --building block fibers
protein fibers
twisted protein fibers
What produces collagen fibers - --Answer --fibroblasts
What is essential to musculoskeletal tissues - --Answer --collagen
Elastin - --Answer --functions in connective tissue with collagen
coils of protein that stretches
important in function of ligaments and tendons
provides tissue elasticity
Ligament composition - --Answer --water (60-80%)
type 1 collagen (70% of dry weight)
less organized collagen fibers than tendons
elastin fibers
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, low vascularity
low cellularity (population of cells)- fibroblasts
When are tendons and ligaments weakest after injury - --Answer --between
days 5-21
Tendons transfer forces from - --Answer --muscle to bone producing joint
motion
Tendon Composition and Structure - --Answer --Water (60-80%)
Type 1 collagen- 85% (dry weight)
Type 3 collagen- around 5%
Proteoglycans make up 0-5%
fibroblasts re the predominant cells
structure combination of bundles of fibers
Tendons contain more __________ and less _________ than ligaments - --
Answer --collagen, elastin
Tendons are (stronger/weaker) than ligaments but (more/less) elastic than
ligaments - --Answer --stronger, less
Articular Cartilage Function - --Answer --interface of bones forming joints
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 3
Answers
The knee is the articulation between what - --Answer --The femur, the tibia
and the patella
long bones - --Answer --femur, tibia, humerus, ulna and radius
Cortical(compact bone) - --Answer --80% of the skeleton
Cancellous bone - --Answer --spongy or trabecular, crossed lattice structure-
end of long bones
Subchondral - --Answer --dense bone beneath articular cartilage
Diaphysis - --Answer --shaft of the long bones- consists of thick cortical
bone shell surrounding medullary canal
Epiphysis - --Answer --end of long bones where it flares, the growth plate of
the bone
Once epiphysis is closed, it is all called - --Answer --metaphysis
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
,What are the fibrous connective tissue - --Answer --it is tendon and ligament
What is the main building block for tendons, ligaments, skin, teeth, bone - --
Answer --collagen
Collagen is the - --Answer --building block fibers
protein fibers
twisted protein fibers
What produces collagen fibers - --Answer --fibroblasts
What is essential to musculoskeletal tissues - --Answer --collagen
Elastin - --Answer --functions in connective tissue with collagen
coils of protein that stretches
important in function of ligaments and tendons
provides tissue elasticity
Ligament composition - --Answer --water (60-80%)
type 1 collagen (70% of dry weight)
less organized collagen fibers than tendons
elastin fibers
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
, low vascularity
low cellularity (population of cells)- fibroblasts
When are tendons and ligaments weakest after injury - --Answer --between
days 5-21
Tendons transfer forces from - --Answer --muscle to bone producing joint
motion
Tendon Composition and Structure - --Answer --Water (60-80%)
Type 1 collagen- 85% (dry weight)
Type 3 collagen- around 5%
Proteoglycans make up 0-5%
fibroblasts re the predominant cells
structure combination of bundles of fibers
Tendons contain more __________ and less _________ than ligaments - --
Answer --collagen, elastin
Tendons are (stronger/weaker) than ligaments but (more/less) elastic than
ligaments - --Answer --stronger, less
Articular Cartilage Function - --Answer --interface of bones forming joints
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 3
