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WorksheetsCH 50: Musculoskeletal System- Joints
Total questions: 20
Worksheet time: 20mins
Which of these joints are classified as synarthroses joints?
Synovial
Articular cartilage
Suture
gomphosis
What is the function of a syndesmosis joint?
Joins the tooth to the socket, making it the only Joint between the mandible
Joins two bones together by an interosseous membrane or ligament
As a freely moving joint, it allows for a wide range of motion
To unite bones with a thin but dense layer of fibrous tissue
What are the two sub-classifications of synarthroses joints?
(a)
Diarthroses joints are also called
(a)
What enhances the stability of diarthroses joints
Menisci, labra, articular cartilage
ligaments, tendons, labra
Synovial fluid
menisci, articular cartilage, ligaments
What is the purpose of diarthroses joints?
(a)
What are some common features of diarthroses joints?
joint cavity enclosed by a joint capsule
synovial fluid that provides lubrication
hyaline cartilage that covers the joint surface
hyaline cartilage that covers the synovial membrane
What produces synovial fluid?
Osteoblast cells
Osteon units
Fibroblast-like cells
fasciculi
What are the three main categories of synovial joint movement?
(a)
which of the following are considered cartilaginous joints?
Syndesmosis joint
synchondrosis joint
symphysis joint
suture joint
Fibrous and cartilaginous joints are considered
synarthroses joints
syndesmosis joints
diarthroses joints
synovial joints
Where are suture joints found?
Foramen in the skull
mandible
between the teeth and mandible
The skull
Where can a symphysis joint be found?
Between the humerus and the radius and ulna
between the mandible and skull
the hyoid
The pubis
Function of Uniaxial Joints?
allow motion around a single axis of movement
The ability to rotate in two directions
allow the ball-and-socket movement
Prevent motion around a single axis of movement
The function of biaxial joint?
To allow movement with minimal deterioration
To distribute load in order to withstand stress
To permit movement in joints with no synovial fluid
To permit movement in two planes with two axes of movement
What is the function of a triaxial joint?
To permit movement around three axes so that motion can occur in three planes
To permit movement such as hinging
to permit movement such as pivoting
to permit movement of the hyoid bone
WHat is the function of articular cartilage?
To produce synovial fluid
to heal micro injuries of the joint
to retain water
Distribute load and minimize friction
What makes up more than 70% of articular cartilage?
Collagen
elastin
osteon units
water
What does articular cartilage lack?
lymph channels
nerves
inorganic salts
blood vessels
What are the two main categories of joints?
Synarthroses
Biaxial
Diarthroses
Symphysis
