12. Synovial joints do NOT a) Include a cavity b) Are freely moveable c) Have bo
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Question
12. Synovial joints do NOT a) Include a cavity b) Are freely moveable c) Have bones covered in hyaline cartilage d) include elastic cartilage e) have ligaments 13. Which of the following is made from dense regular connective tissue? a) Ligaments b) Fibrous capsule of articular cartilage c) Articular fat pads d) Synovial membrane e) Synovial fluid 14. Examples of these include the fibular and tibial collateral ligaments of the knee joint. a) Synovial membranes b) Articular fat pads c) Menisci d) Extracapsular ligaments e) Tendon sheath 15. Another term for menisci are a) Articular fat pads b) Articular discs c) Articular spaces d) Capsular fat pads e) Capsular discs 16. Articular discs a) A. Maintain the stability of a joint b) B. Direct flow of the synovial fluid c) C. Are made of hyaline cartilage d) D. Are only found in the vertebral column e) Both a and b 17. This is used to reduce friction in joints. a) A. Bursae b) B. Synovial fluid c) C. Accessory ligaments d) D. Elastic fibers e) Both a and bExplanation / Answer
12) d. Include elastic cartilage
Synovial joints are freely movable joints, containing bones covered with articular cartilage also know as hyaline cartilage, and are attached by ligaments.
13) a. Ligaments.
Dense regular connective tissue is found in ligaments ( which link bone to bone at joints) and tendons ( connection between bones or cartilage and muscle).
14) d. Extracapsular ligaments.
The fibular and tibial collateral ligaments are called as extracapsular ligaments because they lie outside the knee joint capsule. Together these ligaments control the adductadd and extension of leg at knee joint.
15) b. Articular discs
Menisci is a piece of cartilage that provides a cushion between femur and tibia.
There are two menisci in knee joint lateral menisci and medial menisci.
16) e. Both a and b.
Articular disc is a thin oval plate of fibrocartilage that separates the synovial cavity.
It increases the stability the joint and aids in directing the flow of synovial fluid to areas of articular cartilage the experience the most friction.
17) e. Both a and b
A bursa is a small sac lined by synovial membrane and filled with synovial fluid. They are placed at key points of friction in a joint.
Synovial fluid is also called as synovia, a viscous, non- Newtonian fluid found in synovial cavities. It's principal rule is to reduce the friction between articular cartilage of synovial joimts during movement.
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