Chapter 9 Lecture Quiz

What is a gomphosis fibrous joint, and where in the body are they found?

• joint is held together with very short interconnecting fibers; found between skull bones

• peg-in-socket fibrous joint; found between skull bones

• joint is held together by ligaments of varying length; distal tibiofibular joint

• peg-in-socket fibrous joint; periodontal ligament that holds a tooth in socket

• joint is held together with very short interconnecting fibers; periodontal ligament that holds a tooth in socket

What type of cartilage is in a synchondrosis joint, and what's an example of this type of joint?

• hyaline, epiphyseal plates of long bones

• fibrocartilage, epiphyseal plates of long bones

• fibrocartilage, intervertebral discs

• hyaline, intervertebral discs

• elastic, epiphyseal plates of long bones

What’re the functions of the fibrous layer and the synovial membrane, which together form the two-layered articular capsule of synovial joints?

• the fibrous layer strengthens the joint; the synovial membrane produces synovial fluid

• the fibrous layer produces synovial fluid; the synovial membrane strengthens the joint

• the fibrous layer strengthens the joint; the synovial membrane thickens into reinforcing ligaments

• the fibrous layer produces synovial fluid; the synovial membrane thickens into reinforcing ligaments

• none of the above

In the “Arthur’s Big Hit” episode of the children’s TV show Arthur, the titular character punches his younger sister for breaking his model airplane. This gave birth to the iconic “Arthur clenched fist” meme. What type of movement did Arthur perform when he moved his fingers to clench his fist?

• angular movement – extension

• gliding movement

• angular movement – flexion

• medial rotation

• circumduction

What type of synovial joint is the proximal radioulnar joint?

• plane joint

• pivot joint

• hinge joint

• condylar joint

• ball-and-socket joint