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Unit 3 Chapter 9
Joints
| Question | Answer |
|---|---|
| A point where two bones meet is called a(n) | Joint |
| A bony, immovable joint is called a(n) | Synostosis |
| What holds the bones together in a fibrous joint? | Collagen fibers |
| Synchondroses and symphyses are types of what kind of joint? | Cartilaginous |
| __________ joints are highly movable joints held together by a synovial capsule. | Synovial |
| __________ joints are bound together by fibrous connective tissue. | Fibrous |
| ___________ joints are joints formed by bones fused together. | Bony |
| Which joint type is most likely to develop dysfunction due to its complexity? Multiple choice question. Synovial Cartilaginous Sutures | Synovial |
| What is a joint or an articulation? | A point where two bones meet |
| In synovial joints, the surfaces of the two bones are covered with a layer of hyaline cartilage, called the __________ cartilage. | Articular |
| Which of the following is produced by embryonic bones fusing seamlessly into one adult bone? Multiple choice question. Synostosis Synarthrosis Synchondrosis Syndesmosis | Synostosis |
| What is another term for a fibrous joint? | Synarthrosis |
| Within a musculoskeletal lever system, what is the fulcrum? Multiple choice question. Bones Joints Muscles | Joints |
| Choose all the types of cartilaginous joints. Multiple select question. Symphyses Syndesmoses Sutures Synchondroses Gomphoses | Symphyses Synchondroses |
| A lubricating fluid that reduces friction between the bones is found in __________ joints. | synovial |
| Moving the arm behind the frontal plane of the trunk is an example of what type of movement? | Hyperextension |
| Which two bones form the jaw joint? | Temporal bone and mandible |
| A synostosis is also called what type of joint? | Bony joint |
| What is the anatomical name for the shoulder joint? | Glenohumeral joint |
| Within the skeletal anatomy, what supplies the effort? Multiple choice question. Muscle contraction The resistance arm The effort arm | Muscle contraction |
| The ___________ arm is the bone to which the effort is applied, not the structure applying the effort. | effort |
| What holds the bone ends of an amphiarthrodial joint together? | Cartilage |
| Which joint is comprised of the humeroulnar and humeroradial joints? | Elbow |
| A joint that is extended beyond zero position is said to be what? | Hyperextended |
| Which two bones articulate to form the jaw joint? | Mandible Temporal |
| What factors allow the shoulder to have a wide range of motion? -Depth of the joint and tight ligaments surrounding the joint -Loose joint capsule and shallow joint cavity -Tight ligaments and tendons surrounding the joint | Loose joint capsule and shallow joint cavity |
| Where is the coxal joint located? | Hip |
| In a musculoskeletal lever system, what force does the muscle contraction provide? | Effort |
| The patellofemoral joint is an example of which class of synovial joint? | Gliding ;The joint between the patella and the femur involves two relatively flat surfaces, forming a gliding (plane) joint. |
| What are the two articulations of the elbow joint? | Humeroulnar Humeroradial |
| Dislocations are often accompanied by what other disorder? | Sprains |
| Extending a joint beyond the zero position is always an abnormal movement. True False | False ; Hyperextending the wrist is a normal movement although hyper extending the knee would be abnormal. |
| Which two bones form the jaw joint? | Temporal bone and mandible |
| What is another name for the hip joint? | Coxal joint |
| The patella articulates with the femur. True False | True ;The patella articulates with the femur at the patellofemoral joint. |
| The displacement of a bone from its normal position is called a | joint dislocation |
| What is the separation of articular surfaces at a joint called? | Dislocation |
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