Biomechanics - Possible Test Q's - Chap 5 Flashcards
Which of the following is not associated with synartthrodial joints?
A. typically weak
B. fibrous
C. immovable
D. sutures of the skull
typically weak is not associated with synarthrodial joints
Which of the following is an example of a hinge joint?
A. hip
B. carpals
C. elbow
D. base of thumb
the elbow is an example of a hinge joint
The knee is an example of which type of joint?
A. fibrous
B. synarthroses
C. synovial
D. amphiarthorses
the knee is an example of a synovial joint
Which of the following are functions of articular cartilage?
A. minimize friction and wear at the joint
B. protect against joint dislocation
C. both A and B
D. neither A nor B
minimize friction and wear at the joint, protect against joint dislocation are functions of the articular cartilage
Which of the following are examples of fibrocartilage?
A. the intervertebral discs
B. the menisci of the knee
C. both A and B
D. none of these
the intevertebral discs and the menisci of the knee are examples of fibrocartilage
Which of the following is/are true regarding amphiarthodial joints?
A. hyaline cartilage holds the bones together
B. they are slightly moveable
C. both A and B
D. neither A nor B
Hyaline cartilage holds the bones together, and they are slightly moveable
Which of the following are characteristics of diarthoridal joints?
A. articulating bone surfaces are covered with articular cartilage
B. an articular capsule surrounds the joint
C. they are lubricated with synovial fluid
D. all of the above
articulating bone surfaces are covered with articular cartilage, an articular capsule surrounds the joint, and they are lubricated by synovial fluid are all characteristics of diarthrodial joints
Which connective tissue attaches muscle to bone?
A. ligaments
B. tendons
C. both A and B
D. none of the above
tendons are the connective tissue that attaches muscle to bone
The ability of a joint to resist abnormal displacement defines what?
A. joint stability
B. joint flexibility
C. loose-packed position
D. none of the above
joint stability defines the ability of a joint to resist abnormal displacement
Joint stability is affected by which of the following? A. shape of the articulating bones B. arrangement and size of the ligaments C. area of contact between the bones D. all of the above
shape of the articulating bones, arrangement and size of the ligaments, area of contact between the bones all affect joint stability
Which of the following statements is/are true?
A. the hip is more stable than the shoulder
B. the shoulder has more range of motion than the hip
C. both A and B
D. none of the above
the hip is more stable than the shoulder and the shoulder has more range of motion than the hip
What is the result when a ligament is stretched beyond its elastic limit?
A. a sprain occurs
B. joint stability may be temporarily compromised
C. joint stability may be permanently compromised
D. both A and B
E. all of the above
when a ligament is stretched beyond its elastic limit a sprain occurs and joint stability may be temporarily compromised
Which statements is/are true?
A. when muscles are fatigued, ligaments are at a greater risk of injury
B. when ligaments are fatigued, muscles are at a greater risk of injury
C. both A and B
D. neither A nor B
When ligaments are fatigued, muscles are at a greater risk of injury
Range of motion at a joint is influenced by which of the following?
A. shape of the articulating surfaces
B. relative laxity and extensibility of the muscles crossing the joint
C. fluid content of the cartilage within the joint
D. both A and B
E. all of the above
range of motion at a joint is influenced by the shape of the articulating surfaces, relative laxity and extensibility of the muscles crossing the joint, the fluid content of the cartilage within the joint
_____ connect bone to bone and ____ connect muscle to bone
ligaments: tendons
