Which of the following is not a factor that contributes to keeping the articular surfaces of diarthroses in contact?

Which of the following is not a factor that contributes to keeping the articular surfaces of diarthroses in contact?

A) structure and shape of the articulating bone
B) arrangement and tension of the muscles
C) strength and tension of joint ligaments
D) number of bones in the joint

Answer: D

Which of the following is not a part of the synovial joint?

Which of the following is not a part of the synovial joint?

A) joint cavity
B) tendon sheath
C) articular cartilage
D) articular capsule

Answer: B

Tendon sheaths ________.

Tendon sheaths ________.

A) act as friction-reducing structures
B) are lined with dense irregular connective tissue
C) form channels for tendons
D) help anchor the tendon to the muscle

Answer: A

Saddle joints have concave and convex surfaces. Name the two bones of the hand that articulate to form a saddle joint.

Saddle joints have concave and convex surfaces. Name the two bones of the hand that articulate to form a saddle joint.

A) The scaphoid of the index finger and the triquetrum of the middle finger.
B) The trapezium of the ring finger and the capitate of the fourth finger.
C) The scaphoid of the middle finger and lunate of the index finger.
D) The trapezium of the carpal bone and the thumb's metacarpal.

Answer: D

Which of the following statements best describes angular movements?

Which of the following statements best describes angular movements?

A) They allow movement only in one plane.
B) They allow movement in several planes.
C) They occur only between bones with flat articular processes.
D) They change (increase or decrease) the angle between two bones.

Answer: D

An example of an intraosseous fibrous joint is ________.

An example of an intraosseous fibrous joint is ________.

A) the clavicle and the scapula at the distal ends
B) the radius and ulna along its length
C) between the vertebrae
D) between the humerus and the glenoid cavity

Answer: B