Question 1

Which of the following best defines an articulation in the human body?

Accepted Answer

A point where two or more bones meet, allowing movement and providing stability.

Question 2

Which functional classification of joints allows for the greatest range of movement? Give an example.

Accepted Answer

Diarthrosis; shoulder joint

Question 3

Which structural classification of joints is characterized by a joint cavity filled with synovial fluid?

Accepted Answer

Synovial joint

Question 4

Which accessory structure of a synovial joint reduces friction between a tendon and a bone?

Accepted Answer

Bursa

Question 5

Which of the following features contributes most to the stability of a synovial joint?

Accepted Answer

The strength and arrangement of the surrounding ligaments

Question 6

A patient presents with pain and swelling in the knee after a twisting injury. MRI reveals a tear in the fibrocartilage pad. What structure is most likely injured?

Accepted Answer

Meniscus

Question 7

Which movement is described as decreasing the angle between two bones, such as bending the elbow?

Accepted Answer

Flexion

Question 8

Which synovial joint type allows movement in multiple axes and planes, such as the hip joint?

Accepted Answer

Ball-and-socket joint

Question 9

Which of the following best explains how synovial joints tie the skeletal and muscular systems together?

Accepted Answer

Skeletal muscles attach to bones via tendons and move bones at synovial joints when they contract.

Question 10

Which of the following is a correct pairing of a structural joint type and a specific example?

Accepted Answer

Fibrous joint – suture of the skull

Question 11

A football player suffers a lateral blow to the knee, resulting in a torn ligament. Which accessory structure is most likely injured?

Accepted Answer

Collateral ligament

Question 12

Which movement occurs when you move your arm away from the midline of the body?

Accepted Answer

Abduction

Question 13

Which joint homeostatic imbalance is characterized by inflammation of the fluid-filled sac that reduces friction in a joint?

Accepted Answer

Bursitis

Question 14

Which of the following best describes the difference between arthroscopic and arthroplastic surgery?

Accepted Answer

Arthroscopic surgery uses a small camera to diagnose and treat joint problems, while arthroplastic surgery replaces a damaged joint.

Question 15

Which type of synovial joint allows only uniaxial movement, such as flexion and extension, and is exemplified by the elbow?

Accepted Answer

Hinge joint

Question 16

A patient is diagnosed with arthritis. Which of the following best describes this condition?

Accepted Answer

Inflammation of the joint, often resulting in pain and decreased mobility

Question 17

Which movement is performed when turning the palm of the hand from facing up to facing down?

Accepted Answer

Pronation

Question 18

Which of the following is a cartilaginous joint that allows slight movement and is found between the vertebrae?

Accepted Answer

Symphysis

Question 19

Which of the following is NOT a feature of a typical synovial joint?

Accepted Answer

Presence of a periosteum

Question 20

Which movement is described as moving a limb in a circular motion, such as drawing a circle with your arm?

Accepted Answer

Circumduction

Study Guide: LO ch8

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