Question 1

Which of the following best describes a suture joint, as shown in the first image?

Accepted Answer

A joint held together by very short, interconnecting fibers and bone edges interlock; found only in the skull.

Question 2

Which type of fibrous joint allows for the most movement, and what is a real-life example?

Accepted Answer

Syndesmosis; the interosseous membrane between the radius and ulna.

Question 3

Which of the following statements about gomphoses is correct?

Accepted Answer

They are peg-in-socket fibrous joints, such as the connection between a tooth and its socket.

Question 4

Which of the following is an example of a synchondrosis joint?

Accepted Answer

The joint between the first rib and the manubrium of the sternum.

Question 5

Which of the following joints is classified as a symphysis?

Accepted Answer

The pubic symphysis.

Question 6

Which structural feature is unique to synovial joints, as shown in the sixth image?

Accepted Answer

A fluid-filled joint cavity containing synovial fluid.

Question 7

What is the primary function of bursae, as illustrated in the seventh and eighth images?

Accepted Answer

To reduce friction where ligaments, muscles, skin, tendons, or bones rub together.

Question 8

Which type of synovial joint allows only nonaxial, gliding movements, as shown in the ninth and tenth images?

Accepted Answer

Plane joint.

Question 9

Which movement is demonstrated by the wrist in the tenth image?

Accepted Answer

Gliding movement.

Question 10

Which of the following best describes the movement at a hinge joint, as shown in the fourteenth image?

Accepted Answer

Uniaxial movement: flexion and extension.

Question 11

A patient presents with pain and swelling in the knee after a lateral blow to the extended knee. Which structures are most likely injured, based on the 'unhappy triad'?

Accepted Answer

Anterior cruciate ligament, tibial collateral ligament, and medial meniscus.

Question 12

Which of the following is the most important factor in stabilizing synovial joints?

Accepted Answer

Muscle tone keeping tendons taut as they cross joints.

Question 13

Which movement is described as moving a limb away from the midline of the body, as shown in the fifteenth image?

Accepted Answer

Abduction.

Question 14

Which type of synovial joint allows for multiaxial movement, including flexion, extension, abduction, adduction, and rotation?

Accepted Answer

Ball-and-socket joint.

Question 15

A patient is unable to perform opposition with their thumb. Which joint is most likely affected?

Accepted Answer

Saddle joint at the carpometacarpal joint of the thumb.

Question 16

Which of the following best describes the difference between bursae and tendon sheaths?

Accepted Answer

Bursae are sacs of synovial fluid that reduce friction between structures, while tendon sheaths are elongated bursae that wrap around tendons.

Question 17

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

Accepted Answer

Pivot joint – proximal radioulnar joint.

Question 18

A patient with rheumatoid arthritis is most likely to experience which of the following?

Accepted Answer

Chronic, inflammatory, autoimmune disease affecting synovial joints.

Question 19

Which of the following movements is unique to the temporomandibular joint (TMJ)?

Accepted Answer

Lateral excursion (side-to-side grinding of teeth).

Question 20

Which ligament in the knee joint prevents forward sliding of the tibia and stops hyperextension?

Accepted Answer

Anterior cruciate ligament (ACL).

Chapter 8: Joints – Structure, Function, and Clinical Relevance

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