Question 1

Which of the following best describes a fibrous joint?

Accepted Answer

Bones joined by dense fibrous connective tissue with no joint cavity

Question 2

Which type of fibrous joint is found exclusively in the skull?

Accepted Answer

Suture

Question 3

A patient presents with a tooth infection. Which type of joint is directly affected?

Accepted Answer

Gomphosis

Question 4

Which of the following is a cartilaginous joint united by hyaline cartilage?

Accepted Answer

Synchondrosis

Question 5

Which joint type allows the greatest range of motion?

Accepted Answer

Ball-and-socket joint

Question 6

The shoulder (glenohumeral) joint sacrifices stability for mobility. Which structure contributes most to its stability?

Accepted Answer

Reinforcing muscle tendons, especially the rotator cuff

Question 7

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

Accepted Answer

Anterior cruciate ligament (ACL)

Question 8

A football player suffers a shoulder dislocation after being tackled. Which anatomical feature makes this injury more likely?

Accepted Answer

Thin and loose articular capsule

Question 9

Which movement describes turning the sole of the foot medially?

Accepted Answer

Inversion

Question 10

Which joint is classified as a plane joint and allows gliding motion during flexion?

Accepted Answer

Femoropatellar joint

Question 11

Which equation best represents the relationship between joint stability ($$S) $$and mobility ($$M) in $$synovial joints?

Accepted Answer

$$S \propto \frac{1}{M}$$

Question 12

Which of the following is NOT a function of synovial fluid?

Accepted Answer

Strengthens the joint capsule

Question 13

A patient cannot flex or extend their elbow but can rotate their forearm. Which structure is most likely damaged?

Accepted Answer

Trochlear notch of ulna

Question 14

Which special movement brings the thumb to touch the tips of the other fingers?

Accepted Answer

Opposition

Question 15

Which ligament is slack during most hip movements and contains an artery supplying the head of the femur?

Accepted Answer

Ligamentum teres

Question 16

Which joint type is most likely to be affected by osteoarthritis due to its high mobility and weight-bearing function?

Accepted Answer

Knee joint (tibiofemoral)

Question 17

Which of the following movements increases the angle between two bones, usually in the sagittal plane?

Accepted Answer

Extension

Question 18

Which structure is responsible for supplying filtrate for synovial fluid in synovial joints?

Accepted Answer

Capillary beds

Question 19

Which of the following is a hinge joint allowing only flexion and extension?

Accepted Answer

Elbow joint

Question 20

Which equation describes the total number of bursae ($$B) $$associated with the knee joint if there are at least 12?

Accepted Answer

$$B \geq 12$$

LECTURE: Chap 8 Joints

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