$$\text{Mobility} \propto \frac{1}{\text{Stability}}$$

Question 1

Which of the following best describes a synarthrosis joint?

Accepted Answer

A joint with no movement between bones

Question 2

Which structural classification of joints is characterized by dense regular collagenous connective tissue?

Accepted Answer

Fibrous joints

Question 3

The interosseous ligament between the radius and ulna is an example of which type of fibrous joint?

Accepted Answer

Syndesmosis

Question 4

Which of the following is a cartilaginous joint held together by fibrocartilage?

Accepted Answer

Pubic symphysis

Question 5

Which structural element of synovial joints is responsible for secreting synovial fluid?

Accepted Answer

Synovial membrane (inner layer)

Question 6

What is the primary function of articular cartilage in synovial joints?

Accepted Answer

To reduce friction between articulating surfaces

Question 7

Which of the following statements about joint stability is correct?

Accepted Answer

More mobility equals less stability

Question 8

A patient presents with inflammation of a bursa after repetitive movements. What is the most likely diagnosis?

Accepted Answer

Bursitis

Question 9

Which type of arthritis is caused by uric acid crystal deposits in joints?

Accepted Answer

Gouty arthritis

Question 10

Which synovial joint type allows motion around three axes and is exemplified by the shoulder joint?

Accepted Answer

Ball-and-socket joint

Question 11

Which movement at a synovial joint involves decreasing the angle between articulating bones?

Accepted Answer

Flexion

Question 12

The carpometacarpal joint of the thumb is an example of which type of synovial joint?

Accepted Answer

Saddle joint

Question 13

Which ligament prevents the tibia from shifting too far laterally on the femur in the knee joint?

Accepted Answer

Tibial collateral ligament

Question 14

Which structural element of the hip joint provides a pathway for small blood vessels to the head of the femur?

Accepted Answer

Ligament of head of femur

Question 15

Which of the following equations best represents the relationship between joint mobility and stability?

Accepted Answer

$$	ext{Mobility} \propto \frac{1}{	ext{Stability}}$$

Question 16

A patient with rheumatoid arthritis is experiencing joint destruction. Which mechanism is primarily responsible?

Accepted Answer

Immune system attacking joint tissues

Question 17

Which synovial joint type is least mobile and is found between flat surfaces of two bones?

Accepted Answer

Plane joint

Question 18

Which of the following movements is unique to the thumb?

Accepted Answer

Opposition

Question 19

Which ligament supports the lateral side of the elbow joint?

Accepted Answer

Radial collateral ligament

Question 20

Which of the following best describes the function of synovial fluid?

Accepted Answer

Lubricates, absorbs shock, and transports nutrients and waste products

Articulations: Structure, Classification, and Function of Joints

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