Question 1

Which of the following best describes a synarthrotic joint?

Accepted Answer

A joint that does not allow any movement between bones

Question 2

Which type of joint is formed by bones joined together by fibrous collagen and is typically immovable?

Accepted Answer

Fibrous joint

Question 3

A patient presents with swelling and redness around the gums, and X-rays show bone loss around the teeth. Which joint type is affected and what is the likely diagnosis?

Accepted Answer

Gomphosis; Periodontal disease

Question 4

Which equation best represents the relationship between joint stability ($$S$$), surface area of contact ($$A$$), and ligament strength ($$L$$)?

Accepted Answer

$$S = A 	imes L$$

Question 5

Which of the following movements is possible at a hinge joint?

Accepted Answer

Flexion and extension

Question 6

A hockey player suffers a lateral blow to the knee, resulting in injury to the medial meniscus, anterior cruciate ligament, and medial collateral ligament. This injury is commonly referred to as:

Accepted Answer

The unhappy triad

Question 7

Which structure provides cushioning between tendons and bones, reducing friction during movement?

Accepted Answer

Bursa

Question 8

Which joint type allows the greatest range of motion?

Accepted Answer

Ball-and-socket joint

Question 9

Which of the following is a real-life example of a saddle joint?

Accepted Answer

Thumb (carpometacarpal joint)

Question 10

A patient is unable to rotate their forearm so that the palm faces upward. Which movement is impaired?

Accepted Answer

Supination

Question 11

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

Accepted Answer

Reduces friction between articulating surfaces

Question 12

Which joint movement increases the angle between two bones?

Accepted Answer

Extension

Question 13

Which of the following is NOT a characteristic of synovial joints?

Accepted Answer

Bones joined by hyaline cartilage only

Question 14

A patient with 'frozen shoulder' is diagnosed with capsulitis. Which structure is primarily affected?

Accepted Answer

Joint capsule

Question 15

Which movement describes lifting the medial border of the foot so the sole faces inward?

Accepted Answer

Inversion

Question 16

Which of the following is a multi-step process that can lead to periodontal disease?

Accepted Answer

Plaque accumulation, tartar formation, gum inflammation, bone loss

Question 17

Which equation correctly represents the calculation of the total number of axes of movement ($$N) $$for a ball-and-socket joint?

Accepted Answer

$$N = 3$$

Question 18

Which joint movement occurs when the mandible is moved forward?

Accepted Answer

Protraction

Question 19

Which of the following is a function of ligaments in synovial joints?

Accepted Answer

Provide stability by connecting bone to bone

Question 20

A patient with osteoarthritis of the knee is likely to experience which of the following changes in the joint?

Accepted Answer

Degeneration of articular cartilage

Joints (Articulations): Structure, Classification, and Movement

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