Q: Which of the following equations best represents the relationship between the number of axes of movement ($$n) $$and the number of planes a synovial joint can move in?

$$n = \text{number of planes}$$

Question 1

Which of the following best describes a synarthrosis joint?

Accepted Answer

An immovable joint, such as a suture in the skull

Question 2

A patient presents with pain and swelling in the knee after a fall. Imaging reveals a torn ligament but no bone displacement. Which type of joint injury is most likely?

Accepted Answer

Sprain

Question 3

Which structural joint classification is characterized by bones joined by fibrous tissue and lacking a joint cavity?

Accepted Answer

Fibrous

Question 4

Which of the following is an example of a synchondrosis?

Accepted Answer

Epiphyseal plate of a growing child

Question 5

A dentist is examining the joint between a tooth and its socket. What type of joint is this?

Accepted Answer

Gomphosis

Question 6

Which of the following best explains why synovial joints are the most abundant type of joint in the body?

Accepted Answer

They are freely movable and include all limb joints

Question 7

Which of the following structures is responsible for reducing friction where tendons cross joints?

Accepted Answer

Bursa

Question 8

A football player suffers a partial tear of the anterior cruciate ligament (ACL). Why is healing slow in this case?

Accepted Answer

Ligaments have a poor blood supply

Question 9

Which of the following best describes the movement allowed by a hinge joint?

Accepted Answer

Flexion and extension in one plane

Question 10

A patient with chronic joint pain, swelling, and the presence of uric acid crystals in the synovial fluid is most likely suffering from which condition?

Accepted Answer

Gouty arthritis

Question 11

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

Accepted Answer

Muscle tone

Question 12

Which type of synovial joint allows for the widest range of motion?

Accepted Answer

Ball-and-socket joint

Question 13

A 45-year-old woman presents with joint tenderness, anemia, and muscle atrophy. Laboratory tests reveal autoimmune markers. Which type of arthritis is most likely?

Accepted Answer

Rheumatoid arthritis

Question 14

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

Accepted Answer

Reduces friction between articular cartilages

Question 15

Which of the following equations best represents the relationship between the number of axes of movement ($$n) $$and the number of planes a synovial joint can move in?

Accepted Answer

$$n = 	ext{number of planes}$$

Question 16

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

Accepted Answer

Saddle joint – thumb carpometacarpal

Question 17

A patient is diagnosed with bursitis in the knee. Which of the following is the most likely cause?

Accepted Answer

Inflammation due to repetitive friction or trauma

Question 18

Which of the following statements about osteoarthritis (OA) is TRUE?

Accepted Answer

OA is a degenerative joint disease associated with aging and 'wear-and-tear'

Question 19

Which of the following best explains why cartilage tears in joints rarely heal on their own?

Accepted Answer

Cartilage is avascular and lacks direct blood supply

Question 20

A gymnast experiences a partial dislocation of the shoulder joint. What is the correct term for this injury?

Accepted Answer

Subluxation

Chapter 8: Joints (Articulations) – Structure, Classification, and Function

Guida di studio - Domande di pratica

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