Question 1

Which of the following joint types is correctly matched with its structural classification and example?

Accepted Answer

Cartilaginous joint – amphiarthrosis – intervertebral disc

Question 2

A child presents with limited movement in the vertebral column due to a disorder affecting the intervertebral discs. Which type of joint and movement is most likely impaired?

Accepted Answer

Cartilaginous joint; slight movement (amphiarthrosis)

Question 3

Which of the following best describes the function of synovial fluid in a synovial joint?

Accepted Answer

Lubricates the joint to reduce friction between articular surfaces

Question 4

A dentist is examining the joint between the maxilla and mandible. Which type of fibrous joint is this, and what is its main feature?

Accepted Answer

Gomphosis; peg-in-socket connection

Question 5

Which movement is described as moving the mandible forward, and which anatomical term is used for this action?

Accepted Answer

Protraction

Question 6

A soccer player stands on their tiptoes to reach a ball. Which movement and joint type are primarily involved?

Accepted Answer

Plantar flexion; hinge joint

Question 7

Which equation correctly represents the relationship between the range of motion ($$ROM) $$and the structure of a synovial joint?

Accepted Answer

$$ROM \propto Joint\ Cavity\ Size$$

Question 8

Which of the following is NOT a characteristic of a typical synovial joint?

Accepted Answer

Direct bone-to-bone contact without cartilage

Question 9

A patient is unable to move their thumb to touch their fingertips. Which movement is impaired?

Accepted Answer

Opposition

Question 10

Which type of synovial joint allows movement in multiple axes and planes, such as the shoulder joint?

Accepted Answer

Ball and socket joint

Question 11

Which of the following best describes the difference between origin and insertion of a muscle?

Accepted Answer

Origin is attached to the stationary bone; insertion moves during muscle contraction

Question 12

Which movement decreases the angle between two bones at a joint, such as bending the elbow?

Accepted Answer

Flexion

Question 13

Which type of cartilaginous joint is found between the bodies of vertebrae and what is its main structural feature?

Accepted Answer

Symphysis; fibrocartilage

Question 14

A patient with arthritis has reduced synovial fluid in their knee joint. What is the most likely consequence?

Accepted Answer

Increased friction and decreased joint mobility

Question 15

Which of the following movements is described as moving a body part away from the midline?

Accepted Answer

Abduction

Question 16

Which joint type is classified as a synarthrosis and is immovable?

Accepted Answer

Suture (frontal bone)

Question 17

Which of the following is a correct example of a pivot joint?

Accepted Answer

Atlantoaxial joint (between C1 and C2 vertebrae)

Question 18

Which structure connects muscle to bone and is essential for joint movement?

Accepted Answer

Tendon

Question 19

Which equation best represents the force ($$F) $$generated by a muscle acting across a joint, given the lever arm ($$r) $$and muscle tension ($$T$$)?

Accepted Answer

$$F = T 	imes r$$

Question 20

Which of the following synovial joint types allows only gliding movements and is found between the carpal bones of the wrist?

Accepted Answer

Plane joint

chapter 8 articulation

Guida di studio - Domande di pratica

Study guide - Flashcard