Question 1

Which of the following best describes a synarthrosis joint?

Accepted Answer

An immovable joint

Question 2

A patient presents with limited movement in the sutures of the skull. What type of joint is primarily involved?

Accepted Answer

Fibrous joint

Question 3

Which structural classification of joints is characterized by bones joined by dense fibrous connective tissue and no joint cavity?

Accepted Answer

Fibrous joints

Question 4

Which of the following is NOT a type of fibrous joint?

Accepted Answer

Symphysis

Question 5

Cartilaginous joints are united by cartilage and are generally not highly movable. Which of the following is a type of cartilaginous joint?

Accepted Answer

Symphysis

Question 6

Which feature is unique to synovial joints compared to fibrous and cartilaginous joints?

Accepted Answer

Presence of a fluid-filled joint cavity

Question 7

The articular cartilage in a synovial joint serves which primary function?

Accepted Answer

Covers the ends of bones to reduce friction and absorb shock

Question 8

Which of the following structures produces synovial fluid in a synovial joint?

Accepted Answer

Synovial membrane

Question 9

A patient suffers from inflammation of the bursae in the shoulder. What is the most likely consequence?

Accepted Answer

Pain and restricted movement due to increased friction

Question 10

Which factor is most important in maintaining the stability of the knee joint?

Accepted Answer

Muscle tone of surrounding muscles

Question 11

Which type of movement is allowed by a uniaxial synovial joint?

Accepted Answer

Movement in one plane

Question 12

Which of the following best describes a gliding movement at a synovial joint?

Accepted Answer

One flat bone surface slides or slips over another

Question 13

During a physical exam, a patient demonstrates abduction of the arm. Which movement is occurring?

Accepted Answer

Movement of the arm away from the midline

Question 14

Which special movement describes turning the sole of the foot medially?

Accepted Answer

Inversion

Question 15

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

Accepted Answer

Ball-and-socket joint

Question 16

A patient is unable to perform opposition with their thumb. Which joint type is most likely affected?

Accepted Answer

Saddle joint

Question 17

Which equation best represents the relationship between joint stability ($$S$$), muscle tone ($$M$$), and shape of articular surfaces ($$A) in $$synovial joints?

Accepted Answer

$$S = f(M, A)$$

Question 18

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

Accepted Answer

Flexion

Question 19

A dentist is concerned about the stability of the gomphosis joint. Which bones are involved in this joint?

Accepted Answer

Teeth and alveolar sockets

Question 20

Which of the following is a biaxial synovial joint?

Accepted Answer

Saddle joint

Joints: Structure, Classification, and Movements

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