Question 1

A patient presents with pain, swelling, and stiffness in multiple joints, as shown in the first image. Which of the following is the most likely diagnosis, and what is a common underlying cause?

Accepted Answer

Rheumatoid arthritis; autoimmune inflammation

Question 2

Refer to the second image. Which type of joint is illustrated, and what is the main tissue uniting the bones?

Accepted Answer

Synchondrosis; hyaline cartilage

Question 3

Based on the third image, which of the following statements about synovial joints is correct?

Accepted Answer

The synovial membrane secretes synovial fluid, which lubricates and nourishes the joint

Question 4

Which of the following best describes the function of a bursa, as shown in the sixth and seventh images?

Accepted Answer

A bursa is a fluid-filled sac that reduces friction between moving structures

Question 5

A patient has difficulty performing the movement shown in the eighth image. Which type of synovial joint and movement is primarily involved?

Accepted Answer

Plane joint; gliding movement

Question 6

Refer to the ninth and tenth images. Which movement is described as increasing the angle between two bones, and in which plane does it typically occur?

Accepted Answer

Extension; sagittal plane

Question 7

Which movement, shown in the eleventh image, involves moving a limb away from the body's midline?

Accepted Answer

Abduction

Question 8

A baseball pitcher rotates their arm as shown in the twelfth image. What is the anatomical term for turning a bone around its own long axis?

Accepted Answer

Rotation

Question 9

Which movement is demonstrated in the thirteenth image, and which bones are involved?

Accepted Answer

Pronation; radius and ulna

Question 10

A patient is unable to touch the tip of their thumb to the tips of their other fingers, as shown in the fourteenth image. Which movement and joint are primarily affected?

Accepted Answer

Opposition; saddle joint

Question 11

Which movement, shown in the fifteenth image, involves moving the superior surface of the foot toward the shin?

Accepted Answer

Dorsiflexion

Question 12

A soccer player twists their ankle so that the sole of the foot faces medially, as shown in the sixteenth image. What is this movement called?

Accepted Answer

Inversion

Question 13

Which movement is demonstrated in the seventeenth image, and what is its functional significance?

Accepted Answer

Elevation; closing the mouth

Question 14

A patient is unable to move their mandible forward as shown in the eighteenth image. Which movement is impaired?

Accepted Answer

Protraction

Question 15

Which type of synovial joint, shown in the nineteenth image, allows for nonaxial gliding movements and is found between the carpal bones?

Accepted Answer

Plane joint

Question 16

Refer to the twentieth image. Which joint type allows for uniaxial movement such as flexion and extension, and what is a real-life example?

Accepted Answer

Hinge joint; elbow

Question 17

Which synovial joint type, shown in the twenty-first image, allows for biaxial movement and is found in the metacarpophalangeal (knuckle) joints?

Accepted Answer

Condylar joint

Question 18

The twenty-second image shows a joint that allows for both adduction/abduction and flexion/extension. Which joint is this, and where is it found?

Accepted Answer

Saddle joint; carpometacarpal joint of the thumb

Question 19

Which joint, shown in the twenty-third image, allows for multiaxial movement including rotation, and is found in the shoulder and hip?

Accepted Answer

Ball-and-socket joint

Question 20

A patient presents with jaw pain and difficulty opening their mouth after a blow to the face. Based on the twenty-fourth image, which joint is most likely affected and what is a common clinical implication?

Accepted Answer

Temporomandibular joint; dislocation

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

Guida di studio - Domande di pratica

Study guide - Flashcard