Q: Which of the following equations best represents the relationship between range of motion (ROM) and the number of axes a synovial joint can move around?

$$\text{ROM} \propto \text{Number of axes}$$

Question 1

Which of the following best describes a synarthrosis joint?

Accepted Answer

A joint that allows no movement between articulating bones

Question 2

Which structural feature is unique to synovial joints and is responsible for reducing friction and distributing nutrients?

Accepted Answer

Synovial fluid

Question 3

A child presents with swelling and pain over the distal forearm after a fall. X-rays reveal a fracture at the epiphyseal plate. What is the most significant long-term risk if this injury is not properly managed?

Accepted Answer

Differences in limb length and early-onset arthritis

Question 4

Which of the following joints is classified as a synchondrosis?

Accepted Answer

First sternocostal joint

Question 5

A patient is diagnosed with bursitis in the shoulder. Which structure is primarily inflamed?

Accepted Answer

A synovial fluid-filled fibrous structure

Question 6

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

Accepted Answer

Ball-and-socket joint

Question 7

During a soccer game, an athlete receives a lateral blow to the knee, resulting in the 'unhappy triad' injury. Which structures are most likely damaged?

Accepted Answer

Tibial collateral ligament, medial meniscus, anterior cruciate ligament

Question 8

Which movement describes the action of moving the thumb across the palm to touch the tips of the other fingers?

Accepted Answer

Opposition

Question 9

What is the primary function of the glenoid labrum in the shoulder joint?

Accepted Answer

To increase the depth of the glenoid cavity and provide stability

Question 10

Which of the following best explains why articular cartilage is avascular?

Accepted Answer

It is isolated within the joint capsule and relies on synovial fluid for nutrient exchange

Question 11

A patient with rheumatoid arthritis is experiencing joint pain and destruction. What is the underlying cause of this condition?

Accepted Answer

Immune system attacking the joint

Question 12

Which of the following movements increases the angle between articulating bones at a joint?

Accepted Answer

Extension

Question 13

Which ligament is responsible for stabilizing the lateral side of the elbow joint?

Accepted Answer

Radial collateral ligament

Question 14

A patient is unable to perform dorsiflexion at the ankle. Which movement is impaired?

Accepted Answer

Decreasing the angle between the foot and the leg

Question 15

Which of the following best describes a syndesmosis joint?

Accepted Answer

A joint between the tibia and fibula joined by an interosseous membrane

Question 16

Which of the following equations best represents the relationship between range of motion (ROM) and the number of axes a synovial joint can move around?

Accepted Answer

$$	ext{ROM} \propto 	ext{Number of axes}$$

Question 17

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

Accepted Answer

Atlantoaxial joint (between C1 and C2 vertebrae)

Question 18

A patient is unable to perform abduction at the shoulder. Which movement is impaired?

Accepted Answer

Moving the arm away from the midline of the body

Question 19

Which of the following best explains why the hip joint is more stable but less mobile than the shoulder joint?

Accepted Answer

The hip joint has a deeper socket and stronger ligaments

Question 20

Which of the following is the correct sequence of events in the treatment of a severe knee injury involving the 'unhappy triad'?

Accepted Answer

Rest, ice, compression, anti-inflammatory medications, surgical repair, physical therapy

Articulations: Structure and Function of Joints

스터디 가이드 - 연습 문제

학습 가이드 - 플래시카드