Q: Which of the following equations best represents the relationship between joint stability and the number of ligaments?

$$\text{Stability} \propto \text{Number of ligaments}$$

Question 1

Which of the following best describes a synarthrosis joint?

Accepted Answer

An immovable joint

Question 2

A patient presents with a sprained ankle. Which type of joint is most likely involved in this injury?

Accepted Answer

Synovial joint

Question 3

Which of the following is a correct structural classification of the joint between the teeth and the alveolar sockets?

Accepted Answer

Gomphosis

Question 4

Which of the following statements about synovial joints is TRUE?

Accepted Answer

They have a fluid-filled joint cavity

Question 5

A football player tears the interosseous membrane between the radius and ulna. Which type of fibrous joint is affected?

Accepted Answer

Syndesmosis

Question 6

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

Accepted Answer

It lubricates and nourishes articular cartilage

Question 7

Which of the following is an example of a synchondrosis?

Accepted Answer

Epiphyseal plate in a growing long bone

Question 8

Which factor plays the most significant role in stabilizing synovial joints?

Accepted Answer

Muscle tone

Question 9

A patient with arthritis has damage to the articular cartilage of their knee. What is the primary function of this cartilage?

Accepted Answer

To prevent crushing of bone ends

Question 10

Which of the following best describes a symphysis joint?

Accepted Answer

Bones united by fibrocartilage; slightly movable

Question 11

Which of the following is NOT a feature of synovial joints?

Accepted Answer

Fibrous connective tissue joining bones directly

Question 12

A dentist is examining the periodontal ligament. Which type of joint is she studying?

Accepted Answer

Gomphosis

Question 13

Which of the following scenarios best illustrates the function of a bursa?

Accepted Answer

A fluid-filled sac reducing friction between a tendon and a bone

Question 14

Which of the following joints is classified as amphiarthrotic?

Accepted Answer

Pubic symphysis

Question 15

A patient has a dislocated shoulder. Which factor most likely failed to stabilize the joint?

Accepted Answer

Muscle tone

Question 16

Which of the following best describes the difference between bursae and tendon sheaths?

Accepted Answer

Bursae are fluid-filled sacs that reduce friction, while tendon sheaths are elongated bursae that wrap around tendons

Question 17

Which of the following is a correct example of a syndesmosis?

Accepted Answer

Interosseous membrane between radius and ulna

Question 18

Which of the following equations best represents the relationship between joint stability and the number of ligaments?

Accepted Answer

$$	ext{Stability} \propto 	ext{Number of ligaments}$$

Question 19

Which of the following is NOT a characteristic of fibrous joints?

Accepted Answer

Bones joined by hyaline cartilage

Question 20

A patient with a genetic disorder has abnormally short connective tissue fibers in their syndesmoses. What is the most likely effect on joint movement?

Accepted Answer

Decreased range of motion

Chapter 8A: Joints – Structure, Classification, and Function

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