Question 1

Which of the following best describes the primary function of joints in the human body?

Accepted Answer

To provide both stability and mobility, allowing movement between bones

Question 2

A synovial joint is characterized by which of the following features?

Accepted Answer

A fluid-filled joint cavity surrounded by a capsule

Question 3

Which type of joint allows the greatest range of movement?

Accepted Answer

Synovial

Question 4

A patient presents with limited movement in the vertebral column due to degeneration of the intervertebral discs. Which type of joint is primarily affected?

Accepted Answer

Symphysis

Question 5

Which of the following movements describes moving a limb away from the midline of the body?

Accepted Answer

Abduction

Question 6

The knee joint is primarily classified as which type of synovial joint?

Accepted Answer

Hinge

Question 7

Which of the following best describes the movement known as 'pronation' of the forearm?

Accepted Answer

Rotating the forearm so the palm faces posteriorly

Question 8

Which structural classification of joints is held together by dense fibrous connective tissue and is generally immovable?

Accepted Answer

Fibrous

Question 9

A football player suffers a torn meniscus in his knee. What is the role of the meniscus in the knee joint?

Accepted Answer

It acts as a cartilage pad that improves fit and cushions the joint

Question 10

Which of the following equations correctly represents the relationship between force ($F$), area ($A$), and pressure ($P$) in a synovial joint during movement?

Accepted Answer

$P = F \div A$

Question 11

Which joint movement is described as decreasing the angle between two bones, such as bending the elbow?

Accepted Answer

Flexion

Question 12

A dentist is examining the joint that anchors a tooth into its socket. What is the name of this joint?

Accepted Answer

Gomphosis

Question 13

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

Accepted Answer

Suture

Question 14

A patient is unable to move their thumb to touch the tips of their other fingers. Which special movement is impaired?

Accepted Answer

Opposition

Question 15

Which of the following best describes a symphysis joint?

Accepted Answer

Bones united by fibrocartilage, slightly movable

Question 16

During walking, which movement occurs at the ankle when the toes are pointed upward?

Accepted Answer

Dorsiflexion

Question 17

Which of the following is a functional classification of joints based on mobility?

Accepted Answer

Synarthrosis

Question 18

A patient with arthritis has inflammation of the synovial membrane. What is the primary function of the synovial membrane?

Accepted Answer

To secrete synovial fluid for lubrication

Question 19

Which movement involves turning the sole of the foot medially?

Accepted Answer

Inversion

Question 20

Which of the following best explains why joints are considered the weakest points of the skeleton?

Accepted Answer

They are a compromise between stability and mobility, making them susceptible to injury

Chapter 9: Joints – Structure, Classification, and Movements

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