Question 1

Which of the following best describes the functional classification of a joint that allows no movement between articulating bones?

Accepted Answer

Synarthrosis

Question 2

A patient presents with joint pain and swelling. Laboratory tests reveal high levels of uric acid. Which type of arthritis is most likely present?

Accepted Answer

Gouty arthritis

Question 3

Which structural type of joint is characterized by a fluid-filled cavity between articulating bones?

Accepted Answer

Synovial joint

Question 4

The epiphyseal plate, which allows long bones to lengthen during development, is classified as which type of joint?

Accepted Answer

Synchondrosis

Question 5

Which of the following joints is a syndesmosis, and what is its primary function?

Accepted Answer

The joint between the tibia and fibula; allows a small amount of movement

Question 6

Which equation best represents the relationship between range of motion (ROM) and the number of axes a synovial joint moves around?

Accepted Answer

$$ROM \propto n$$, where $$n is $$the number of axes$

Question 7

A football player suffers a knee injury. Which specific synovial joint type is the knee, and what is its main movement?

Accepted Answer

Hinge joint; uniaxial flexion and extension

Question 8

Which of the following best describes the movement known as circumduction?

Accepted Answer

A combination of flexion-extension and abduction-adduction resulting in a cone-shaped motion

Question 9

Which joint type allows the greatest range of motion and is found in the shoulder and hip?

Accepted Answer

Ball-and-socket joint

Question 10

A dentist is concerned about the stability of a patient's tooth. Which joint type is involved, and what tissue secures the tooth?

Accepted Answer

Gomphosis; periodontal ligament

Question 11

Which of the following is a correct pairing of joint type and its associated movement?

Accepted Answer

Saddle joint; biaxial movement

Question 12

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

Accepted Answer

Decreasing the angle between the foot and leg

Question 13

Which of the following best explains why sutures in the skull are classified as synarthroses?

Accepted Answer

They are immoveable and provide stability to protect the brain

Question 14

Which joint type is most likely to be affected by osteoarthritis due to wear and tear?

Accepted Answer

Synovial joint

Question 15

Which of the following movements is unique to the thumb and involves a saddle joint?

Accepted Answer

Opposition

Question 16

Which equation best describes the relationship between joint stability ($$S) $$and range of motion ($$ROM$$)?

Accepted Answer

$$S \propto \frac{1}{ROM}$$

Question 17

Which of the following is a cartilaginous joint that withstands compression and is found between vertebral bodies?

Accepted Answer

Symphysis

Question 18

A patient has difficulty rotating their forearm so the palm faces upward. Which movement and joint type are involved?

Accepted Answer

Supination; pivot joint

Question 19

Which of the following best describes the function of synovial fluid in a joint?

Accepted Answer

Lubricates the joint and absorbs shock

Question 20

Which joint type is found between the metacarpals and proximal phalanges, and what movement does it allow?

Accepted Answer

Condylar joint; biaxial movement

Articulations: Structure and Function of Joints in Human Anatomy & Physiology

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