Joint Self Test

Question 1

Define a joint.

Answer 1

A joint, also called an articulation, is any place where adjacent bones and cartilage come together to form a connection.

Question 2

What is arthrology?

Answer 2

Arthrology is joint-centered: It explores how joints are built and how they function structurally.

Question 3

What is kinesiology?

Answer 3

Kinesiology is movement-centered: It studies how the entire body moves, often combining joints, muscles, and biomechanics.

Question 4

When flexing your torso laterally, the movement occurs along what body plane?

Answer 4

The Coronal Plane also known as the frontal plane.

Question 5

What type of joint is a suture?

Answer 5

Fibrous joint; functional class: Synarthrosis.

Question 6

What type of joint is a synostosis?

Answer 6

Bony fusion (technically fibrous); functional class: Synarthrosis.

Question 7

What is an example of a saddle joint in the human body?

Answer 7

Thumb (1st carpometacarpal joint).

Question 8

What is the structural classification of a synchondrosis joint?

Answer 8

Cartilaginous joint; functional class: Synarthrosis.

Question 9

What is an example of a pivot joint?

Answer 9

Atlas–axis joint (C1-C2).

Question 10

What type of joint is the pubic symphysis?

Answer 10

Cartilaginous joint; functional class: Amphiarthrosis.

Question 11

What type of connective tissue holds articulating surfaces in fibrous joints?

Answer 11

Dense irregular connective tissue.

Question 12

What type of joint is classified as cartilaginous and amphiarthrosis?

Answer 12

Pubic symphysis.

Question 13

What is the anatomy of a synovial cavity?

Answer 13

A small, fluid-filled space that lies between the articulating bones.

Question 14

What is the function of the synovial membrane?

Answer 14

Produces synovial fluid, removes metabolic waste, and maintains the internal environment of the joint.

Question 15

What covers the ends of the bones in a synovial joint?

Answer 15

Articular cartilage.

Question 16

What is the anatomy of menisci?

Answer 16

Crescent-shaped fibrocartilaginous structures found within certain synovial joints.

Question 17

What type of tissue primarily composes menisci?

Answer 17

Fibrocartilage.

Question 18

What is one function of menisci in the knee joint?

Answer 18

Shock absorption.

Question 19

Why do we have menisci in the knee joint but not in the elbow?

Answer 19

The knee joint is a weight-bearing joint with incongruent articular surfaces requiring added stabilization.

Question 20

What is one role of synovial fluid?

Answer 20

Reduces friction between cartilage surfaces.

Question 21

The glenohumeral joint exhibits _____________ compared to the hip joint.

Answer 21

low level of stability but a wide range of motion.

Question 22

What do tendons connect?

Answer 22

Muscle to bone.

Question 23

What do ligaments connect?

Answer 23

Bone to bone.

Question 24

What is a defining characteristic of bursae?

Answer 24

Small, fluid-filled sacs lined by synovial membrane.

Question 25

Define dislocation.

Answer 25

Complete displacement of a bone from its joint.

Question 26

Define subluxation.

Answer 26

Partial dislocation; bones are misaligned but still in contact.

Question 27

What is bursitis?

Answer 27

Inflammation of a bursa (fluid-filled sac).

Question 28

What is a sprain?

Answer 28

Stretching or tearing of ligaments.

Question 29

When sitting upright in a chair, are your hip and knee joints flexed or extended?

Answer 29

Your hip joints are flexed; your knee joints are flexed.

Question 30

What causes the noise when you crack a joint?

Answer 30

Cavitation.

Question 31

What is the essence of the 'Great Joint Compromise'?

Answer 31

No joint can be maximally stable and maximally mobile at the same time.

Question 32

What is osteoarthritis (OA)?

Answer 32

Wear and tear of cartilage due to aging, overuse, or injury.

Question 33

What is rheumatoid arthritis (RA)?

Answer 33

Autoimmune disorder where the immune system attacks joint tissues.

Question 34

What is gouty arthritis?

Answer 34

Accumulation of uric acid crystals in joints.

Question 35

What is a common symptom of osteoarthritis?

Answer 35

Joint pain, stiffness, reduced range of motion.

Question 36

What is a common symptom of rheumatoid arthritis?

Answer 36

Swelling, redness, joint pain, stiffness (especially morning stiffness > 1 hour).

Question 37

What is a common symptom of gouty arthritis?

Answer 37

Sudden severe pain, swelling, redness, warmth in the affected joint.

Question 38

What is a key difference between dislocation and subluxation?

Answer 38

Dislocation is a complete displacement; subluxation is partial misalignment.

Question 39

What is the treatment focus for osteoarthritis?

Answer 39

Pain management, lifestyle changes, joint replacement if severe.

Question 40

What is the treatment focus for rheumatoid arthritis?

Answer 40

Immunosuppressants, anti-inflammatories, physical therapy.

Question 41

What is the treatment focus for gouty arthritis?

Answer 41

Anti-inflammatory drugs, medications to reduce uric acid, diet changes.