Q: Which equation best represents the relationship between joint stability and the number of ligaments present?

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

Q: Which equation best describes the relationship between muscle tone and joint stability?

$$\text{Joint Stability} \propto \text{Muscle Tone}$$

Question 1

Which of the following best describes the structural classification of the joint between the first rib and the manubrium of the sternum?

Accepted Answer

Cartilaginous joint (specifically a synchondrosis)

Question 2

A patient presents with pain and swelling in the hand after repetitive movements. Which structure is most likely inflamed if the pain is localized to the area where tendons pass through synovial sheaths?

Accepted Answer

Tendon sheath

Question 3

Which movement occurs when the sole of the foot turns medially?

Accepted Answer

Inversion

Question 4

Which synovial joint type allows movement in all three anatomical planes, including rotation?

Accepted Answer

Ball-and-socket joint

Question 5

What is the primary function of synovial fluid within the joint cavity?

Accepted Answer

To lubricate and nourish articular cartilage

Question 6

Which of the following movements is described as decreasing the angle between two bones, usually in the sagittal plane?

Accepted Answer

Flexion

Question 7

A football player suffers a shoulder dislocation after a lateral blow. Which structural feature of the shoulder joint contributes most to its susceptibility to dislocation?

Accepted Answer

Thin and loose articular capsule

Question 8

Which equation best represents the relationship between joint stability and the number of ligaments present?

Accepted Answer

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

Question 9

Which movement is demonstrated when a person touches the tip of their thumb to the tip of their index finger?

Accepted Answer

Opposition

Question 10

Which joint is most likely to be affected by osteoarthritis following complete removal of its meniscus?

Accepted Answer

Knee joint

Question 11

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

Accepted Answer

Epiphyseal plate of hyaline cartilage

Question 12

A patient is unable to move their mandible forward. Which movement is impaired?

Accepted Answer

Protraction

Question 13

Which joint type is formed by the articulation of the humerus with the ulna, allowing only flexion and extension?

Accepted Answer

Hinge joint

Question 14

Which movement occurs when the palm of the hand faces posteriorly due to the radius crossing over the ulna?

Accepted Answer

Pronation

Question 15

Which of the following best describes the movement of the knee when a person stands up from a seated position?

Accepted Answer

Extension

Question 16

Which equation best describes the relationship between muscle tone and joint stability?

Accepted Answer

$$	ext{Joint Stability} \propto 	ext{Muscle Tone}$$

Question 17

Which movement is described as moving a limb away from the body midline in the frontal plane?

Accepted Answer

Abduction

Question 18

Which structure is responsible for reducing friction where ligaments, muscles, skin, tendons, or bones rub together?

Accepted Answer

Bursa

Question 19

Which joint type is characterized by flat articular surfaces and allows only gliding movements?

Accepted Answer

Plane joint

Question 20

A patient presents with a partial tear of the ankle ligament. Which of the following is the most likely reason for slow healing?

Accepted Answer

Poor vascularization of ligaments

Joints (Articulations): Structure, Classification, and Clinical Implications

Guida di studio - Domande di pratica

Study guide - Flashcard