Question 1

Which of the following best describes a synarthrosis joint?

Accepted Answer

An immovable joint, such as a suture in the skull

Question 2

A patient presents with pain and swelling in the knee after a sports injury. Which structural category of joint is most likely affected?

Accepted Answer

Synovial joint

Question 3

Which of the following is a correct pairing of joint type and example?

Accepted Answer

Syndesmosis – between tibia and fibula

Question 4

Which feature is unique to synovial joints and not found in fibrous or cartilaginous joints?

Accepted Answer

Presence of a joint cavity filled with synovial fluid

Question 5

A dentist is examining the joint that holds a tooth in its socket. What is the name and structural classification of this joint?

Accepted Answer

Gomphosis; fibrous joint

Question 6

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

Accepted Answer

It lubricates and nourishes articular cartilage, reducing friction

Question 7

A football player suffers an ankle sprain. Which structure is most likely damaged, and what is its role in joint stability?

Accepted Answer

Ligament; reinforces and stabilizes the joint

Question 8

Which of the following movements increases the angle between two bones along the sagittal plane?

Accepted Answer

Extension

Question 9

During a physical exam, a patient is asked to rotate their forearm so the palm faces posteriorly. What is this movement called?

Accepted Answer

Pronation

Question 10

Which of the following best describes a pivot joint and provides a correct example?

Accepted Answer

Allows rotation around a single axis; proximal radioulnar joint

Question 11

A gymnast performs a split, moving her legs away from the midline of her body. Which movement is she demonstrating?

Accepted Answer

Abduction

Question 12

Which of the following is a biaxial synovial joint and where is it found?

Accepted Answer

Saddle joint; carpometacarpal joint of the thumb

Question 13

Which of the following statements about joint stability is correct?

Accepted Answer

The more ligaments a joint has, the stronger and more stable it is

Question 14

Which movement is described as turning the sole of the foot medially?

Accepted Answer

Inversion

Question 15

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

Accepted Answer

Opposition

Question 16

Which of the following best describes the difference between a synchondrosis and a symphysis?

Accepted Answer

A synchondrosis is united by hyaline cartilage, while a symphysis is united by fibrocartilage

Question 17

Which of the following equations best represents the relationship between joint stability (S), number of ligaments (L), and muscle tone (M), assuming all other factors are constant?

Accepted Answer

$$S = L + M$$

Question 18

A patient with rheumatoid arthritis has inflammation of the synovial membrane. Which of the following is a direct consequence of this inflammation?

Accepted Answer

Decreased production of synovial fluid, leading to increased friction

Question 19

Which of the following best describes the movement of the mandible when you open your mouth wide?

Accepted Answer

Depression

Question 20

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

Accepted Answer

Ball-and-socket joint

Anatomy & Physiology Study Notes: The Skeletal System – Joints

Guida di studio - Domande di pratica

Study guide - Flashcard