Q: Which of the following equations best represents the relationship between the number of axes and the type of synovial joint movement?

$$\text{Number of axes} = 1$$ for uniaxial joints

Question 1

Which of the following best describes the functional classification of the pubic symphysis joint?

Accepted Answer

Amphiarthrotic; slightly movable

Question 2

A patient presents with pain and swelling in the knee after a twisting injury. Imaging reveals a tear in the meniscus. Why is healing of this injury often slow or incomplete?

Accepted Answer

The meniscus is avascular, so it receives little direct blood supply.

Question 3

Which movement is demonstrated when you turn your palm from facing upward to facing downward?

Accepted Answer

Pronation

Question 4

Which of the following joints is classified as a synovial, ball-and-socket joint and allows for multiaxial movement?

Accepted Answer

Hip joint

Question 5

A football player suffers a lateral blow to the knee. Which ligament is most likely to be injured, and what is its primary function?

Accepted Answer

Medial collateral ligament; resists valgus force

Question 6

Which of the following best describes the movement of abduction at the shoulder joint?

Accepted Answer

Movement away from the midline

Question 7

Which type of synovial joint is found between the carpal bones of the wrist and allows only gliding movements?

Accepted Answer

Plane joint

Question 8

During a physical exam, a patient is asked to touch the tip of their thumb to the tip of their little finger. What is this movement called?

Accepted Answer

Opposition

Question 9

Which of the following is a distinguishing feature of all synovial joints?

Accepted Answer

Presence of a fluid-filled joint cavity

Question 10

A patient with rheumatoid arthritis is most likely to experience which of the following symptoms?

Accepted Answer

Joint pain and swelling due to autoimmune inflammation

Question 11

Which of the following best describes the structural and functional classification of the intervertebral discs?

Accepted Answer

Cartilaginous; amphiarthrotic

Question 12

Which movement occurs at the ankle when you stand on your tiptoes?

Accepted Answer

Plantar flexion

Question 13

Which of the following is NOT a stabilizing factor for synovial joints?

Accepted Answer

Amount of synovial fluid produced

Question 14

A dentist is concerned about the stability of a patient's tooth in its socket. Which type of joint is involved, and what is its functional classification?

Accepted Answer

Gomphosis; synarthrotic

Question 15

Which of the following best describes the movement of the head when shaking it 'no'?

Accepted Answer

Rotation at the atlantoaxial joint

Question 16

Which of the following equations best represents the relationship between the number of axes and the type of synovial joint movement?

Accepted Answer

$$	ext{Number of axes} = 1$$ for uniaxial joints

Question 17

A patient is unable to abduct their arm at the shoulder. Which type of synovial joint is affected, and what movement is impaired?

Accepted Answer

Ball-and-socket joint; abduction

Question 18

Which of the following is a real-life example of a syndesmosis joint?

Accepted Answer

Distal tibiofibular joint

Question 19

Which of the following best describes the movement of the mandible when opening the mouth wide?

Accepted Answer

Depression

Question 20

A gymnast performs a split, moving her legs away from the midline in the frontal plane. Which movement is this, and at which joint does it primarily occur?

Accepted Answer

Abduction at the hip joint

Joints: Structure, Classification, and Movements

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