$$MA = \frac{\text{effort arm}}{\text{resistance arm}}$$

Question 1

Which of the following best describes the difference between a ligament and a tendon?

Accepted Answer

Ligaments connect bone to bone; tendons connect muscle to bone.

Question 2

A patient presents with limited mobility in the skull. Which type of joint is primarily responsible for this restriction?

Accepted Answer

Synarthrosis

Question 3

Which of the following is NOT a component of a synovial joint?

Accepted Answer

Epiphyseal plate

Question 4

During a biceps curl, which class of lever is being used in the human body?

Accepted Answer

Third class lever

Question 5

Which joint type allows the greatest range of motion?

Accepted Answer

Diarthrosis

Question 6

A football player suffers a knee injury. Which of the following structures is most likely damaged if the joint's stability is compromised?

Accepted Answer

Ligament

Question 7

Which movement type describes the action of moving a limb away from the midline of the body?

Accepted Answer

Abduction

Question 8

The thumb (carpometacarpal joint) is an example of which type of synovial joint?

Accepted Answer

Saddle joint

Question 9

Which of the following equations best represents the mechanical advantage ($$MA) of a $$lever in the human body?

Accepted Answer

$$MA = \frac{	ext{effort arm}}{	ext{resistance arm}}$$

Question 10

Which of the following best explains why synovial fluid is essential for joint function?

Accepted Answer

It reduces friction between articular surfaces.

Question 11

A patient is diagnosed with osteoarthritis, which primarily affects which component of the synovial joint?

Accepted Answer

Articular cartilage

Question 12

Which of the following is a correct example of a first-class lever in the human body?

Accepted Answer

Nodding the head (neck)

Question 13

Which joint type is most likely to be found between the vertebrae, allowing limited movement?

Accepted Answer

Amphiarthrosis

Question 14

Which of the following statements about joint stability and mobility is correct?

Accepted Answer

Greater mobility results in less stability.

Question 15

Which of the following is NOT a type of synovial joint?

Accepted Answer

Suture

Question 16

A person is performing a calf raise. Which class of lever is being used?

Accepted Answer

Second class lever

Question 17

Which of the following best describes the function of articular cartilage in synovial joints?

Accepted Answer

It absorbs shock and reduces friction.

Question 18

Which movement type occurs when the angle between two bones decreases?

Accepted Answer

Flexion

Question 19

Which of the following is a correct example of a third-class lever in the human body?

Accepted Answer

Biceps curl

Question 20

Which of the following best describes a diarthrosis joint?

Accepted Answer

A freely movable joint

Skeletal System: Articulations – Study Guide and Review

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