Question 1

Which of the following bones is NOT part of the axial skeleton?

Accepted Answer

Femur

Question 2

The pectoral girdle consists of which two bones?

Accepted Answer

Clavicle and scapula

Question 3

Which anatomical feature of the scapula separates the supraspinous fossa from the infraspinous fossa?

Accepted Answer

Spine of the scapula

Question 4

Which joint type allows for the greatest range of motion?

Accepted Answer

Diarthrosis

Question 5

A patient presents with a fracture to the lateral border of the scapula. Which muscle attachment is most likely affected?

Accepted Answer

Teres minor

Question 6

Which of the following correctly describes abduction?

Accepted Answer

Movement of a limb away from the midline of the body

Question 7

The acetabulum is formed by the fusion of which three bones?

Accepted Answer

Ilium, ischium, and pubis

Question 8

Which ligament stabilizes the head of the femur within the acetabulum?

Accepted Answer

Ligament of the head of the femur (ligamentum teres)

Question 9

Which of the following movements is described as rotating the forearm so the palm faces posteriorly?

Accepted Answer

Pronation

Question 10

A synovial joint is characterized by which of the following features?

Accepted Answer

Presence of a joint capsule and synovial fluid

Question 11

Which carpal bone is most commonly fractured in a fall onto an outstretched hand?

Accepted Answer

Scaphoid

Question 12

Which equation best represents the relationship between the number of phalanges in the hand and foot?

Accepted Answer

$$N_{phalanges,hand} = N_{phalanges,foot}$$

Question 13

Which joint is classified as a syndesmosis?

Accepted Answer

Distal tibiofibular joint

Question 14

A patient has difficulty flexing their knee. Which type of joint movement is impaired?

Accepted Answer

Angular motion

Question 15

Which ligament prevents excessive anterior movement of the tibia relative to the femur?

Accepted Answer

Anterior cruciate ligament (ACL)

Question 16

Which of the following is a function of the menisci in the knee joint?

Accepted Answer

Absorbing shock and improving joint stability

Question 17

Which equation describes the total number of bones in the adult human skeleton?

Accepted Answer

$$N_{total} = N_{axial} + N_{appendicular}$$

Question 18

Which movement is described as moving the thumb to touch the tips of the other fingers?

Accepted Answer

Opposition

Question 19

Which joint is an example of a cartilaginous amphiarthrosis?

Accepted Answer

Pubic symphysis

Question 20

A patient presents with a dislocated shoulder. Which joint is most likely affected?

Accepted Answer

Glenohumeral joint

Appendicular Skeleton: Structure, Components, and Functional Anatomy

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