Q: Which of the following formulas correctly calculates the total number of phalanges in both hands?

$$N_{phalanges} = 2 \times (4 \times 3 + 1 \times 2)$$

Question 1

Which of the following statements best describes the structural difference between the pectoral (shoulder) girdle and the pelvic girdle?

Accepted Answer

The pectoral girdle does not articulate with the vertebral column and is connected by muscles only, while the pelvic girdle articulates directly with the sacrum.

Question 2

Which bone forms the only direct articulation between the upper limb and the axial skeleton?

Accepted Answer

Clavicle

Question 3

A patient presents with numbness and tingling in the lateral three and a half fingers. Which anatomical structure is most likely compressed?

Accepted Answer

Median nerve in the carpal tunnel

Question 4

Which of the following features is unique to the female pelvis compared to the male pelvis?

Accepted Answer

Shallower and wider pelvic cavity

Question 5

The acetabulum is a critical structure in the pelvic girdle. What is its primary function?

Accepted Answer

Articulation with the head of the femur to form the hip joint

Question 6

Which of the following correctly describes the arrangement of bones in the wrist (carpus)?

Accepted Answer

Eight carpal bones arranged in two rows

Question 7

During pronation and supination of the forearm, which bone rotates around the other?

Accepted Answer

Radius rotates around the ulna

Question 8

A fracture at the surgical neck of the humerus is clinically significant because it may damage which structure?

Accepted Answer

Axillary nerve

Question 9

Which of the following equations best represents the load distribution across the arches of the foot when standing?

Accepted Answer

$$F_{total} = F_{medial} + F_{lateral} + F_{transverse}$$

Question 10

Which anatomical landmark allows passage of the sciatic nerve from the pelvis to the lower limb?

Accepted Answer

Greater sciatic notch

Question 11

Which joint is formed by the articulation of the scapula and the humerus?

Accepted Answer

Glenohumeral joint

Question 12

A patient suffers a fall and lands on their heel, fracturing the largest tarsal bone. Which bone is most likely affected?

Accepted Answer

Calcaneus

Question 13

Which of the following best explains the clinical significance of the true pelvis?

Accepted Answer

It contains the reproductive organs, urinary bladder, and rectum.

Question 14

Which bone is commonly used for bone grafting procedures due to its accessibility and minimal impact on weight-bearing?

Accepted Answer

Fibula

Question 15

Which of the following formulas correctly calculates the total number of phalanges in both hands?

Accepted Answer

$$N_{phalanges} = 2 	imes (4 	imes 3 + 1 	imes 2)$$

Question 16

Which of the following is a function of the arches of the foot?

Accepted Answer

Allow the foot to spring back when weight is removed

Question 17

Which joint is responsible for the articulation between the axial skeleton and the pectoral girdle?

Accepted Answer

Sternoclavicular joint

Question 18

Which of the following bones is NOT part of the pelvic girdle?

Accepted Answer

Sacrum

Question 19

A patient with carpal tunnel syndrome is most likely to experience symptoms due to compression of which structure?

Accepted Answer

Median nerve

Question 20

Which of the following best describes the function of the patella?

Accepted Answer

Increases the leverage of the quadriceps femoris tendon

Appendicular Skeleton: Structure and Function

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