Hand Bones Quiz

1. A clinician palpates a hook-shaped projection on the palm's little-finger side. Which carpal bone has this feature?

2. Which two bones meet at the distal interphalangeal joint of the index finger?

3. After falling on an outstretched hand, a person has tenderness in the anatomical snuffbox. Which bone is most strongly associated with this finding?

4. Starting at the metacarpophalangeal joint and moving toward the tip of the index finger, which bone is encountered first?

5. At the thumb's carpometacarpal joint, the first metacarpal articulates primarily with which carpal bone?

6. When the thumb is excluded, which finger is supported by the most ulnar metacarpal?

7. An X-ray shows a classic boxer's fracture through the neck of the metacarpal aligned with the little finger. Which bone is fractured?

8. On a hand radiograph, which carpal bone should appear as the large, centrally positioned bone of the distal row?

9. How many phalanges does the thumb normally have?

10. A student traces the base of the third metacarpal toward the wrist. Which carpal bone does it primarily meet?

11. Which sequence lists the distal carpal row from the thumb side toward the little-finger side?

12. Which group of bones forms the wrist portion of the hand skeleton?

13. A student counts 8 carpals, 5 metacarpals, and 14 phalanges. What is the total number of bones in that hand?

14. How many metacarpal bones are present in one hand?

15. During anatomical dissection, a small pea-shaped bone is found within the flexor carpi ulnaris tendon, palmar to the triquetrum. Which bone is it?

16. On a wrist image, which carpal bone occupies the proximal row between the scaphoid and triquetrum?