Quiz Questions

1. Which bone is located on the thumb (lateral) side of the forearm?

A. Radius

B. Humerus

C. Ulna

D. Scaphoid

2. What bone rotates during forearm pronation and supination?

A. Radius

B. Ulna

C. Humerus

D. Pisiform

3. What type of fracture is very common in the forearm?

A. Olecranon fracture

B. Distal ulna fracture

C. Distal radius fracture

D. Proximal humerus fracture

4. Where is the ulna located in the forearm?

A. Lateral/thumb side

B. Medial/pinky side

C. Center of the forearm

D. Posterior side of the forearm

5. Which forearm bone provides the main articulation with the humerus?

A. Radius

B. Scaphoid

C. Ulna

D. Trapezium

6. During pronation and supination, what happens to the ulna?

A. It rotates around the radius

B. It stays stationary

C. It flexes and extends

D. It separates from the radius

7. What joint connects the radial head with the ulna near the elbow?

A. Distal radioulnar joint

B. Humeroradial joint

C. Proximal radioulnar joint

D. Interosseous joint

8. What structure stabilizes the shafts of the radius and ulna and provides muscle attachment?

A. Annular ligament

B. TFCC

C. Interosseous membrane

D. Brachial plexus