Intermediate Ulnar Artery Quiz

Q1. Deep to which muscle does the ulnar artery pass as it leaves the cubital fossa?

• Anconeus
• Pronator teres
• Brachioradialis
• Extensor carpi radialis longus

Q2. Which muscle is an important medial relation of the ulnar artery through much of the distal forearm?

• Flexor carpi ulnaris
• Supinator
• Extensor pollicis longus
• Brachioradialis

Q3. Which artery is the usual source of the anterior and posterior interosseous arteries?

• Common interosseous artery
• Superior ulnar collateral artery
• Deep brachial artery
• Radial recurrent artery

Q4. The anterior ulnar recurrent artery typically anastomoses with which artery near the medial elbow?

• Posterior circumflex humeral artery
• Inferior ulnar collateral artery
• Radial collateral artery
• Middle collateral artery

Q5. The posterior ulnar recurrent artery typically anastomoses with which artery behind the medial epicondyle?

• Radial collateral artery
• Anterior circumflex humeral artery
• Superior ulnar collateral artery
• Middle collateral artery

Q6. What is the usual relationship of the ulnar nerve to the ulnar artery in the distal forearm?

• The ulnar nerve lies medial to the artery
• The ulnar nerve ends before reaching the distal forearm
• The ulnar nerve lies within the artery
• The ulnar nerve lies far lateral to the radial artery

Q7. Through which passage does the ulnar artery enter the hand?

• Carpal tunnel
• Anatomical snuffbox
• Cubital tunnel
• Guyon canal

Q8. Which structures form the principal bony boundaries of Guyon canal?

• Pisiform and hook of hamate
• Radius and ulna
• Scaphoid and trapezium
• Lunate and capitate

Q9. Which branch of the ulnar artery contributes to the palmar carpal network?

• Posterior ulnar recurrent artery
• Anterior ulnar recurrent artery
• Common interosseous artery
• Palmar carpal branch

Q10. Which sequence correctly traces the usual arterial pathway to the ulnar artery?

• Subclavian artery, brachial artery, axillary artery, ulnar artery
• Subclavian artery, axillary artery, brachial artery, ulnar artery
• Axillary artery, radial artery, brachial artery, ulnar artery
• Brachial artery, subclavian artery, axillary artery, ulnar artery