Intermediate Anterior Compartment of the Forearm Quiz

Q1. Which bony landmark provides the common flexor origin for several superficial anterior forearm muscles?

• Lateral epicondyle of the humerus
• Radial styloid process
• Olecranon only
• Medial epicondyle of the humerus

Q2. Which group correctly lists the principal superficial muscles of the anterior forearm?

• Pronator teres, flexor carpi radialis, palmaris longus, and flexor carpi ulnaris
• Brachioradialis, supinator, extensor indicis, and extensor pollicis longus
• Extensor digitorum, extensor digiti minimi, extensor carpi ulnaris, and anconeus
• Flexor digitorum profundus, flexor pollicis longus, pronator quadratus, and supinator

Q3. Which group correctly identifies the deep muscles of the anterior forearm?

• Flexor digitorum profundus, flexor pollicis longus, and pronator quadratus
• Pronator teres, palmaris longus, and flexor carpi radialis
• Extensor digitorum, extensor indicis, and supinator
• Brachioradialis, anconeus, and extensor carpi radialis longus

Q4. Which nerve passes between the humeral and ulnar heads of pronator teres?

• Musculocutaneous nerve
• Radial nerve
• Median nerve
• Ulnar nerve

Q5. Which nerve supplies flexor pollicis longus and pronator quadratus?

• Superficial branch of the radial nerve
• Dorsal cutaneous branch of the ulnar nerve
• Anterior interosseous nerve
• Posterior interosseous nerve

Q6. Which part of flexor digitorum profundus is supplied by the anterior interosseous nerve?

• The entire muscle exclusively
• Medial part serving the ring and little fingers
• Lateral part serving the index and middle fingers
• No part of the muscle

Q7. Which part of flexor digitorum profundus is supplied by the ulnar nerve?

• No part of the muscle
• Lateral part serving the index and middle fingers
• Medial part serving the ring and little fingers
• Only the tendon to the index finger

Q8. Which artery travels with the anterior interosseous nerve on the anterior aspect of the interosseous membrane?

• Deep brachial artery
• Posterior circumflex humeral artery
• Thoracoacromial artery
• Anterior interosseous artery

Q9. Which anterior forearm tendon is commonly absent because its muscle is anatomically variable?

• Palmaris longus tendon
• Flexor carpi ulnaris tendon
• Flexor pollicis longus tendon
• Flexor digitorum profundus tendon

Q10. Which anterior forearm tendons pass through the carpal tunnel?

• Pronator teres and pronator quadratus tendons
• Flexor digitorum superficialis, flexor digitorum profundus, and flexor pollicis longus tendons
• Flexor carpi ulnaris and palmaris longus tendons only
• All anterior forearm tendons without exception