Intermediate Auricle Quiz

Q1. Into which two parts is the concha divided by the crus of the helix?

• Tragus and antitragus
• Cymba conchae and cavum conchae
• Triangular fossa and scaphoid fossa
• Helix and antihelix

Q2. Which nerve supplies much of the lower posterior and inferior auricular surface?

• Recurrent laryngeal nerve
• Hypoglossal nerve
• Great auricular nerve
• Infraorbital nerve

Q3. Which nerve commonly supplies the upper posterior cranial surface of the auricle?

• Lesser occipital nerve
• Phrenic nerve
• Buccal nerve
• Mental nerve

Q4. Which branch of the trigeminal nerve supplies part of the anterior and superior auricle?

• Supraorbital nerve
• Infraorbital nerve
• Auriculotemporal nerve
• Lingual nerve

Q5. Which cranial nerve contributes sensory fibers to the concha and external acoustic meatus?

• Hypoglossal nerve, CN XII
• Vagus nerve, CN X
• Oculomotor nerve, CN III
• Accessory nerve, CN XI

Q6. Which arteries are major sources of blood supply to the auricle?

• Facial and lingual arteries
• Maxillary and ophthalmic arteries only
• Superior thyroid and occipital arteries only
• Posterior auricular and superficial temporal arteries

Q7. Which lymph nodes commonly receive lymph from the anterior auricle?

• Pretracheal lymph nodes
• Submental lymph nodes only
• Retropharyngeal lymph nodes only
• Superficial parotid lymph nodes

Q8. Which lymph nodes commonly receive lymph from the posterior auricle?

• Submental lymph nodes
• Mastoid lymph nodes
• Prelaryngeal lymph nodes
• Buccal lymph nodes only

Q9. Which nerve provides motor innervation to the intrinsic and extrinsic auricular muscles?

• Trigeminal nerve, CN V
• Facial nerve, CN VII
• Glossopharyngeal nerve, CN IX
• Hypoglossal nerve, CN XII

Q10. Which three muscles are classically described as the extrinsic auricular muscles?

• Temporalis, masseter, and buccinator
• Tragicus, antitragicus, and helicis minor
• Stapedius, tensor tympani, and digastric
• Auricularis anterior, superior, and posterior