Intermediate Vocal Cords Quiz

Q1. The vocal ligament is the thickened superior free edge of which fibroelastic structure?

• Conus elasticus
• Quadrangular membrane
• Thyrohyoid membrane
• Pretracheal fascia

Q2. Which muscle lies immediately lateral to the vocal ligament and forms part of the true vocal fold?

• Posterior cricoarytenoid
• Aryepiglottic muscle
• Cricothyroid
• Vocalis

Q3. Which muscle primarily lengthens and tenses the vocal folds?

• Thyroarytenoid
• Cricothyroid
• Posterior cricoarytenoid
• Transverse arytenoid

Q4. Which nerve supplies the cricothyroid muscle?

• External branch of the superior laryngeal nerve
• Recurrent laryngeal nerve
• Hypoglossal nerve
• Internal branch of the superior laryngeal nerve

Q5. Which muscle can shorten and relax the vocal folds?

• Thyroarytenoid
• Cricothyroid
• Posterior cricoarytenoid
• Sternothyroid

Q6. Which muscle adducts the vocal folds by medially rotating the arytenoid cartilages?

• Lateral cricoarytenoid
• Posterior cricoarytenoid
• Thyrohyoid
• Cricothyroid

Q7. Which muscles are especially important for closing the posterior part of the rima glottidis?

• Sternohyoids
• Transverse and oblique arytenoids
• Posterior cricoarytenoids
• Cricothyroids

Q8. What epithelium normally covers most of the free vibrating surface of the true vocal folds?

• Simple cuboidal epithelium
• Nonkeratinized stratified squamous epithelium
• Transitional epithelium
• Pseudostratified ciliated columnar epithelium throughout

Q9. Why are seromucous glands sparse or absent along the free edge of the true vocal folds?

• The vocal folds contain only cartilage
• The free edge is specialized for vibration rather than gland-rich respiratory mucosa
• The free edge is lined by intestinal mucosa
• The vocal folds have no epithelial covering

Q10. Which anatomical space lies immediately lateral and superior to the true vocal fold between it and the vestibular fold?

• Piriform recess
• Vallecula
• Laryngeal ventricle
• Pre-epiglottic space