Larynx Anatomy Quiz
Questions: 16 · 10 minutes
1. In an emergency cricothyrotomy, an opening is made through the membrane located between which two cartilages?
Epiglottis and thyroid cartilage
Cricoid cartilage and first tracheal ring
Thyroid and arytenoid cartilages
Thyroid and cricoid cartilages
2. Which paired cartilages sit on the posterior part of the cricoid lamina and provide attachment for the vocal folds?
Arytenoid cartilages
Cuneiform cartilages
Corniculate cartilages
Thyroid cartilages
3. During quiet breathing, which intrinsic laryngeal muscle is primarily responsible for abducting the true vocal folds?
Lateral cricoarytenoid
Posterior cricoarytenoid
Transverse arytenoid
Thyroarytenoid
4. After injury to the recurrent laryngeal nerve, which intrinsic laryngeal muscle would most likely retain its motor function?
Thyroarytenoid
Cricothyroid
Lateral cricoarytenoid
Posterior cricoarytenoid
5. Which major laryngeal cartilage is composed primarily of elastic cartilage rather than hyaline cartilage?
Cricoid cartilage
Arytenoid cartilage
Thyroid cartilage
Epiglottis
6. Which list contains the three unpaired cartilages of the larynx?
Arytenoid, corniculate, and cuneiform
Thyroid, cricoid, and epiglottis
Thyroid, arytenoid, and corniculate
Cricoid, cuneiform, and arytenoid
7. Which laryngeal cartilage forms the only complete ring around the airway?
Cricoid cartilage
Epiglottis
Thyroid cartilage
Arytenoid cartilage
8. Which epithelium normally covers the free vibrating edge of a true vocal fold?
Nonkeratinized stratified squamous epithelium
Keratinized stratified squamous epithelium
Pseudostratified ciliated columnar epithelium
Simple cuboidal epithelium
9. In a typical adult, the larynx is commonly described as extending across which vertebral levels?
C5 to T1
C1 to C3
C3 to C6
C7 to T2
10. A lesion of the external branch of the superior laryngeal nerve would most directly weaken which muscle?
Posterior cricoarytenoid
Cricothyroid
Vocalis
Transverse arytenoid
11. A patient loses laryngeal sensation above the true vocal folds after neck surgery. Which nerve branch was most likely affected?
External branch of the superior laryngeal nerve
Recurrent laryngeal nerve
Internal branch of the superior laryngeal nerve
Hypoglossal nerve
12. How are the vestibular folds positioned relative to the true vocal folds?
They cross the true vocal folds at right angles
They lie inferior to the true vocal folds
They lie superior to the true vocal folds
They form the posterior continuation of the true vocal folds
13. A small piece of food touches mucosa above the true vocal folds and triggers a protective cough. Which nerve carries the relevant sensory input from that region?
Recurrent laryngeal nerve
External branch of the superior laryngeal nerve
Hypoglossal nerve
Internal branch of the superior laryngeal nerve
14. A singer raises vocal pitch by increasing the length and tension of the vocal folds. Which muscle contributes most directly to this action?
Posterior cricoarytenoid
Lateral cricoarytenoid
Cricothyroid
Transverse arytenoid
15. During laryngoscopy, the examiner observes the rima glottidis. Which description identifies this space?
The recess between a vestibular fold and a true vocal fold
The opening between the tongue and the epiglottis
The passage between the epiglottis and aryepiglottic folds
The opening between the right and left true vocal folds and their vocal processes
16. A surgeon traces the vocal ligament from its anterior attachment on the thyroid cartilage. Where does it attach posteriorly?
Vocal process of the arytenoid cartilage
Superior border of the cricoid lamina
Muscular process of the arytenoid cartilage
Cuneiform cartilage within the aryepiglottic fold