Exam 1- Muscles Of The Larynx

Question 0

Thyroarytenoid

Answer 0

O- thyroid cartilage
I- arytenoid cartilage
A- relaxes vocal fold, decreases pitch of sound
N- recurrent laryngeal (X)

Question 1

Cricothyroid

Answer 1

O- cricoid cartilage
I- thyroid cartilage
A- tenses vocal fold, raises pitch of sound
N- external laryngeal (X)

Question 2

Posterior Cricoarytenoid

Answer 2

O- cricoid cartilage
I- arytenoid cartilage
A- abducts vocal folds, opens rima glottidis
N- recurrent laryngeal (X)

Question 3

Lateral Cricoarytenoid

Answer 3

O- cricoid cartilage
I- arytenoid cartilage
A- adducts vocal folds; closes rima glottidis
N- recurrent laryngeal (X)

Question 4

Arytenoid (transverse arytenoid)

Answer 4

O- arytenoid cartilage
I- arytenoid cartilage of opposite side
A- adducts vocal folds, closes rima glottidis
N- recurrent laryngeal (X)

Question 5

Aryepiglottic Muscle

Answer 5

O- arytenoid cartilage
I- epiglottic cartilage
A- pulls down epiglottis during swallowing
N- recurrent laryngeal (X)