Which of the following muscle is known as safety muscle of larynx?
Correct Answer: Posterior cricoarytenoid
Description: Posterior cricoarytenoid is known as safety muscle of larynx. It is so called because being the only abductor of the vocal cords it keeps the rima glottis open to allow air to enter the lungs. Adductors of vocal cord are: Cricothyroid Thyroarytenoids Lateral cricoarytenoid Transverse arytenoids Relaxant of vocal cords: Vocalis Thyroarytenoid
Category:
ENT
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now