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Human Anatomy: Pharynx Structure and Functions

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Human Anatomy: Pharynx Structure and Functions

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Questions and Answers

What is the origin of the Thyropharyngeus muscle?

Pterygo-mandibular raphe

Medial pterygoid plate

Greater cornu of hyoid bone

Oblique line of thyroid cartilage (correct)

What is the purpose of the cricopharyngeus part of the Inferior Constrictor muscle?

Has a sphincteric action (correct)

Regulates breathing

Helps in speech formation

Aids in swallowing

What is the name of the gap between the upper border of the Superior Constrictor muscle and the base of the skull?

Pyriform fossa

Pharyngeal tubercle

Dehiscence of Killian

Sinus of Morgagni (correct)

Which nerve passes through the Middle Constrictor muscle?

Internal laryngeal nerve Signup and view all the answers

What is the main blood supply to the Pharynx through?

All of the above Signup and view all the answers

What is the name of the gap between the Thyropharyngeus and Cricopharyngeus muscles?

Dehiscence of Killian Signup and view all the answers

What is the function of the longitudinal muscles in the pharynx?

To elevate the larynx and shorten the pharynx to facilitate swallowing Signup and view all the answers

Which nerve supplies the stylopharyngeus muscle?

Glossopharyngeal nerve Signup and view all the answers

Which muscle originates from the internal auditory tube?

Salphingopharyngeus Signup and view all the answers

What is the name of the fossa present on the sides of the laryngeal inlet?

Pyriform fossa Signup and view all the answers

What is the insertion point of the longitudinal muscles in the pharynx?

Posterior border of the lamina of the thyroid cartilage Signup and view all the answers

Which muscle is not a longitudinal muscle in the pharynx?

Superior constrictor Signup and view all the answers

What is the boundary of the pyriform fossa medially?

Aryepiglottic fold Signup and view all the answers

What is the function of the constrictor muscles in the pharynx?

To constrict the pharynx and narrow the laryngeal inlet Signup and view all the answers

What is the nerve supply of the palatopharyngeus and salphingopharyngeus muscles?

Pharyngeal plexus (cranial part of accessory nerve) Signup and view all the answers

What is the boundary of the pyriform fossa laterally?

Mucous membrane covering the medial surface of the lamina of the thyroid cartilage Signup and view all the answers