exam 5 pre-lecture quizzes Flashcards
Name the three cavities of the vocal tract.
Oral, nasal, pharyngeal cavities
These cavities play a crucial role in speech production and resonance.
Name the 8 different articulators.
Lips, velum, tongue, jaw/mandible, pharynx (mobile), teeth, alveolar, hard palate (immobile)
Articulators are essential for producing different speech sounds.
Name the four types of teeth.
Incisors, canines, premolars, molars
Each type of tooth serves specific functions in the process of chewing.
What is the biological function of teeth?
To chew and break down food
This function is essential for digestion.
What is the non-biological function of teeth?
Aesthetic appearance and social interaction
Teeth can influence self-esteem and social perceptions.
Which facial muscle is responsible for frowning?
Depressor labii inferioris
This muscle helps express negative emotions.
Which facial muscle is responsible for smiling?
Zygomaticus major
This muscle is crucial for expressing happiness.
List at least 3 differences between the lateral and medial pterygoid muscles.
The medial pterygoid elevates the mandible, while the lateral pterygoid depresses the mandible. The lateral pterygoid also moves the mandible laterally. The medial pterygoid also has an origin of the maxilla in addition to the lateral pterygoid plate of the sphenoid bone.
What is the main function of the masseter muscle?
Elevate mandible and protrudes jaw
Which muscle of the soft palate helps in complete VP closure?
Musculus uvulae
Which muscle of the soft palate forms the posterior faucial pillars?
Palatopharyngeus
True or False: The genioglossus muscle forms the anterior faucial pillars.
FALSE, palatoglossus
True or False: Only the intrinsic lingual muscles are required for speech production.
FALSE, Both intrinsic and extrinsic lingual muscles are required for speech production.
Explain why the tongue is classified as a muscular hydrostat.
The tongue is a muscular hydrostat because it maintains a constant volume as the muscles contract, has minimal bony support, and acts like a fluid-filled structure that is incompressible.
Which extrinsic lingual muscle is innervated by a different cranial nerve than the rest?
Palatoglossus
True or False: The function of the stylopharyngeus muscle is to narrow the pharynx.
FALSE,
The stylopharyngeus elevates and widens the pharynx.
The constrictor muscles and palatopharyngeus narrow the pharynx
True or False: the superior constrictor muscle is at the level of the laryngopharynx.
FALSE
The superior constrictor muscle is at the level of the nasopharynx.
The inferior constrictor muscle is at the level of the laryngopharynx.
Which muscle is classified as a muscle of the pharynx and a muscle of the soft palate?
Palatopharyngeus
How does the pharynx act as an articulator?
The pharynx changes in diameter and length, leading to changes in resonant properties of the vocal tract.
