36 Questions
What is the tongue composed of?
A collection of muscles
What is the function of the intrinsic muscles of the tongue?
To change the shape of the tongue
Which muscle of the tongue is not innervated by the hypoglossal nerve?
Palatoglossus
Which nerve is responsible for general sensation (touch and temperature) of the anterior 2/3 of the tongue?
CN V3
Which artery is the primary source of blood supply to the tongue?
Lingual artery
Which vein drains the dorsum and sides of the tongue?
Posterior lingual vein
What is the function of the extrinsic muscles of the tongue?
To change the position of the tongue
Which nerve is responsible for taste in the anterior 2/3 of the tongue?
CN VII
What is the primary role of teeth in the oral cavity?
To cut and break down food mechanically
Which nerve supplies the muscles in the lateral walls of the oral cavity?
Facial nerve
What is the number of permanent teeth in a human adult?
32
Which part of the tongue lies in the oropharynx?
Root
What is the function of the lingual branch of the trigeminal nerve?
Supplying the mucosa of the lateral walls and floor
What is the region of the tooth that is fixed in the tooth socket?
Root
What is the function of the geniohyoid muscle?
Supplied by fibers from C1
What is the name of the nerve that supplies the mucous membrane of the roof of the oral cavity?
Maxillary nerve
What is the primary function of the buccinator muscle?
To push the cheek towards the teeth during chewing
What is the name of the border between the skin and mucous membrane on the lips?
Vermilion border
Which nerve supplies the lower lip?
Mental nerve (CN V3)
What is the primary role of the orbicularis oris muscle?
To act as a sphincter during eating
Which artery supplies the upper lip?
Upper labial artery
What is the name of the muscle that forms the movable walls of the oral cavity?
Buccinator
What is the primary function of the lips during eating?
To act as a sphincter and prevent food from falling out
Which structure is described as a musculofibrous fold?
Lip
Where does the lingual vein drain into?
Internal jugular vein
What is the ultimate destination of lymphatic drainage from the tongue?
Deep cervical nodes
How many pairs of large salivary glands are there?
Three pairs
What is the primary function of the salivary glands?
To keep the mouth moist
Where does the duct of the parotid salivary gland open into the mouth?
Near the upper 2nd molar tooth
What type of secretion does the sublingual gland produce?
Mucous secretion
What is the primary function of the nose and nasal cavity?
To enable the sense of smell
What is the role of the minor glands in the oral cavity?
To maintain oral hygiene
What is the function of the nasal septum?
To divide the nasal cavity into left and right sides
What is the composition of the frame of the external nose?
Cartilage covered by skin
What is the function of the mucosal layer in the nasal cavity?
To trap dust and bacteria
What is the boundary between the nasal cavity and the oral cavity?
Palatine bone
This quiz covers the anatomy of the mouth and throat, including the soft palate, floor of the mouth, and surrounding structures such as the lips and cheeks.
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