21. Сavity of the mouth ! What is the diaphragm (floor) of the mouth formed by?



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21. Сavity of the mouth
! What is the diaphragm (floor) of the mouth formed by?

by the paired mylohyoid muscles

#by the paired stilohyoid muscles

by the paired omohyoid muscles

by the genioglossus and hyoglossus muscles
!1 Forming the lateral walls of the vestibule of the mouth

are:


the cheeks

#the lips

the teeth

the palatoglossal arches


! What is the vestibule of the mouth bounded anteriorly by?

by the lips

#by the cheeks

by the palate

by the teeth
!1 The cavity of the mouth is divided into the vestibule of

the mouth and cavity of the mouth proper by means of:

the gums and teeth

#the gums and tongue

the palate

the lips
! The vestibule of the mouth is bounded externally by:

the lips and cheeks

#the gums and teeth

the soft palate

the palatopharyngeal arches


! By means of the fauces the oral cavity communicates with:

the pharynx

#the esophagus

the nasal cavity

the external environment
! The cavity of the mouth is divided into two parts:

the vestibule of the mouth and the cavity of the mouth

proper

#the vestibule of the mouth and the fauces



the oropharynx and the cavity of the mouth proper

the oropharynx and the fauces


! The oral fissure is bounded by:

by the lips

#by the cheeks

by the teeth

by the gums
! The base of the lips is formed by:

the orbicularis oris muscle

#the orbicularis oculi muscle

the buccinator muscle

the zygomaticus major muscle
! The lips are covered on the outside by:

the skin


#the mucous membrane

the serous membrane

the loose areolar tissue
!1 The vestibule of the mouth opens into the external

environment by means of:

the oral fissure (rima oris)

#the fauces

the labial commissures

the cavity of the mouth proper


! What forms a patition between the oral and nasal cavities?

the palate

#the diaphragm of the mouth

the lips


the gums
! What is the muscle situated in the cheek?

the buccinator muscle

#the orbicularis oris muscle

the orbicularis oculi muscle



the uvulae muscle
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