Beginner Oral Cavity Quiz

Q1. Into which two main regions is the oral cavity divided?

• Nasopharynx and oropharynx
• Oral vestibule and oral cavity proper
• Buccal space and parotid space
• Hard palate and nasal cavity

Q2. What forms the roof of the oral cavity?

• Mandible and hyoid
• Hard palate and soft palate
• Buccinator and masseter
• Tongue and mylohyoid

Q3. What muscular structure occupies much of the floor of the oral cavity proper?

• Parotid gland
• Tongue
• Epiglottis
• Palatine tonsil

Q4. Which muscle forms the principal muscular diaphragm of the floor of the mouth?

• Masseter
• Mylohyoid
• Sternohyoid
• Temporalis

Q5. What separates the oral vestibule from the oral cavity proper?

• Teeth and gingivae
• Palatine tonsils
• Soft palate alone
• Hyoid bone

Q6. Where does the parotid duct normally open into the oral cavity?

• Behind the palatine tonsil
• Opposite the maxillary second molar
• At the tip of the tongue
• At the sublingual caruncle

Q7. Where does the submandibular duct open?

• Sublingual caruncle
• Parotid papilla
• Palatoglossal arch
• Incisive papilla

Q8. Through which opening does the oral cavity communicate posteriorly with the oropharynx?

• Piriform recess
• Laryngeal inlet
• Choana
• Oropharyngeal isthmus

Q9. Which structures form the lateral walls of the oral vestibule?

• Cheeks
• Palatine tonsils
• Nasal conchae
• Pharyngeal constrictors

Q10. Which part of the palate is bony and immobile?

• Palatoglossal arch
• Uvula
• Hard palate
• Soft palate