Anatomy of the Nasal and Oral Cavities

Professor Bob Long provides a detailed lecture on the anatomy of the nasal and oral cavities, the pharynx, larynx, and trachea. He explains the structures within these areas, such as the nasal concha, meatus, and tonsils, and their functions. The lecture is intended for students at Del Mar College, but it offers valuable insights into human anatomy for anyone interested. The video emphasizes the importance of understanding these structures for academic assessments.

What is the primary focus of Professor Long's lectures?

• To provide a general overview of anatomy and physiology.

• To prepare students for medical school.

• To offer online courses for global students.

• To teach students enrolled in his courses at Del Mar College.

What is the function of the nasal conchae?

• To connect the nasal cavity to the throat.

• To support the nasal structure.

• To create turbulence and filter air.

• To produce mucus.

What is the lingual frenulum?

• A bone in the nasal cavity.

• A muscle in the throat.

• A tissue connecting the tongue to the mouth floor.

• A part of the larynx.

What separates the nasal and oral cavities?

• The larynx

• The epiglottis

• The palate

• The uvula

Which part of the pharynx is connected to the nasal cavity?

• Nasopharynx

• Laryngopharynx

• Esophagus

• Oropharynx

What is the role of the epiglottis?

• To close the glottis during swallowing.

• To filter air.

• To connect the nasal and oral cavities.

• To produce sound.

What is the opening from the oral cavity into the pharynx called?

• Meatus

• Fosses

• Glottis

• Nares

What is the function of the tonsils?

• To support the throat structure.

• To act as lymph nodes and fight infections.

• To produce saliva.

• To aid in digestion.

Which tonsil is also known as the adenoid?

• Tonsillar ring

• Pharyngeal tonsil

• Lingual tonsil

• Palatine tonsil

What is the primary function of the pharyngeal tympanic tube?

• To support the larynx.

• To produce mucus.

• To connect the nasal cavity to the ear.

• To aid in swallowing.