Nose & Paranasal Sinuses Anatomy

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What is the primary function of the nose in terms of breathing?

To remove carbon dioxide from the air

To cool down inspired air

To warm and humidify inspired air (correct)

To filter out oxygen from the air

What type of epithelium lines the nasal cavity?

Stratified squamous epithelium

Simple cuboidal epithelium

Columnar epithelium

Pseudostratified epithelium (correct)

Which of the following bones forms the root of the nose?

Maxilla bone only

Frontal, maxilla, and nasal bones (correct)

Frontal bone only

Frontal and maxilla bones

What is the name of the cartilage that forms the apex of the nose?

Major alar cartilage Signup and view all the answers

Which of the following arteries supplies blood to the nose?

Ophthalmic, maxillary, and facial arteries Signup and view all the answers

What is the primary function of the nasal cavity in terms of olfaction?

To detect odors Signup and view all the answers

What is the relationship between the paranasal sinuses and the nasal cavity?

The paranasal sinuses are connected to the nasal cavity Signup and view all the answers

What is the term for pain that is felt in a location other than the site of the original stimulus?

Referred pain Signup and view all the answers

What is the function of the paranasal sinuses in relation to air?

Air warming and filtration Signup and view all the answers

What is the primary way paranasal sinuses form during development?

Through intrinsic growth and invasion of bone Signup and view all the answers

What is the lining of the paranasal sinuses composed of?

Respiratory epithelium (pseudostratified columnar epithelium) Signup and view all the answers

Which of the following sinuses is supplied by branches of the ophthalmic artery?

Frontal sinus Signup and view all the answers

What is the primary function of the olfactory region in the nasal cavity?

To detect odor molecules Signup and view all the answers

What is the connection between the paranasal sinuses and the nasal cavity?

Through passages and apertures called ostia Signup and view all the answers

What is the purpose of the three conchae in the nasal cavity?

To warm and humidify the air Signup and view all the answers

What is the function of the paranasal sinuses in relation to mucus?

Mucus production and storage Signup and view all the answers

What is the characteristic of the walls of the paranasal sinuses?

Bony and hollow Signup and view all the answers

Which nerve provides general sensory supply to the nose?

Trigeminal nerve Signup and view all the answers

Which nerve supplies the maxillary sinuses?

Maxillary nerve Signup and view all the answers

What is the purpose of the hair follicles in the vestibule region?

To protect the nasal cavity from debris Signup and view all the answers

What is the name of the opening that connects the nasal cavity to the pterygopalatine fossa?

Sphenopalatine foramen Signup and view all the answers

What is the function of the paranasal sinuses?

To regulate air pressure Signup and view all the answers

What is the name of the epithelium that lines the olfactory region?

Olfactory epithelium Signup and view all the answers

What is the boundary that separates the left and right nasal cavities?

Nasal septum Signup and view all the answers

What is the primary function of the turbinate bones in the nasal cavity?

To warm and humidify the air we breathe Signup and view all the answers

Where does the ostia for the maxillary sinus open?

In the middle meatus Signup and view all the answers

Why is the maxillary sinus most likely to be infected?

Because its ostia are located in the middle meatus Signup and view all the answers

What is the epithelial lining of the respiratory region of the nasal cavity?

Pseudostratified ciliated Signup and view all the answers

Which structure marks the opening of the frontal, maxillary, and anterior ethmoidal sinuses in the nasal cavity?

Semilunar hiatus Signup and view all the answers

Which cranial bone does the cribriform plate belong to?

Ethmoid Signup and view all the answers

Which of the following bones is an unpaired bone of the nasal septum?

Ethmoid Signup and view all the answers

Which of the following is the largest of the paranasal sinuses?

Maxillary Signup and view all the answers

What is the most common cause of epistaxis in a young adult following facial trauma?

Blunt trauma Signup and view all the answers

Which facial bone is most likely to be involved in a nasal fracture?

Nasal bone Signup and view all the answers

What is the primary role of the vomer in the nasal septum?

Forming the posterior aspect of the nasal septum Signup and view all the answers

Which paranasal sinus is involved in the surgical approach to remove a pituitary adenoma?

Sphenoid sinus Signup and view all the answers

What is the most common type of force involved in a nasal fracture?

Blunt trauma Signup and view all the answers

Nose & Paranasal Sinuses Anatomy

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Questions and Answers

What is the primary function of the nose in terms of breathing?

What type of epithelium lines the nasal cavity?

Which of the following bones forms the root of the nose?

What is the name of the cartilage that forms the apex of the nose?

Which of the following arteries supplies blood to the nose?

What is the primary function of the nasal cavity in terms of olfaction?

What is the relationship between the paranasal sinuses and the nasal cavity?

What is the term for pain that is felt in a location other than the site of the original stimulus?

What is the function of the paranasal sinuses in relation to air?

What is the primary way paranasal sinuses form during development?

What is the lining of the paranasal sinuses composed of?

Which of the following sinuses is supplied by branches of the ophthalmic artery?

What is the primary function of the olfactory region in the nasal cavity?

What is the connection between the paranasal sinuses and the nasal cavity?

What is the purpose of the three conchae in the nasal cavity?

What is the function of the paranasal sinuses in relation to mucus?

What is the characteristic of the walls of the paranasal sinuses?

Which nerve provides general sensory supply to the nose?

Which nerve supplies the maxillary sinuses?

What is the purpose of the hair follicles in the vestibule region?

What is the name of the opening that connects the nasal cavity to the pterygopalatine fossa?

What is the function of the paranasal sinuses?

What is the name of the epithelium that lines the olfactory region?

What is the boundary that separates the left and right nasal cavities?

What is the primary function of the turbinate bones in the nasal cavity?

Where does the ostia for the maxillary sinus open?

Why is the maxillary sinus most likely to be infected?

What is the epithelial lining of the respiratory region of the nasal cavity?

Which structure marks the opening of the frontal, maxillary, and anterior ethmoidal sinuses in the nasal cavity?

Which cranial bone does the cribriform plate belong to?

Which of the following bones is an unpaired bone of the nasal septum?

Which of the following is the largest of the paranasal sinuses?

What is the most common cause of epistaxis in a young adult following facial trauma?

Which facial bone is most likely to be involved in a nasal fracture?

What is the primary role of the vomer in the nasal septum?

Which paranasal sinus is involved in the surgical approach to remove a pituitary adenoma?

What is the most common type of force involved in a nasal fracture?

Which of the following bones is NOT involved in the formation of the nasal septum?

What is the primary reason for surgically removing a pituitary adenoma?

Which of the following is a potential complication of epistaxis?

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