Nose and nasopharynx

Question 1

Main functions of the nose?

Answer 1

Trap dirt and pathogens
Humidify and warm air
Olfaction 
Respiration 
Drainage and aeration of middle ear, paranasal sinuses and lacrimal duct

Question 2

Two main parts of the nose?

Answer 2

External nose

Nasal cavity

Question 3

Floor of nasal cavity is formed by?

Answer 3

Hard palate

Soft palate

Question 4

Turbinates in the nose?

Answer 4

Superior turbinate
Middle turbinate
Inferior turbinate

Question 5

Midline nasal septum formed by?

Answer 5

Ethmoid bone
Vomer bone
Septal cartilage

Question 6

Blood supply to the nose is from?

Answer 6

Internal carotid artery

External carotid artery

Question 7

Main nerve supply to the nose?

Answer 7

Trigeminal nerve

Question 8

Branches of trigeminal nerve which supply the nose?

Answer 8

Ophthalmic branch

Maxillary branch

Question 9

Part of nasal cavity formed by palate?

Answer 9

Floor

Question 10

Cranial bones containing paranasal sinuses?

Answer 10

Ethmoid
Sphenoid
Frontal
Maxilla

Question 11

Superior and middle concha are formed by?

Answer 11

Ethmoid bone

Question 12

Structures passing through cribriform plate?

Answer 12

Axons of olfactory nerve

Question 13

Anteriorly, the crista gali attaches to?

Answer 13

Falx cerebri

Question 14

Space above superior nasal concha?

Answer 14

Sphenoethmoidal recess

Question 15

Structure emptying into inferior meatus?

Answer 15

Nasolacrimal duct

Question 16

Empties into sphenoethmoidal recess?

Answer 16

Spenoid sinus

Question 17

Bones containing paranasal sinuses?

Answer 17

Sphenoid
Ethmoid
Frontal
Maxilla

Question 18

Maxillary sinus empties into?

Answer 18

Middle meatus

Question 19

Nerve supply to Maxillary sinus?

Answer 19

Maxillary branch of trigeminal nerve

Question 20

Nerve supply to frontal sinus?

Answer 20

Ophthalmic branch of trigeminal nerve

Question 21

Most commonly infected sinus?

Answer 21

Maxillary

Question 22

Bone forming roof of nasopharynx?

Answer 22

Sphenoid bone

Question 23

Opening in nasopharynx lying in line with nasal floor?

Answer 23

Orifice of eustachian canal

Question 24

Muscle lying posterior to orifice of eustachian canal?

Answer 24

Salpingopharyngeus

Question 25

Collections of lymphoid tissue in nasopharynx?

Answer 25

Adenoids (nasopharyngeal tonsils)

Question 26

Respiratory epithelium is what type?

Answer 26

Pseudostratified ciliated columnar epithelium with interspersed goblet cells

Question 27

Nerve supply to roof of nose?

Answer 27

Olfactory nerve (olfactory mucosa)

Question 28

Air filled extensions from nasal cavity into the bony skull?

Answer 28

Paranasal sinuses

Question 29

Functions of paranasal sinuses?

Answer 29

Reduce the weight of the skull
Aid in humidifying inspired air
Aid in vocal resonance

Question 30

Structures emptying into middle meatus?

Answer 30

Maxillary sinuses
Frontal sinuses
Anterior ethmoidal air cells
Middle ethmoidal air cells

Question 31

Structure emptying into superior meatus?

Answer 31

Posterior ethmoidal air cells

Question 32

Nerve supply to sphenoid sinus?

Answer 32

Maxillary and ophthalmic branches of trigeminal nerve

Question 33

Three parts of the pharynx?

Answer 33

Nasopharynx
Oropharynx
Laryngopharynx