The nose

Question 1

What is the nose made up of?

Answer 1

Cartilage, maxillae, frontal and nasal bones

Question 2

What is the nasal septum composed of?

Answer 2

Perpendicular plate of ethmoid bone, vomer bones and seotal cartilage

Question 3

Name the paranasal air sinuses

Answer 3

Frontal, ethmoidal, sphenoidal, maxillary

Question 4

How can toothache affect paranasal sinuses?

Answer 4

Infections of the roots of the upper teeth may cause the maxillary sinus to become inflamed

Question 5

What enters into the superior meatus?

Answer 5

Sphenoidal sinus and anterior ethmoidal sinus

Question 6

What enters into the middle meatus?

Answer 6

Frontal sinus, maxillary sinus and middle&posterior ethmoidal

Question 7

What enters into the inferior meatus?

Answer 7

Nasolacrimal duct

Question 8

What is the nerve supply of the nasal cavity?

Answer 8

Special sense (smell) by olfactory nerve (CNI)
General sensation of posterior by maxillary branch and anteriorsuperiorly by nasociliary of opthalmic branch
Sympathetic from carotid plexus
Parasym from pterygopalatine ganglion

Question 9

Describe the blood supply of the nose

Answer 9

Maxillary artery (by sphenopalatine foramen)
Opthalmic artery (ethmoidal a.) (by cribirform plate)
Facial artery