circle of willis

Question 1

constituents of circle of willis

Answer 1

anterior cerebral artery
anterior communicating artery
internal carotid artery
middle cerebral artery
posterior cerebral artery
posterior communicating artery

Question 2

anterior cerebral artery supplies

Answer 2

Orbital surface of frontal lobe, medial aspect of hemisphere (except occipital lobe), upper border of frontal & parietal lobes

Question 3

anterior communicating artery supplies

Answer 3

supplies blood to medial and superior parts of frontal lobe and anterior of parietal lobe

Question 4

middle cerebral artery supplies

Answer 4

supplies most of temporal lobe, anterolateral frontal lobe parietal lobe, branches supply posterior limb of internal capsule

Question 5

posterior communicating artery supplies

Answer 5

thalamus, hypothalamus, optic chiasm and mamillary bodies
posterior communicating artery and posterior cerebral artery from vertebrobasilar system linking internal carotid artery with vertebrobasilar system

Question 6

posterior cerebral artery supplies

Answer 6

supplies occipital lobe, inferior part of temporal lobe, thalamus, and posterior limb of internal capsule

Question 7

location of ophthalmic nerve

Answer 7

Location - forehead and scalp, frontal and ethmoid sinus, upper eyelid, conjunctiva and cornea

Question 8

location of maxillary nerve

Answer 8

lower eyelid, conjunctiva, cheeks, maxillary sinus, upper lip and superior palate.

Question 9

location of mandibular nerve

Answer 9

mucous membrane of floor of oral cavity, external ear, lower lip, chin.