Blood Supply of the Brain Practice Questions

Question 1

Berry aneurysm most commonly occurs due to?

Accepted Answer

Medial layer and internal elastic lamina defect

Answer

Muscle and adventitial layer defect

Answer

Endothelial injury of vessel due to HTN

Answer

Adventitia defect

Question 2

Not seen in case of hemorrhage in MCA territory is:

Accepted Answer

Urinary incontinence

Answer

Contralateral hemiplegia

Answer

Aphasia

Answer

Dysarthria

Question 3

Thrombosis of which cerebral vessels leads to hemiplegia?

Accepted Answer

Middle cerebral

Answer

Anterior cerebral

Answer

Posterior cerebral

Answer

Not applicable

Question 4

Wallenberg syndrome involves which artery?

Accepted Answer

Posterior inferior cerebellar artery

Answer

Subclavian artery

Answer

Posterior cerebral artery

Answer

Anterior inferior cerebellar artery

Question 5

Ophthalmic artery is a branch of:

Accepted Answer

Cerebral part of ICA

Answer

Cavernous part of ICA

Answer

MCA

Answer

Facial artery

Question 6

Superficial middle cerebral vein drains into -

Accepted Answer

Cavernous sinus

Answer

Internal cerebral vein

Answer

Great cerebral vein of Galen

Answer

Straight sinus

Question 7

Cerebral blood flow is regulated by all, EXCEPT:

Accepted Answer

Potassium ions

Answer

Intracranial pressure

Answer

Cerebral metabolic rate

Answer

Arterial PCO2

Question 8

All of the following take part in the blood supply of the optic chiasm except:

Accepted Answer

Middle cerebral artery

Answer

Anterior cerebral artery

Answer

Anterior communicating artery

Answer

Internal carotid artery

Question 9

During moderate exercise, blood flow to the brain

Accepted Answer

Does not change

Answer

First increase, then decreases

Answer

Increases

Answer

Decreases

Question 10

What does the foramen of Monro connect?

Accepted Answer

Lateral ventricles to third ventricle

Answer

Subarachnoid space

Answer

Central canal

Answer

Third to fourth ventricle

Blood Supply of the Brain — MCQs

Blood Supply of the Brain — MCQs

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