Blood Supply of the Brain — Flashcards

Flashcard 1: The labrynthine artery arises from which artery?_____

Answer: AICA>Basilar

Flashcard 2: At the upper border of the pons, the basilar artery divides into two _____ arteries.

Answer: posterior cerebral

Flashcard 3: Superior cerebral veins open into the _____ sinus

Answer: superior sagittal

Flashcard 4: The petrous, cavernous and intracranial parts of the internal carotid artery are called the _____ because of its sigmoid course.

Answer: carotid siphon

Flashcard 5: How many branches are given off by the internal carotid artery (ICA) in its cerebral part? Name them.

Answer: 5 branches::1. Ophthalmic artery 2. Posterior communicating artery 3. Anterior choroidal artery 4. Anterior cerebral artery (terminal) 5. Middle cerebral artery (terminal)

Extra: Mnemonic: **OPAAM** The cerebral (supraclinoid) part of the internal carotid artery begins after it pierces the dural roof of the cavernous sinus and the arachnoid mater. It then divides into its two terminal branches (ACA and MCA) in the vallecula of the lateral cerebral fissure.

Flashcard 6: The most common site for a _____ aneurysm is at the junction of the anterior communicating and anterior cerebral arteries

Answer: berry (saccular)

Flashcard 7: _____ artery forms the main supply of the ventral optic chiasma

Answer: Anterior communicating and internal carotid

Flashcard 8: ID Nucleus: _____

Answer: Dorsal motor nucleus of X - Adjacent and lateral to the hypoglossal nucleus

Flashcard 9: ID Cortical Area: _____

Answer: Wernicke's area (Brodmann area 22)

Flashcard 10: ID Brainstem Level: _____

Answer: Rostral midbrain - Presence of colliculi - Presence of cerebral aqueduct - Presence of cerebral peduncles - Presence of CN III