Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
31 Cards in this Set
- Front
- Back
|
1. What are the four main arteries that supply the brain?
|
a. 2 internal carotid
b. Two vertebral |
|
|
2. What gives rise to the posterior supply of blood to the CNS? Anterior?
|
a. Post: vertebral
b. Ant: carotid |
|
|
3. What are the 4 arteries that come off the internal carotid
|
a. Anterior cerebral artery
b. Middle cerebral artery c. Anterior choroidal artery d. Posterior communicating artery |
|
|
4. What are the large cerebral vessels?
|
a. Middle, anterior, and posterior cerebral arteries
|
|
|
5. How does the communicating artery project, what does it form?
|
a. Caudally
b. Circle of Willis |
|
|
6. Anterior choroidal artery supplies?
|
optic tract (lesion effect?)
b. Choroid plexus c. Hippocampus d. Posterior limb of internal capsule e. Posterior medial portion of globus pallidus |
|
|
8. Trace blood starting with the vertebral artery
|
a. 2 vertebral arteries
i. Ascend neck 1. Enter skull through foramen magnum a. Give rise to : i. Anterior and posterior spinal arteries ii. Posterior inferior cerebellar artery (PICA) b. Then unite at caudal pons to form basilar artery |
|
|
9. What do the anterior and posterior spinal arteries supply?
|
a. Medulla and spinal cord
|
|
|
i. Anterior spinal artery supplies?
|
midline of anterior medulla blood supply
1. This is where the pyramids are |
|
|
10. What does PICA supply?
|
a. Supplies the posterior inferior cerebellum and lateral medulla
|
|
|
11. What comes off the basilar artery?
|
Pontine arteries: pons
AICA: CN, 6, 7, 8, cerebellum and pons Superior Cerebellar: superior cerebellum Posterior Cerebral A |
|
|
a. Pontine artery
|
i. Supply the pons
|
|
|
b. Anterior inferior cerebellar arteries (AICA)
|
i. CN 6, 7, 8 supply
ii. Supply the anterior inferior cerebellum and parts of the pons |
|
|
c. Superior cerebellar arteries
|
i. Supply the superior half of the cerebellum, TRIGEMINAL AS WELL
|
|
|
12. Where does the anterior cerebral artery travel? and thus suppy
|
a. Mainly along the medial surface of the brain form an arch over the corpus callosum
|
|
|
13. What does the ACA supply?
|
a. Medial 1/3rd poritions of frontal and parietal lobes
b. Anterior corpus callosum c. Parts of basal ganglia i. Anterior tip of neostriatum (caudate/putamen) d. Anterior limb of internal capsule e. Northcarolina Always Plays For ACC |
|
|
14. Where does the MCA emerge?
|
a. The Sylvian fissure
|
|
|
Where does the MCA get most of its blood supply?
|
b. Gets 70% of internal carotid blood flow
|
|
|
15. What does the MCA supply?
|
Temporal Pole
Striate Arteries Anterior Limb of internal capsule TP SomeAsshole's Apartment |
|
|
what is the supply for the striate arteries and what are there clinical importance?
|
MCA
come off MCA at 90 angle easily cut if head is hit hard supplies basal ganglia (so you see motor problems) |
|
|
16. Where does the PCA arise?
|
a. From basilar artery (when it splits)
|
|
|
17. What does the PCA supply
|
a. Occipital lobe and Diencephalon are the biggies
b. Splenium (tail end of corpus callosum, conducts visual fibers) c. Medial temporal lobe ALSO CRANIAL NERVE CNIII MS. DO |
|
|
18. If you see the GPm and Thalamus, what limb are you going to see? (anterior/posterior)
|
a. Posterior limb
|
|
|
20. What makes up the circle of Willis
|
a. 2 posterior cerebral arteries
b. 2 posterior communicating arteries c. 2 internal carotid arteries d. 2 anterior cerebral arteries e. 1 anterior communicating artery |
|
|
21. What does the circle of willis encircle?
|
a. Optic chiasm and floor of hypothalamus and midbrain
|
|
|
22. If you have a patient with Sudden neurologic problems + headaches what will you frequently find?
|
a. Circle of Willis aneurism
|
|
|
a. Circle of Willis aneurism
|
a. Anterior cerebral artery
|
|
|
24. What supplies most of the basal ganglia?
|
a. MCA (striate arteries)
|
|
|
25. What supplies medial GP and tail end of caudate?
|
a. Anterior choroidal artery
|
|
|
26. What supplies the thalamus?
|
a. PCA
|
|
|
29. Superior cerebellar artery runs by what?
|
a. The trigeminal nerve
b. Thus if it is inflamed it can activate the trigeminal nerve giving EXTREME pain in the face |
