Blood Supply anc CSF

Question 1

Peripheral nervous system blood supply

Answer 1

artery accompanies nerve

- branches will pierce epineurium and supply the neuron

Question 2

Branches of vertebral arteries to spinal cord

Answer 2

anterior spinal artery and posterior spinal artery

Question 3

anterior spinal artery

Answer 3

supplies anterior 2/3 of spinal cord

- motor and sensory

Question 4

posterior spinal artery

Answer 4

two arteries supply the posterior 1/3 of spinal cord

- sensory

Question 5

Internal carotid artery branches to CNS

Answer 5

middle cerebral artery
anterior cerebral artery
anterior choroidal artery

Question 6

middle cerebral artery

Answer 6

supplies lateral part of brain(between temporal and frontal lobes

• most common problem is occlusion
• striate arteries(branches) supply internal capsule and thalamus

Question 7

anterior cerebral artery

Answer 7

supplied by internal carotid

• if blocked, lose motor and sensory to LE
• supplies medial part of hemispheres

Question 8

anterior choroidal artery

Answer 8

supplied by internal carotid, from middle cerebral

• supplies choroid plexus and hippocampus(memory)
  
  • requires steady glucose and oxygen
  • very active during sleep