lab - spinal cord & brain

Question 1

patellar reflex

Answer 1

stimulus: overstretching of quadricep
response: contraction of quadricep
significance: lack of reflex may indicate damage to lumbar region (L2-L4)
- monosynaptic reflex: no neurons involved

Question 2

achilles reflex

Answer 2

stimulus: overstretching of the muscle
response: contraction of the muscle
significance: lack of reflex may indicate damage from L5-S1

Question 3

CSF circulation

Answer 3

choroid plexus -> lateral ventricle -> interventricular foramen -> third ventricle -> cerebral aqueduct -> fourth ventricle -> apertures -> subarachnoid space -> arachnoid villi -> dural sinuses -> venous system