nervous system lecture week 2 Flashcards
what is the choroid plexus
network of blood capillaries in the walls of the ventricles that filters the blood plasma into ependymal cells
what are ependymal cells
cells found between the capillaries and the ventricles
what is a dermatome
an area of skin that is supplied by one spinal nerve
what are shingles
- viral infection resulting in painful skin rash
- varicella-zoster virus
what are symptoms of shingles
pain, burning, numbness, fluid filled blisters, itching, fever headache, fatigue
what are some causes of shingles
after chicken pox virus can hide in nervous tissue
what are the risk factors of shingles
people older than 50, weak immune system, cancer treatment,prolonged use of steroids
what are some treatments for shingle
no cure, antiviral drugs, valtrex
what are some complications of shingles
vision loss, skin infections, neurological problems
how do you prevent shingles
chicken pox and shingles vaccine will reduce the risk
In the patellar reflex what receptors are activated where
stretch receptors in the quadriceps
in the achilles reflex what receptors are activated
stretch receptors
in the plantar reflex what is the response
fanning of toes
