Nerves

Question 1

Action Potential Pic

Answer 1

Slide 49

Question 2

Propagation of a Neural Impulse

Answer 2

3 Steps & Pic Slide 51/52

Question 3

Multiple Sclerosis

Answer 3

an autoimmune disease in which auto-reactive T cells cross the blood-brain barrier and attack the myelin sheath leading to a cascade of inflammation.
Two most common types: primary progressive & relapsing-remitting

Question 4

MS causes

Answer 4

autoimmune factors, virus triggers, possible genetic predisposition, various forms of physical trauma

Question 5

MS Symptoms

Answer 5

Weakness, numbness, loss of balance, loss of coordination, bowel and bladder dysfunction, muscle spasticity, optic nerve neuritis

Question 6

MS Therapies

Answer 6

immunomodulator drugs
immunosuppressants
weakness therapies
spasticity therapies
tremor therapies
visual problem therapies

Question 7

Parkinson’s

Answer 7

loss of production of the neurotransmitter dopamine in the basal ganglia -> balance disruption between dopamine & ACH -> dec voluntary movement control

Question 8

Parkinson’s Causes

Answer 8

free radical damage, toxins, age related drop in dopamine producing neurons, genetics, repeated head trauma, illegal drug use, hydrocephalus, viral encephalitis

Question 9

Parkinson’s Symptoms

Answer 9

resting tremor, “pill rolling” motion, bradykinesia, rigidity, postural instability, difficulty rising from sitting, shuffling gait

Question 10

Parkinson’s Treatments

Answer 10

Levodopa
dopamine agonists 
DBS surgery
Monoamine Oxidase B inhibitors 
Embryonic Tissue transplantation