MS COMPREHENSIVE TEST BANK 2026
VERIFIED QUESTIONS AND ANSWERS
● What are the possible courses of MS? Answer: Stable for years
Progressive
Rapidly debilitating
● What is myelin? Answer: Insulating sheath around nerves in brain
and spinal cord
Helps nerve signals travel fast and clearly
Like rubber coating on electrical wires
● What happens to myelin in MS? Answer: Immune system causes
inflammation
Myelin gets damaged (demyelination)
Signals become slow, distorted, or blocked
● What symptoms result from demyelination? Answer: 👁 Vision
problems
Weakness
Paresthesia (tingling/numbness)
, Cognitive issues
Poor coordination and balance
● What are plaques or lesions in MS? Answer: Areas of
inflammation and myelin damage
Contain edema
Include axonal injury
🛡 Associated with blood-brain barrier damage
● What is demyelination? Answer: Loss or damage of myelin
Causes slow or blocked nerve signals
● What is paresthesia? Answer: Pins and needles sensation
Tingling
Numbness
● How is MS diagnosed? Answer: No single lab test
Medical history
Neurological exam
MRI
VERIFIED QUESTIONS AND ANSWERS
● What are the possible courses of MS? Answer: Stable for years
Progressive
Rapidly debilitating
● What is myelin? Answer: Insulating sheath around nerves in brain
and spinal cord
Helps nerve signals travel fast and clearly
Like rubber coating on electrical wires
● What happens to myelin in MS? Answer: Immune system causes
inflammation
Myelin gets damaged (demyelination)
Signals become slow, distorted, or blocked
● What symptoms result from demyelination? Answer: 👁 Vision
problems
Weakness
Paresthesia (tingling/numbness)
, Cognitive issues
Poor coordination and balance
● What are plaques or lesions in MS? Answer: Areas of
inflammation and myelin damage
Contain edema
Include axonal injury
🛡 Associated with blood-brain barrier damage
● What is demyelination? Answer: Loss or damage of myelin
Causes slow or blocked nerve signals
● What is paresthesia? Answer: Pins and needles sensation
Tingling
Numbness
● How is MS diagnosed? Answer: No single lab test
Medical history
Neurological exam
MRI