Multiple Sclerosis Certified Specialist Exam Study Guide (Latest 2026/2027 Update) Questions with Verified Solutions |100% Correct.

Multiple Sclerosis Certified Specialist Exam
Study Guide (Latest 2026/2027 Update)
Questions with Verified Solutions |100% Correct.


Question:

Diagnosis of Multiple Sclerosis: i,- i,- i,- i,-




Diagnostic Criteria? i,-




Answer:

MS is a clinical diagnosis because no definitive laboratory test exists.
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Diagnosis of MS is based upon two episodes of neurologic symptoms
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referable to the CNS separated in space (different location in the CNS),
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and time (different point in time for each event).
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The revised McDonald criteria for dissemination in time are detection of
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Gd enhancement at least 3 months after the onset of the first clinical
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event or detection of a new T2 lesion appearing at any time compared
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with a reference scan done at least 30 days after the onset of the initial
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clinical event. i,-




Revised McDonald criteria: i,- i,-




1. Two attacks of disease separated in space and time
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2. Must be no better explanation
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3. Three possible outcomes: Multiple Sclerosis, Possible MS, Not MS
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,4. Monosymptomatic presentation: One attack, One objective clinical
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lesion, MRI evidence i,- i,-




5. Primary Progressive MS: Positive CSF and dissemination in space, MRI
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evidence along with evoked potentials and CSF, Continued progression
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over 1 year i,- i,-




6. Diagnosis should always be made in the clinical context
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7. Paraclinical evidence along with MRI includes cerebrospinal fluid with
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IgG oligoclonal bands
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Question:

Diagnosis of Multiple Sclerosis: i,- i,- i,- i,-




Presenting Clinical Symptoms? i,- i,-




Answer:

Symptomatic disease means neurologic worsening in he form of episodic
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attacks or slow progression.
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The most common presentations are as follows:
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Sensory disturbance such as numbness, paresthesias, pain, or Lhermitte's
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sign (21% to 55% of patients)
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Often begins in the limbs and migrates proximally
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Tingling

Lhermitte's i,-




Neuritic pain i,-

,Diminished vibratory sensation i,- i,-




Impaired position sense i,- i,-




"Useless hand syndrome" i,- i,-




Motor abnormalities:
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Corticospinal (32% to 41%) i,- i,- i,-




Heaviness, weakness, abnormal deep tendon reflexes
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Positive Babinski response
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Spastic limb weaknessi,- i,-




Visual problems:
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Brainstem

Eye movement abnormalities (diplopia nystagmus, internuclear
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ophthalmoplegia)

Optic neuritis (up to 25% of patients)
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Cerebellar gait ataxia limb ataxia tremor
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Question:

Diagnosis of Multiple Sclerosis: i,- i,- i,- i,-




Diagnostic Testing: i,- i,-




Clinical Examination - Components?
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, Answer:

Medical History i,-




Mental Status
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Ophthalmoscopic Exam i,-




Cranial Nerves (see each card for definitions) I-XII
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Motor Assessment (see card)
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Sensory Exam i,-




Cerebellum and Gait i,- i,-




Reflexes



Cerebellar disorders i,-




Question:

Diagnosis of Multiple Sclerosis:
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Diagnostic Testing: Imaging? i,- i,-