ABEM Neuromuscular Disorders & Diagnostic Criteria

Question 1

Which of the following is a hallmark symptom of myasthenia gravis?

Accepted Answer

Fluctuating muscle weakness

Answer

Constant muscle cramps

Answer

Chronic joint pain

Answer

Sensory neuropathy

Question 2

What test is commonly used to diagnose Guillain-Barré Syndrome?

Accepted Answer

Nerve conduction studies

Answer

MRI scan

Answer

Blood glucose test

Answer

X-ray

Question 3

What is a common diagnostic feature of amyotrophic lateral sclerosis (ALS)?

Accepted Answer

Combined upper and lower motor neuron signs

Answer

Only sensory symptoms

Answer

Improved reflexes

Answer

Erythematous rash

Question 4

Which neuromuscular disorder typically shows a decremental response on repetitive nerve stimulation?

Accepted Answer

Myasthenia gravis

Answer

Peripheral neuropathy

Answer

Muscular dystrophy

Answer

Multiple sclerosis

Question 5

What condition is primarily characterized by muscle inflammation and weakness?

Accepted Answer

Polymyositis

Answer

Charcot-Marie-Tooth disease

Answer

Guillain-Barré Syndrome

Answer

Parkinson’s disease

Question 6

In which disorder is muscle biopsy often diagnostic?

Accepted Answer

Muscular dystrophy

Answer

Parkinson’s disease

Answer

Epilepsy

Answer

Cerebral palsy

Question 7

What is a distinguishing clinical sign of Lambert-Eaton Myasthenic Syndrome (LEMS)?

Accepted Answer

Improved strength with activity

Answer

Increasing weakness with use

Answer

Symmetrical spasticity

Answer

Seizures

Question 8

Which of these is a hereditary neuromuscular disorder?

Accepted Answer

Charcot-Marie-Tooth disease

Answer

ALS

Answer

Guillain-Barré Syndrome

Answer

Myasthenia gravis

Question 9

Which disorder presents with facial and distal limb weakness, especially after exertion?

Accepted Answer

Myotonic dystrophy

Answer

Polymyositis

Answer

ALS

Answer

Multiple sclerosis