Neurology

Question 1

Ascending acute symmetrical lower motor neuron paralysis

Answer 1

Guillain-barre syndrome

Question 2

pattern of paralysis in guillain-barre syndrome

Answer 2

distal spreading proximal

Question 3

Abnormal fatigable weakness of muscle, rapidly weakening with use

Answer 3

myesthenia gravis

Question 4

Cause of myesthenia gravis

Answer 4

complement/antibody autoimmune blockade of Ach receptors

Question 5

Lower motor neuron paralysis with accompanying lymphocytic meningitis; possibly causing respiratory failure due to intercostal muscle paralysis

Answer 5

Poliomyelitis

Question 6

diffuse immunologically mediated connective tissue disorder causing inflammatory change in muscles; insidious onset of difficulty climbing stairs or rising from chair

Answer 6

polymyositis

Question 7

Disseminated acute demyelinating disease with headache, fever, confusion, meningitis associated with multifocal brain and spinal cord signs; flaccid paralysis

Answer 7

acute disseminated encephalomyelitis

Question 8

Nerve roots involved: elbow and forearm extension; pronation and wrist flexion

Answer 8

C5 and C6 nerve roots (Erb palsy)

Question 9

classic porter tip posture

Answer 9

erb palsy (c5 C6)

Question 10

Claw hand deformity

Answer 10

Klumpke paralysis (C8 and T1)

Question 11

Classic triad of miosis, partial ptosis, loss of hemifacial swelling

Answer 11

Horner Syndrome

Question 12

Demyelinating disorder presenting as upper motor neuron signs

Answer 12

multiple sclerosis

Question 13

Upper lobe neoplasm causing pain in arm and shoulder d/t nerve root involvement

Answer 13

Pancoast syndrome

Question 14

Constricted pupil, ptosis, anhydrosis of face

Answer 14

Horner syndrome