Neurologic/Psychiatric Disorders Flashcards Preview

USMLE Step Two > Neurologic/Psychiatric Disorders > Flashcards

Flashcards in Neurologic/Psychiatric Disorders Deck (93)
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31

gag reflex

CNIX (afferent) and CN X, XI (efferent)
stimulate posterior pharynx with cotton tip and observe for gag

32

biceps reflex

C5

33

brachioradialis reflex

C6

34

triceps reflex

C7

35

finger flexor reflex

C8/T1

36

patellar reflex

L4

37

hip adductor reflex

L3

38

ankle jerk reflex

S1

39

PCA stroke

occipital cortex, visual cortex
contralateral hemianopsia with macular sparing

40

amygdala lesion

kluver-bucy syndrome: hyperorality, hypersexuality, disinhibited behavior

41

friedreich ataxia

progressive ataxia that affects ares more than legs, onset usually in childhood, impaired vibration and position sense

42

slapping gait

dorsal column neuropathy
vitamin B12 deficiecny, tabes dorsalis

43

waddling gait

hip-girdle weakness
muscular atrophy, proximal myopathy, muscular dystrophy

44

simple v. complex seizures

complex seizures have a loss of consciousness, simple seizures do not

45

best predictor of prognosis in astrocytomas

degree of anaplasia

46

first line therapy for delirium in the elderly

haloperidol

47

prion disease that may cause myoclonus

creutzfeldt-jakob disease

48

children under 7 who have a wide array of seizure types accompanied by mental retardation

lennox-gastaut syndrome

49

progression from absence seizures beginning age 10 to myoclonic seizures around age 15 to tonic-clonic seizures around age 16, may be worsened by sleep deprivation

juvenile myoclonic epilepsy

50

cushing's triad for intracranial pressure

bradycardia, bradypnea, hypertension

51

subarachnoid hemorrhage suspected, CT is equivocal, next step

lumbar puncture

52

most common etiologies of bacterial meningitis in adults < 60

streptococcus pneumoniae
neisseria menigitidis
haemophilus influenzae

53

treatment for various side effects of typical antipsychotics

acute dystonia: benztropine
akathisia: benzodiazapine
neuroleptic malignant syndrome: bromocriptine
tardive dyskinesia: irreversible, stop offending agent

54

ipsilateral motor and proprioception loss and contralateral pain loss below the level of the lesion

hemsection of cord

55

burning pain and paralysis in upper extremities, secondary to forced hyperextension type of injury to the neck

central cord syndrome

56

burst fracture of vertebra characterized by total loss of motor function below the level of the lesion, loss of pain and temperature bilaterally

anterior cord syndrome

57

innervation of anterior thigh muscles

femoral nerve

58

nerve that provides sensation to the medial leg (calf)

saphenous branch of femoral nerve

59

innervation of medial thigh muscles

obturator nerve (adduction)

60

innervation of posterior compartment of leg (calf), plantar muscles of foot

tibial nerve (flexion)