NBR 2 - Clinical Neurology Flashcards
For questions 1 to 7. match the eye movement with the description. Each response may be used once. more than once. or not at all. A. convergence nystagmus B. dissociated nystagmus (internuclear ophthalmoplegia) C. downbeat nystagmus D. impairment of optokinetic nystagmus E. ocular bobbing F. seesaw nystagmus G. spasmus mutans
- a common sign of multiple sclerosis
B. dissociated nystagmus (internuclear ophthalmoplegia)
For questions 1 to 7. match the eye movement with the description. Each response may be used once. more than once. or not at all. A. convergence nystagmus B. dissociated nystagmus (internuclear ophthalmoplegia) C. downbeat nystagmus D. impairment of optokinetic nystagmus E. ocular bobbing F. seesaw nystagmus G. spasmus mutans
- most often associated with large destructive lesions of the
E. ocular bobbing
For questions 1 to 7. match the eye movement with the description. Each response may be used once. more than once. or not at all. A. convergence nystagmus B. dissociated nystagmus (internuclear ophthalmoplegia) C. downbeat nystagmus D. impairment of optokinetic nystagmus E. ocular bobbing F. seesaw nystagmus G. spasmus mutans
- seen exclusively in infants
G. spasmus mutans
For questions 1 to 7. match the eye movement with the description. Each response may be used once. more than once. or not at all. A. convergence nystagmus B. dissociated nystagmus (internuclear ophthalmoplegia) C. downbeat nystagmus D. impairment of optokinetic nystagmus E. ocular bobbing F. seesaw nystagmus G. spasmus mutans
- associated with lesions of the cervicomedullary junction
C. downbeat nystagmus
For questions 1 to 7. match the eye movement with the description. Each response may be used once. more than once. or not at all. A. convergence nystagmus B. dissociated nystagmus (internuclear ophthalmoplegia) C. downbeat nystagmus D. impairment of optokinetic nystagmus E. ocular bobbing F. seesaw nystagmus G. spasmus mutans
- associated with lesions of the parasellar region
F. seesaw nystagmus
For questions 1 to 7. match the eye movement with the description. Each response may be used once. more than once. or not at all. A. convergence nystagmus B. dissociated nystagmus (internuclear ophthalmoplegia) C. downbeat nystagmus D. impairment of optokinetic nystagmus E. ocular bobbing F. seesaw nystagmus G. spasmus mutans
- associated with lesions of the parietal lobe
D. impairment of optokinetic nystagmus
For questions 1 to 7. match the eye movement with the description. Each response may be used once. more than once. or not at all. A. convergence nystagmus B. dissociated nystagmus (internuclear ophthalmoplegia) C. downbeat nystagmus D. impairment of optokinetic nystagmus E. ocular bobbing F. seesaw nystagmus G. spasmus mutans
- associated with lesions of the pineal region
A. convergence nystagmus
- Which of the following is false of seizure foci?
A. Epileptic foci are slower in binding and removing acetylcholine than normal cortex.
B. Firing of neurons in the focus is reflected by periodic spike discharges in the electroencephalogram (EEG).
C. If unchecked, cortical excitation may spread to the subcortical nuclei.
D. Neurons surrounding the focus are initially hyperpolarized and are GABAnergic.
E. The change in seizure discharge from the tonic phase to the clonic phase results from inhibition from the neurons surrounding the focus.
E. The change in seizure discharge from the tonic phase to the clonic phase results from inhibition from the neurons surrounding the focus.
9. An abnormal optokinetic response is more likely to be obtained by rotating the optokinetic nystagmus drum A. away from an oCcipital lobe lesion B. away from a parietal lobe lesion C. toward an occipital lobe lesion D. toward a parietal lobe lesion E. toward a temporal lobe lesion
D. toward a parietal lobe lesion
For questions 10 to 14, match the EEG wave with the description. Each response may be used once more than once or not at all. A. alpha B. beta C. delta D. theta E. 3-per-second spike and wave
- 4 to 7 Hz
D. theta
For questions 10 to 14, match the EEG wave with the description. Each response may be used once more than once or not at all. A. alpha B. beta C. delta D. theta E. 3-per-second spike and wave
- normally may be present over the temporal lobes of the elderly
D. theta
For questions 10 to 14, match the EEG wave with the description. Each response may be used once more than once or not at all. A. alpha B. beta C. delta D. theta E. 3-per-second spike and wave
- recorded from the frontal lobes symmetrically
B. beta
For questions 10 to 14, match the EEG wave with the description. Each response may be used once more than once or not at all. A. alpha B. beta C. delta D. theta E. 3-per-second spike and wave
- associated with absence seizures
B. beta
For questions 10 to 14, match the EEG wave with the description. Each response may be used once more than once or not at all. A. alpha B. beta C. delta D. theta E. 3-per-second spike and wave
- attenuated or abolished with eye opening or mental activity
A. alpha
15. Which of the following drugs is least effective in the treatment of trigeminal neuralgia? A. baclofen B. carbamazepine C. clonazepam D. phenytoin E. ketorolac tromethamine (Toradol)
E. ketorolac tromethamine (Toradol)
- Which of the following is true of papilledema?
A. Absence of venous pulsations is a reliable indicator of papilledema.
B. Pupillary light reflexes remain normal.
C. The congested capillaries derive from the central retinal vein.
D. Unilateral edema of the optic disk is never seen.
E. Visual acuity usually decreases.
B. Pupillary light reflexes remain normal.
neuralgia? I. pain in the throat II. syncope III. pain in the ear IV. bradycardia A. I, II, III B. I, III C. II, IV D. IV E. all of the above
E. all of the above
18. Features of trisomy 13 (Patau's syndrome) include I. microcephaly II. hypertonia III. cleft lip and palate IV. dextrocardia A. I, II, III B. I, III C. II, IV D. IV E. all of the above
E. all of the above
19. Which of the following is not a feature of Parinaud's syndrome? A. dissociated light-near response B. lid retraction C. nystagmus retractorius D. paralysis of upgaze E. third nerve palsy
E. third nerve palsy
- Which of the following is true of tuberculous meningitis?
A. Headache is usually absent.
B. If untreated, the clinical course is self-limited.
C. The inflammatory exudate is confined to the subarachnoid space.
D. The inflammatory exudate is found mainly at the convexities.
E. The protein content ofthe cerebrospinal fluid (CSF) is almost always elevated.
E. The protein content ofthe cerebrospinal fluid (CSF) is almost always elevated.
- Which ofthe following (SF findings is least suggestive of acute multiple sclerosis?
A. an IgG index greater than 1.7
B. increased myelin basic protein
C. increased protein to 200 mg/dL
D. presence of oligoclonal bands
E. slight to moderate monocytic pleocytosis
C. increased protein to 200 mg/dL
- Each of the following is true of myasthenia gravis except
A. A decrementing response to peripheral nerve stimulation is typical.
B. Aminoglycoside antibiotics may worsen the symptoms.
C. Females are more frequently affected in the
D. Females predominate in the subset of patients with a thymoma.
- A defect in mitochondrial DNA is found in each of the following disorders except
A. Kearns-Sayre syndrome
B. Leber’s hereditary optic atrophy
C. Leigh’s subacute necrotizing encephalopathy
D. Mitochondrial myopathy, encephalopathy,lactic acidosis, and stroke (MEIAS)
E. Menkes’ syndrome
E. Menkes’ syndrome
24. Symptoms of spontaneous carotid artery dissection include I. dysgellisia II. eye pain III. tongue weakness IV. Horner's syndrome A. I, II, III B. I, III C. II, IV D. IV E. all of the above
E. all of the above
25. Memory impairment is caused by discrete bilateral lesions of which of the following structures? I. amygdala II. hippocampal formation III. mammillary bodies IV. dorsomedial nuclei of the thalamus A. I, II, III B. I, III C. II, IV D. IV E. all of the above
C. II, IV
26. Genes responsible for cavernous malformations have been mapped to chromosomes A. 1 and 3 B. 3 and 5 C. 3 and 7 D. 4and5 E. 5and7
C. 3 and 7
- Each of the following is characteristic of a diabetic third nerve palsy except that
A. it develops over a few hours
B. it spares the pupil
C. it is usually painless
D. the lesion involves the center of the nerve
E. the prognosis for recovery is good
C. it is usually painless
For questions 28 to 36, provide the best match of the toxicities with the description. Each response may be used once, more than once, or not at all. A. arsenic poisoning B. lead poisoning C. manganese poisoning D. mercury poisoning E. phosphorus poisoning
- transverse white lines in the fingernails
A. arsenic poisoning
For questions 28 to 36, provide the best match of the toxicities with the description. Each response may be used once, more than once, or not at all. A. arsenic poisoning B. lead poisoning C. manganese poisoning D. mercury poisoning E. phosphorus poisoning
- black lines at the gingival margins
B. lead poisoning
For questions 28 to 36, provide the best match of the toxicities with the description. Each response may be used once, more than once, or not at all. A. arsenic poisoning B. lead poisoning C. manganese poisoning D. mercury poisoning E. phosphorus poisoning
- Later symptoms resemble those of Parkinson’s disease.
C. manganese poisoning
For questions 28 to 36, provide the best match of the toxicities with the description. Each response may be used once, more than once, or not at all. A. arsenic poisoning B. lead poisoning C. manganese poisoning D. mercury poisoning E. phosphorus poisoning
- treated with atropine
E. phosphorus poisoning
For questions 28 to 36, provide the best match of the toxicities with the description. Each response may be used once, more than once, or not at all. A. arsenic poisoning B. lead poisoning C. manganese poisoning D. mercury poisoning E. phosphorus poisoning
- Pencillamine is the treatment of choice in the chronic form.
D. mercury poisoning
For questions 28 to 36, provide the best match of the toxicities with the description. Each response may be used once, more than once, or not at all. A. arsenic poisoning B. lead poisoning C. manganese poisoning D. mercury poisoning E. phosphorus poisoning
- characterized by mood changes, tremors, and a cerebellar syndrome
D. mercury poisoning
For questions 28 to 36, provide the best match of the toxicities with the description. Each response may be used once, more than once, or not at all. A. arsenic poisoning B. lead poisoning C. manganese poisoning D. mercury poisoning E. phosphorus poisoning
- treated with ethylenediaminetetraacetic acid (EDTA) and dimercaprol (BAL)
B. lead poisoning
For questions 28 to 36, provide the best match of the toxicities with the description. Each response may be used once, more than once, or not at all. A. arsenic poisoning B. lead poisoning C. manganese poisoning D. mercury poisoning E. phosphorus poisoning
- increased excretion of urinary coproporphyrin
B. lead poisoning
For questions 28 to 36, provide the best match of the toxicities with the description. Each response may be used once, more than once, or not at all. A. arsenic poisoning B. lead poisoning C. manganese poisoning D. mercury poisoning E. phosphorus poisoning
- Diagnosis can be made by the examination of hair samples.
A. arsenic poisoning
- Which of the following is not a characteristic of Adie’s syndrome?
A. degeneration of the ciliary ganglia and postganglionic parasympathetics
B. more common in women than in men
C. no reaction to 0.1% pilocarpine solution
D. paralysis of segments of the pupillary sphincter
E. Pupil responds better to near than to light.
C. no reaction to 0.1% pilocarpine solution
38. Characteristics of infantile seizures include I. lip smacking II. hypsarrythmia III. generalized tonic-clonic activity IV. myoclonic head jerks A. I, II, III B. I, III C. II, IV D. IV E. all of the above
C. II, IV
For questions 39 to 42, match the disease with the description. Each response may be used once, more than once, or not at all. A. myasthenia gravis B. myasthenic syndrome of Eaton-Lambert C. both D. neither
- Muscles of the trunk and lower extremities are more frequently involved than the extraocular muscles.
B. myasthenic syndrome of Eaton-Lambert
For questions 39 to 42, match the disease with the description. Each response may be used once, more than once, or not at all. A. myasthenia gravis B. myasthenic syndrome of Eaton-Lambert C. both D. neither
- Poor response to anticholinesterase drugs
B. myasthenic syndrome of Eaton-Lambert
For questions 39 to 42, match the disease with the description. Each response may be used once, more than once, or not at all. A. myasthenia gravis B. myasthenic syndrome of Eaton-Lambert C. both D. neither
- An incrementing response (marked increase in the amplitude of the action potential with.,fast rates of nerve stimulation) is typical.
B. myasthenic syndrome of Eaton-Lambert
For questions 39 to 42, match the disease with the description. Each response may be used once, more than once, or not at all. A. myasthenia gravis B. myasthenic syndrome of Eaton-Lambert C. both D. neither
- associated with antibodies to the presynaptic voltage-dependent calcium channel
B. myasthenic syndrome of Eaton-Lambert
43. The dorsal scapular nerve innervates the I. supraspinatus II. rhomboids III. subscapularis IV. levator scapulae A. I, II, III B. I, III C. II, IV D. IV E. all of the above
C. II, IV
For questions 44 to 50, match the peripheral nerve with the muscle it innervates. Each response may be used once, more than once, or not at all. A. axillary nerve B. dorsal scapular nerve C. subscapular nerve D. suprascapular nerve E. none of the above
- teres major
C. subscapular nerve
For questions 44 to 50, match the peripheral nerve with the muscle it innervates. Each response may be used once, more than once, or not at all. A. axillary nerve B. dorsal scapular nerve C. subscapular nerve D. suprascapular nerve E. none of the above
- teres minor
A. axillary nerve
For questions 44 to 50, match the peripheral nerve with the muscle it innervates. Each response may be used once, more than once, or not at all. A. axillary nerve B. dorsal scapular nerve C. subscapular nerve D. suprascapular nerve E. none of the above
- subscapularis
C. subscapular nerve
For questions 44 to 50, match the peripheral nerve with the muscle it innervates. Each response may be used once, more than once, or not at all. A. axillary nerve B. dorsal scapular nerve C. subscapular nerve D. suprascapular nerve E. none of the above
- levator scapulae
B. dorsal scapular nerve
For questions 44 to 50, match the peripheral nerve with the muscle it innervates. Each response may be used once, more than once, or not at all. A. axillary nerve B. dorsal scapular nerve C. subscapular nerve D. suprascapular nerve E. none of the above
- supraspinatus
D. suprascapular nerve
For questions 44 to 50, match the peripheral nerve with the muscle it innervates. Each response may be used once, more than once, or not at all. A. axillary nerve B. dorsal scapular nerve C. subscapular nerve D. suprascapular nerve E. none of the above
- infraspinatus
D. suprascapular nerve
For questions 44 to 50, match the peripheral nerve with the muscle it innervates. Each response may be used once, more than once, or not at all. A. axillary nerve B. dorsal scapular nerve C. subscapular nerve D. suprascapular nerve E. none of the above
- rhomboids
B. dorsal scapular nerve
- The motor unit potential in myopathy is of
A. decreased voltage and decreased duration
B. decreased voltage and increased duration
C. decreased voltage and normal duration
D. normal voltage and decreased duration
E. normal voltage and increased duration
A. decreased voltage and decreased duration
- Which is true of myotonic dystrophy?
A. Frontal balding occurs only in men.
B. Lens abnormalities are rare.
C. The congenital form is inherited only from the maternal line.
D. The inheritance is autosomal recessive.
E. Weakness always predates the myotonia.
C. The congenital form is inherited only from the maternal line.
53. Subacute combined degeneration of the spinal cord is caused by a deficiency of A. cobalamin B. folic acid C. nicotinic acid D. pyridoxine E. thiamine
A. cobalamin
54. The marker linked to the Huntington gene is localized to the short arm of chromosome A. 4 B. 11 C. 17 D. 22 E. none of the above
A. 4
- Alexia without agraphia is most likely to occur with a lesion involving the
A. left geniculocalcarine tract and corpus callosum
B. left geniculocalcarine tract and Wernicke’s area
C. left geniculocalcarine tract, corpus callosum, and Wernicke’s area
D. right geniculocalcarine tract and corpus callosum
E. right geniculocalcarine tract and Wernicke’s area
A. left geniculocalcarine tract and corpus callosum
- Deviation of the eyes to the right is most likely to occur with occlusion of the
A. calcarine artery bilaterally
B. calcarine artery on the contralateral side
C. contralateral paramedian branch of the basilar artery
D. ipsilateral superior cerebellar artery
E. superior division of the contralateral middle cerebral artery
C. contralateral paramedian branch of the basilar artery
57. Which of the following antiepileptic drugs has the shortest half-life? A. carbamazepine B. ethosuximide C. phenobarbital D. phenytoin E. valproate
E. valproate
For questions 58 to 60, match the description with the disease. A. amyotrophic lateral sclerosis B. syringomyelia C. both D. neither
- weakness and atrophy of the hands
C. both
For questions 58 to 60, match the description with the disease. A. amyotrophic lateral sclerosis B. syringomyelia C. both D. neither
- hypo- or arettexia
B. syringomyelia
For questions 58 to 60, match the description with the disease. A. amyotrophic lateral sclerosis B. syringomyelia C. both D. neither
- absence of sensory changes
A. amyotrophic lateral sclerosis
- Biochemical studies of neurons from a seizure focus have shown all of the following except
A. increased levels of extracellular potassium in glial scars near seizure foci
B. decreased rate of binding and removing acetylcholine in the foci
C. deficiency of r-aminobutyric acid (CABA)
D. decreased glycine levels
E. decreased taurine levels
D. decreased glycine levels
- The most reliable indicator of an intracellular cobalamin (vitamin B12) deficiency is
A. low vitamin B12 on a microbiologic assay
B. low vitamin B12 on a radioisotope dilution assay
C. low vitamin B12 on a Schilling test
D. the finding of hypersegmented polymorphonuclear neutrophil leukocytes (PMN) in bone marrow smears
E. the finding of increased serum concentration of methylmalonic acid and homocysteine
E. the finding of increased serum concentration of methylmalonic acid and homocysteine
- Each of the following is true of radiation myelopathy (delayed progressive type) except
A. Absence of pain is typical early in the course.
B. It occurs 12 to 15 months after radiation.
C. Magnetic resonance imaging (MRI) shows abnormal signal intensity; decreased on T1 and increased on T2.
D. Sensory changes usually develop after motor changes.
E. The most severe parenchymal changes are typical of infarction.
D. Sensory changes usually develop after motor changes.
64. Fasciculation potentials indicate A. motor nerve fiber irritability B. motor nerve fiber destruction C. motor unit denervation D. muscle atrophy E. reinnervation of muscle units
A. motor nerve fiber irritability
For questions 65 to 70, match the description with the potential. A. fasciculation potential B. fibrillation potential C. both D. neither
- di- or triphasic pattern
B. fibrillation potential
For questions 65 to 70, match the description with the potential. A. fasciculation potential B. fibrillation potential C. both D. neither
- 5 to 15 ms in duration
A. fasciculation potential
For questions 65 to 70, match the description with the potential. A. fasciculation potential B. fibrillation potential C. both D. neither
- may take the form of positive sharp waves
B. fibrillation potential
For questions 65 to 70, match the description with the potential. A. fasciculation potential B. fibrillation potential C. both D. neither
- seen in poliomyelitis
C. both
For questions 65 to 70, match the description with the potential. A. fasciculation potential B. fibrillation potential C. both D. neither
- usually develops 24 to 36 hours after the death of an axon
D. neither
For questions 65 to 70, match the description with the potential. A. fasciculation potential B. fibrillation potential C. both D. neither
- may be visible through the skin
A. fasciculation potential
- What characteristics of motor unit potentials are typical soon after reinnervation?
A. prolonged, high amplitude, and polyphasic
B. prolonged, low amplitude, and polyphasic
C. shortened, high amplitude, and polyphasic
D. shortened, low amplitude, and polyphasic
E. none of the above
B. prolonged, low amplitude, and polyphasic
- Which of the following ocular findings is not seen in myasthenia gravis?
A. abnormal pupillary response to accommodation
B. normal pupillary response to light
C. weakness of extraocular muscles
D. weakness of eye closure
E. weakness of eye opening
A. abnormal pupillary response to accommodation
73. Risk factors for carpal tunnel syndrome include I. acromegaly II. amyloidosis III. hypothyroidism IV. pregnancy A. I, II, III B. I, III C. II, IV D. IV E. all of the above
E. all of the above
- Which of the following is true of neurologic findings in sarcoidosis?
A. Cranial nerve VI is most frequently involved.
B. Sarcoidosis occurs in 25% of cases of sarcoid.
C. Polydipsia, polyuria, somnolence, and obesity are common features.
D. The granulomatous infiltration is most prominent over the hemispheres.
E. Visual disturbances are usually secondary to lesions in the occipital cortex.
C. Polydipsia, polyuria, somnolence, and obesity are common features.
- All of the following are associated with narcolepsy except
A. increased total number of hours per day spent sleeping
B. cataplexy.
C. hypnagogic hallucinations
D. sleep paralysis
E. sleep patterns beginning with the rapid eye movements (REM) stage
A. increased total number of hours per day spent sleeping
- Which of the following signs or symptoms occurring in a young person is the most suggestive of multiple sclerosis?
A. bilateral internuclear ophthalmoplegia
B. gait ataxia
C. Lhermitte’s sign
D. optic neuritis
E. vertigo
A. bilateral internuclear ophthalmoplegia
77. The muscles most often involved in thyroid ophthalmopathy are the A. inferior, superior, and medial recti B. inferior rectus and superior oblique C. lateral and superior recti D. lateral rectus and superior oblique E. medial rectus and inferior oblique
A. inferior, superior, and medial recti
78. Most cases of "idiopathic" hemifacial spasm are thought to result from A. ephaptic transmission B. hypersensitivity of facial muscles C. hypocalcemia D. psychiatric disorders E. recurrence of latent viral infection
A. ephaptic transmission
- The diagnosis of neurosarcoidosis is based on
A. biopsy evidence of sarcoid granulomas in non-central nervous system (CNS) tissue and neurologic findings
B. computed tomography (CT) scan showing meningeal involvement
C. increased sedimentation rate and hyperglobulinemia
D. increased serum levels of angiotensin-converting enzyme
E. MRl findings of periventricular and white matter changes
A. biopsy evidence of sarcoid granulomas in non-central nervous system (CNS) tissue and neurologic findings
For questions 80 to 84, match the paraneoplastic syndrome with the description. Each response may be used once, more than once, or not at all. A. limbic encephalitis B. Eaton-Lambert syndrome C. Moersch-Woltman (stiff-man) syndrome D. opsoclonus-myoclonus E. sensory neuropathy
- seen most often in children with neuroblastoma
D. opsoclonus-myoclonus
For questions 80 to 84, match the paraneoplastic syndrome with the description. Each response may be used once, more than once, or not at all. A. limbic encephalitis B. Eaton-Lambert syndrome C. Moersch-Woltman (stiff-man) syndrome D. opsoclonus-myoclonus E. sensory neuropathy
- anti-Hu antibodies
E. sensory neuropathy
For questions 80 to 84, match the paraneoplastic syndrome with the description. Each response may be used once, more than once, or not at all. A. limbic encephalitis B. Eaton-Lambert syndrome C. Moersch-Woltman (stiff-man) syndrome D. opsoclonus-myoclonus E. sensory neuropathy
- anti-Ri antibodies
D. opsoclonus-myoclonus
For questions 80 to 84, match the paraneoplastic syndrome with the description. Each response may be used once, more than once, or not at all. A. limbic encephalitis B. Eaton-Lambert syndrome C. Moersch-Woltman (stiff-man) syndrome D. opsoclonus-myoclonus E. sensory neuropathy
- autoantibodies to voltage-gated calcium channels
B. Eaton-Lambert syndrome
For questions 80 to 84, match the paraneoplastic syndrome with the description. Each response may be used once, more than once, or not at all. A. limbic encephalitis B. Eaton-Lambert syndrome C. Moersch-Woltman (stiff-man) syndrome D. opsoclonus-myoclonus E. sensory neuropathy
- autoantibodies to glutamic acid decaboxylase
C. Moersch-Woltman (stiff-man) syndrome
For questions 85 to 88, match the vascular syndrome with the description. Each response may be used once, more than once, or not at all.
A. basilar syndrome
B. lateral medullary syndrome (vertebral or posteroinferior cerebellar artery [PICA] occlusion)
C. lateral superior pontine syndrome (superior cerebellar artery occlusion)
D. medial medullary occlusion
E. none of the above
- contralateral hemiparesis sparing the face, contralateral loss of position and vibration sense, ipsilateral paralysis, and atrophy of the tongue
D. medial medullary occlusion
For questions 85 to 88, match the vascular syndrome with the description. Each response may be used once, more than once, or not at all.
A. basilar syndrome
B. lateral medullary syndrome (vertebral or posteroinferior cerebellar artery [PICA] occlusion)
C. lateral superior pontine syndrome (superior cerebellar artery occlusion)
D. medial medullary occlusion
E. none of the above
- contralateral pain and temperature loss in the body, ipsilateral Homer’s syndrome, ipsilateral ataxia, ipsilateral paralysis of the palate and vocal cords, and ipsilateral pain and numbness in the face
B. lateral medullary syndrome (vertebral or posteroinferior cerebellar artery [PICA] occlusion)