QUESTIONS AND CORRECTLY
ANSWERED SOLUTIONS
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GUIDE 2025 .
,1. A 67yo man with a hx of HTN, DM, HLD, and smoking presents to the ED. CC of persistent dizziness q1week that
has become so severe he now has double vision, N/V. His wife tells you she noticed a L facial droop and slurring. Pt
reports weakness in L arm and leg. He denies HA or SZ. Head CT was negative for acute bleed. Upon returning to
the room he has become increasingly obtunded and difficult to arouse. You notice he now has a nystagmus and
slightly dysconjugate gaze. His exam appears to be worsening now with R/L extremity weakness in addition to his
L hemiparesis. What type of stroke syndrome are you concerned he may be having?
a. Wallenberg's stroke
b. Dissection of the R internal carotid artery
c. acute basilar artery occlusion
d. Superior cerebellar artery stroke ANSWER c
2. You are assessing a 35yo M who has been in a motor vehicle crash, and during the exam you notice he has
some abnormal eye exam findings and weakness in the R arm and leg (arm more than leg). He has droopiness of
the L eyelid and his pupils are unequal. The L pupil is 3mm in diameter and the right is 5MM. Both pupils are
round and reactive to light. Although it is a hot, humid day, he is not sweating from the heat. What stroke
syndrome do you suspect your patient is experiencing?
a. Weber's syndrome
b. Amaurosis fugax
c. Locked-in syndrome
d. Horner's syndrome ANSWER d
3. What is a possible cause of Horner's syndrome?
a. Occlusion of the MCA
b. Dissection of the L ICA
c. Dissection of the R ICA
d. ACA stroke ANSWER b
4. a patient presents with central retinal artery occlusion. As you evaluate the neuroimaging, you recognize that
the most likely etiology is artery-to-throm- bosis from which artery?
a. Basilar artery
b. Middle cerebral artery
, c. Posterior inferior cerebellar artery
d. Carotid artery ANSWER d
5. A patient is admitted to the emergency department with acute symptoms of hemiparesis, hemi-sensory loss, gaze
preference, and aphasia. Which vessel do you suspect is involved in the stroke?
a. ACA
b. MCA
c. PCA
d. PICA ANSWER b
6. What cluster of symptoms is consistent with Weber's syndrome?
a. Ipsilateral cranial nerve 3 palsy, contralateral hemiparesis
b. Ipsilateral cranial nerve 4 and 6 palsy, contralateral hemiparesis
c. Contralateral cranial nerve 4 and 6 palsy, ipsilateral hemiparesis
d. ipsilateral cranial nerve 5 paly, ipsilateral ataxia ANSWER a
7. a patient is admitted with symptoms consistent with Weber's syndrome. If the stroke is ischemic, which
arteries would you suspect might have caused the stroke?
a. Carotid artery
b. Middle cerebral artery
c. Posterior cerebral artery
d. Basilar artery ANSWER c
8. A patient presents with vertical gaze palsy, pupils mid-dilated with light dis- sociation, and convergence-
retraction nystagmus. This cluster of symptoms is consistent with which of the following symptoms?
a. Weber's syndrome
b. Horner's syndrome
c. Parinaud's syndrome
d. Wallenberg's syndrome ANSWER c
9. Parinaud's syndrome results from which part of the brain?
a. Dorsal midbrain
b. Lateral medulla