QUESTIONS AND SOLUTIONS GRADED A+
PREMIUM RESOURCE
●● A TIA of the right anterior hemisphere of the brain will affect?
Answer: The left side of the body. Will affect the opposite side
●● Amaurosis Fugax related to internal carotid lesion:
Answer: Temporary blindless affecting the same side of lesion
●● Simultaneous bilateral ocular symptoms in a patient with
cerebrovascular disease originate from?
Answer: The vertebrobasilar arteries
●● Symptoms associated with vertebrobasilar circulation:
Answer: Vertigo, dizziness, ataxia, or other bilateral or global symptoms
●● Symptoms associated with anterior circulation:
Answer: Facial asymmetry, unilateral
●● Infraorbital artery is a terminal branch of the:
Answer: Maxillary artery
,●● Dysphagia
Answer: Difficulty swallowing that's associated with vertebrobasilar
insufficiency
●● Patient has 30 minute episode of garbled speech, which is called:
Answer: Dysphasia. (Aphasia absence of speech)
●● Right handed patient experiences 30 minute episode of dysphasia.
Which area of circulation is suspected?
Answer: Left hemisphere. Speech area of the cortex is temporal lobe
●● Bruits are caused by?
Answer: Turbulent flow. Severe stenosis may not cause bruit, often they
disappear near preocclusive
●● Brachial blood pressure are obtained bilaterally for evaluating a
patient for cerebrovascular disease because:
Answer: If one pressure is 15-20 mmHg less than the other, subclavian
steal is suspected on the side of the lower pressure
●● Transcranial findings consistent with vasospasm following
subarachnoid hemorrhage would include:
Answer: Increased mean velocities in the MCA
, ●● In TCD, the normal direction of flow in vertebral artery is:
Answer: Away from the beam. Suboccipital, foramen magnum approach
flow should normally be away from the beam
●● TCD probe with frequency of:
Answer: 2 MegaHertz
●● Transtemporal window of TCD, normal direction of flow in the ACA
is:
Answer: Away from the beam
●● The circle of Willis receives its blood supply form which arteries?
Answer: Carotid and vertebral arteries
●● Characteristics of ECA:
Answer: Prominent dicrotic notch, a sharp peak and little diastolic flow
●● Characteristics of ICA:
Answer: Lots of diastolic flow, less distinct peak, less prominent dicrotic
notch
●● The three terminal branches of the ophthalmic artery are the: