UT-15 Cerebrovascular

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40 Questions - Developed by: Joel - Developed on: - 2.009 taken

Q banks for cerebrovascular

  • 1
    Amaurosisfugax related to an internal carotid lesion will cause:
    Permanent blindness of the contralateral eye
    Permanent blindness of the ipsalateral eye
    Temporary blindness or shading of the ipsalateral eye
    Temporary blindness of shading of the contralateral eye
    Temporary blindness or shading of both eyes.
  • 2
    Which of the following is a vertebrobasilar symptom?
    Right anterior hemisphere TIA
    Amaurosis fugax
    Unilateral paresis
  • 3
    Of the following, which is not one of the main collateral pathways in the event of ICA obstruction?
    Contralateral hemisphere
    Posterior to anterior
    ECA branches to opthalmic branches
    Genicular to arcuate branches
    All represent major cerebrovascular collateral pathways
  • 4
    If a hypertensive patient has experience multiple TIAs and has an 80% diameter stenosis of the ICA...
    Renal artery stenosis should be treated first
    Treatment of hypertension must be initiated immediately
    Hypertension is not a significant risk factor in the development of carotid occlusive disease
    Diabetes must be diagnosed
    Carotid endarterectomy is probably recommended
  • 5
    Which of the following is not considered a risk factor for atherosclerosis?
    Diabetes mellitus
    Tobacco use
    Female gender
    Lipoprotein abnormalities
  • 6
    Where are carotid body tumors located?
    Within the IJV
    In the submandibular gland
    Between the ICA and ECA
    In the intracranial ICA
    Medial to the origin of the ECA
  • 7
    A 56 yr old patient reports loss of vision in her left eye two days ago, with total reslution in 10 minutes. Yesterday morning, she developed weakness and numbness in her right hand and was unable to hold her coffee cup. This afternoon her hand strength is about 90% normal, with normal sensation. Clinically she has:
    Amaurosis fugax
    Lacunar infarct
  • 8
    You perform percussion maneuvers on the superficial temporal artery and see oscillations on the spectral display. The artery being insonated is most likely:
    Thyrocervical trunk
    A low-resistance artery
    Vertebral artery
  • 9
    Loss of the spectral window with pulsed doppler ultrasound occurs with:
    Parabolic flow
    Flow turbulence
    None of the above
    Laminar flow
    All of the above
  • 10
    Which is not true regarding carotid bruit?
    Severe stenosis may cause a bruit
    A bruit extending into diastole suggests severe stenosis
    The absence of bruit rules out significant stenosis
    The presence of bruit is significant
    A cervical bruit might arise from stenosis of the ECA
  • 11
    The most prevalent type of stroke is:
    Septic embolic
    Venous thrombotic
  • 12
    A stronger pulse is palpated on the right neck than on the left. This could result from all of the following except:
    Tech error
    Left carotid obstruction
    Carotid aneurysm on the right
    Innominate occlusion
    Tortuous CCA
  • 13
    Paresthesis referes to:
    Tingling sensation
    Disturbance of speech
    Loss of function of a limb
  • 14
    All of the following are consistent with total occlusion of the ICA except:
    Decreased velocity proximal to occlusion
    Retrograde flow in the distal ICA
    Absence of flow in the ICA lumen
    Inability to be reconstructed surgically
    Increase in flow through collateral pathways
  • 15
    A 24 year old patient with a history of recent automobile accident arrives in the ICU with symptoms of acute right-sided weakness and aphasia. The most likely etiology of these symptoms is:
    Carotid dissection
    Embolic activity from cardiac mural thrombus
    Cerebral aneurysm rupture
    Severe ICA stenosis
  • 16
    In an emergency room patient with stroke symptoms, the initial diagnostic exam of choice would likely be:
    Carotid duplex
  • 17
    Which statement about subclavian steal is false?
    Lower blood pressure is seen in the affected arm
    It occurs most commonly on the left side
    Most patients are asymptomatic
    It results from severe stenosis or occlusion of the proximal vertebral artery
  • 18
    After carotid bifurcation disease, the next most common source of stroke symptoms is:
    Subclavian stenosis
    Aortic dissection
    Cardiac source embolization
    Paradoxical embolization from DVT via patent foramen ovale
    Spinal stenosis
  • 19
    Cerebrovascular fibromuscular dysplasia occurs most often in:
  • 20
    Which of the following is true regarding subclavian steal?
    3.it is caused by arterial obstruction proximal to the origin of the vertebral artery
    5. Both 2 and 3
    4.it is caused by arterial obstruction distal to the origin of the vertebral artery
    1.resulting strokes are usually severely disabling
    2.it is usually a harmless hemodynamic phenomenon
  • 21
    The term hemiparesis means:
    Numbness/tingling on one side
    Weakness of one side
    Paralysis of one side
    Spasm of voluntary muscle on one side
  • 22
    Simultaneous bilateral occular symptoms in a patient with suspected cerebrovascular disease generally originate from which of the following vessels:
    Vertebrocasilar arteries
    Opthalmic arteries
    Both external carotid arteries
    Both internal carotid arteries
    Both common carotid arteries
  • 23
    A right handed patient experiences a 30 minute episode of dysphasia. Which are of circulation is suspect?
    Occipital cortex
    Right hemisphere
    Vertebrobasilar territory
    Left hemisphere
  • 24
    A transient ischemic attack:
    Does not resolve within 24 hours
    Resolves in one week
    Resolves after 24 hours
    Resolves within 24 hours
    Resolves within 72 hours
  • 25
    A carotid bruit can be detected with color flow and spectral analysis as:
    A mosaic of low red and blue frequencies in color flow in tissue lying outside of the lumen, and oscillatory waveforms above and below baseline in the spectral waveform.
    A mosaic of high red and blue aliasing frequencies in color flow and oscillatory waveforms above and below the baseline in the spectral waveform
    A mosaic of low red and blue frequencies in color flow; bruits cannot appear on the spectral waveform
    A mosaic of high red and blue frequencies in color flow; bruits cannot appear on the spectral waveform
    High-frequency oscillations in the spectral waveform; bruits cannot appear on color flow
  • 26
    The strongest risk factor for stroke is:
    Poor diet
    Alcohol abuse
  • 27
    The doppler beam angle considered optimal for standardization of duplex carotid studies at most vascular labs is:
    Any angle greater than 60?
  • 28
    All of the following may represent symptoms from the brain stem or posterior circulation except:
    Amaurosis fugax
  • 29
    Which of the following is an anterior circulation symptom?
    Binocular visual disturbance
    Drop attack
    Facial asymmetry
  • 30
    Which of the following accurately defines RIND, also called stroke with recovery?
    A neurologic deficit that waxes on and off
    A neurologic ischemic deficit that resolves completely after 24 hours
    A neurologic deficit that does not resolve
    A reversible ischemic neurological deficit that completely resolves within 24 hours
    An irreversible neurologic deficit
  • 31
    The characteristics of flow in the different carotid artery segments are as follows:
    High-resistance character in the ECA, low-resistance in the ICA, mixed character in the CCA
    Low-resistance character throughout
    Low-resistance character in the ECA, high-resistance in the ICA, mixed character in the CCA
    Low-resistance in both the ICA and ECA, with higher resistance character in the CCA
    High-resistance in both the ICA and ECA, with lower resistance character in the CCA
  • 32
    A duplex image of the carotid bifurcation that demonstrates a goblet like configuration of the internal and external branches curving around a highly vascularized mass suggests:
    Severe ICA stenosis
    Carotid aneurysm
    Temporal arteritis
    Myointimal hyperplasia
    Carotid body tumor
  • 33
    Which of these conditions is least liekly to cause a bruit in the neck?
    Severe stenosis of the ECA
    Cardiac valvular disease
    Critical preocclusive stenosis of the ICA
    Severe stenosis of the ICA
  • 34
    A left arm blood pressure that is 40 mmHg thatn the right can be the result of any of the following except:
    Subclavian steal
    Coarctation of the aortic arch
    Axillary artery embolus
    Innominate artery occlusion
    Thoracic outlet entrapment
  • 35
    A symptom of vertebrobasilar insufficiency is:
    Amaurosis fugax
    Unilateral paresis
    None of the choices
  • 36
    Which of the following is not true regarding athersclerosis?
    Atherosclerosis starts as a breakdown of the intima
    Intimal damage/repair may begin in adolescence
    Atherosclerosis is generalized disease
    Atherosclerosis usually develops at bifurcations
    Atherosclerosis is a red blood cell disease
  • 37
    A hypertensive, diabetic 65 year old male patient presents for cerebrovascular testing because of an asymptomatic bruit on the right side. You are considering all of the following to be potential sources of the bruit except:
    Stenosis of the ECA
    Occulsion of the CCA
    All of the above may produce a bruit
    Stenosis of the subclavian artery
    Dissection of the CCA
  • 38
    In the cerebrovascular system, ahterosclerosis occurs most commonly in the:
    Innominate artery
    Left subclavian artery
    Intracranial ICA
    Origin of the ICA
    Proximal CCA
  • 39
    A TIA of the right anterior hemisphere of the brain will likely affect:
    The left side of the body
    The right side of the face
    The right side of the body
    The entire body
    The back of the head
  • 40
    Why can't I count the right number for these tests?
    Because i'm over it
    'cause it's hard
    Because the website is weird
    I'm retarded (right answer)
    Because gurnick teachers are "special"

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