Cerebrovascular diseases Flashcards
Epidural hematoma is caused by the rupture of:
A) middle meningeal artery
B) choroidal anterior artery
C) middle cerebral artery
D) superficial temporal artery
A) middle meningeal artery
The importance of external carotid artery is:
A) important for the blood flow supply of posterior scala
B) important potential collateral source in case of ipsilateral ICA occlusion
C) participates in blood supply of brainstem
D) its occlusion results in amaurosis fugax
E) supplies the frontobasal part of the brain
B) important potential collateral source in case of ipsilateral ICA occlusion
The ratio between carotid area and vertebrobasilar stroke:
A) 1:1
B) 1:3
C) 10:1
D) 1:10
E) 4:1
E) 4:1
The role of sagittal superior sinus:
A) participates in the absorption of CSF
B) collects the blood of sagittal inferior sinus
C) transfers the blood of confluent sinus
D) collects the blood of transverse and cavernous sinus
A) participates in the absorption of CSF
The risk of stroke in hypertension:
A) 2–8x
B) 0,3–3x
C) 2x
D) 50x
A) 2–8x
Symptoms of TIA, EXCEPT:
A) Transient unilateral blindness
B) Transient limb numbness
C) Transient aphasia
D) Transient loss of consciousness with epileptic seizure
D) Transient loss of consciousness with epileptic seizure
The ischemic stroke occurs frequently:
A) after waking
B) after going to bed
C) in the summer
D) in the afternoon
A) after waking
Cerebral blood flow in the penumbra (region around the ischemic core):
A) 0–10 ml/min/100 g brain tissue
B) 10–20 ml/min/100 g brain tissue
C) 55–60 ml/min/100 g brain tissue
D) 100-120 ml/min/100 g brain tissue
B) 10–20 ml/min/100 g brain tissue
Global cerebral ischemia causes irreversible cerebral damage after:
A) 20–25 min
B) 10–15 min
C) 3–5 min
D) 1–2 min
C) 3–5 min
Which mechanism plays the most important role in the ischemic cascade?
A) calcium influx
B) potassium influx
C) sodium influx
D) decrease of monoamine level
A) calcium influx
The carotid ultrasound is recommended in acute stroke, EXCEPT:
A) for the measurement of intima-media thickness.
B) to diagnose carotid occlusion/stenosis.
C) to determine the plaque characteristic: in case of ulcerated or inhomogenous plaque, endareterectomy could be suggested instead of stenting.
D) because it is the optimal method to detect carotid floating thrombus.
A) for the measurement of intima-media thickness.
Symptoms of vertebrobasilar insufficiency, EXCEPT:
A) diplopia
B) vertigo
C) dysarthria
D) alternating brainstem syndromes
E) apraxia
E) apraxia
These diseases could result in cardiogenic stroke, EXCEPT:
A) atrial fibrillation
B) endocarditis
C) bicuspidal and aortic valve diseases
D) lower leg deep venous thrombosis without patent foramen ovale
E) after MI
D) lower leg deep venous thrombosis without patent foramen ovale
Typical symptoms of transient global amnesia, EXCEPT:
A) loss of anterograde memory
B) the patient is alert
C) shorter than 24 hours
D) cortical blindness
E) unknown cause
D) cortical blindness
Cause of amaurosis fugax:
A) giant cell arteriitis
B) migraine with scotoma
C) thromboembolisation of the ophthalmic artery (terminal branch) from the ulcerated plaque of the ipsilateral internal carotid artery
C) thromboembolisation of the ophthalmic artery (terminal branch) from the ulcerated plaque of the ipsilateral internal carotid artery
Cortical lesion is probable in case of stroke in the territory of the internal carotid artery, if:
A) hemiparesis with dominance in the facial and brachial area
B) if the severity of the paresis is similar on the upper and lower limb
C) visual field defect is also seen
D) permanent vertigo develops
A) hemiparesis with dominance in the facial and brachial area
Which is NOT part of the symptoms of the unilateral occlusion of the anterior cerebral artery and its branches?
A) urinary and fecal incontinence
B) contralateral lower limb dominant hemiparesis
C) changes in behaviour and character
D) gnostic disturbance
D) gnostic disturbance
Which is NOT part of the symptoms in case of occlusion of the middle cerebral artery (M1)?
A) contralateral severe hemiparesis
B) homonymous hemianopia
C) conjugate deviation of eyes
D) hemihypaesthesia
E) thalamus-syndrome, thalamus-hand
E) thalamus-syndrome, thalamus-hand
Which artery’s circulation disturbance causes the following symptoms: apathy, liberation reflexes, disturbance of attention, perseveration and echolalia?
A) anterior cerebral artery and branches
B) perforating branches of the middle cerebral artery
C) anterior choroidal artery
D) superior terminal branch of the middle cerebral artery
A) anterior cerebral artery and branches
NOT part of Weber-syndrome:
A) ipsilateral oculomotor nerve lesion
B) contralateral hemiparesis
C) contralateral increase deep tendon reflexes with pyramidal signs
D) contralateral hyperkinesia
D) contralateral hyperkinesia
Disturbance of gaze (vertical upwards), with vertical nystagmus is typical in:
A) Benedikt-syndrome
B) Parinaud-syndrome
C) Nothnagel-syndrome
D) Raymond- (ventral pontine) syndrome
B) Parinaud-syndrome
The cause of pseudobulbar palsy:
A) bilateral lesion of the corticobulbar fibers
B) lesion of the cranial nerves in the medulla oblongata
C) lesion of the dentate nucleus
D) lesion of the peripheral nerves responsible for articulation (speech) and swallowing
A) bilateral lesion of the corticobulbar fibers
Symptoms of occlusion of the superior cerebellar artery (lateral superior pontine syndrome), EXCEPT:
A) ipsilateral limb and truncal ataxia
B) dizziness, nystagmus
C) contralateral hypaesthesia, decreased vibration and joint position sensation
D) diplopia, deafness
D) diplopia, deafness
Symptoms of cavernous sinus thrombosis:
A) lesion of the III., IV., VI., V/1. cranial nerves
B) lesion of the IX–XII. cranial nerves
C) lesion of the III., V., VI., VII. cranial nerves
D) Gradenigo-syndrome develops
A) lesion of the III., IV., VI., V/1. cranial nerves