Stroke Learning Quizzes: Master Brain Attack Knowledge

Question 1

Which of the following is the primary cause of ischemic stroke?

Accepted Answer

Atherosclerosis

Answer

Cardiogenic embolism

Answer

Arteritis

Answer

Vasospasm

Question 2

In suspected stroke, which imaging modality is generally the initial diagnostic tool of choice?

Accepted Answer

Computed tomography (CT) scan

Answer

Magnetic resonance imaging (MRI)

Answer

Magnetic resonance angiography (MRA)

Answer

Carotid ultrasound

Question 3

What is the primary therapeutic goal of endovascular therapy (EVT) in acute ischemic stroke?

Accepted Answer

Restoration of cerebral blood flow

Answer

Removal of the occluding clot

Answer

Prevention of recurrent stroke

Answer

Improvement of neurological function

Question 4

Identify the modifiable risk factor among the following options for stroke.

Accepted Answer

Hypertension

Answer

Age

Answer

Race

Answer

Family history

Question 5

Which type of stroke is most prevalent?

Accepted Answer

Ischemic stroke

Answer

Hemorrhagic stroke

Answer

Transient ischemic attack (TIA)

Answer

Cerebral venous sinus thrombosis (CVST)

Question 6

What is the primary cause of ischemic stroke?

Accepted Answer

Atherosclerosis

Answer

Vasculitis

Answer

Sudden increase in blood pressure

Answer

Polycythemia vera

Question 7

Which of the following is a characteristic clinical presentation of a stroke?

Accepted Answer

Sudden onset of focal neurological deficit

Answer

Severe headache and neck pain

Answer

Loss of consciousness

Answer

Slurred speech and weakness

Question 8

For ischemic stroke caused by large vessel occlusion, what is the initial treatment recommended?

Accepted Answer

Endovascular thrombectomy

Answer

Intravenous tissue plasminogen activator (tPA)

Answer

Anticoagulation

Answer

Carotid endarterectomy

Question 9

Which mechanism underlies aspirin's antiplatelet effect?

Accepted Answer

Inhibition of cyclooxygenase enzymes (COX)

Answer

Activation of protein C

Answer

Antagonism of thromboxane receptors

Answer

Blockade of calcium channels

Question 10

After a stroke, how long is dual antiplatelet therapy typically recommended?

Accepted Answer

18 months

Answer

12 months

Answer

24 months

Answer

Indefinitely

Question 11

Which type of stroke is caused by a blockage of blood flow to the brain?

Accepted Answer

Ischemic stroke

Answer

Hemorrhagic stroke

Answer

Transient ischemic attack

Answer

Subarachnoid hemorrhage

Question 12

What is the leading modifiable risk factor for stroke?

Accepted Answer

Hypertension

Answer

Diabetes

Answer

Smoking

Answer

Obesity

Question 13

Which imaging test can provide the most detailed visualization of brain structures and is often used to diagnose ischemic stroke?

Accepted Answer

Magnetic resonance imaging (MRI)

Answer

Computed tomography (CT) scan

Answer

Angiography

Answer

Electroencephalography (EEG)

Question 14

In acute ischemic stroke, which condition is a major contraindication to administering thrombolytic therapy?

Accepted Answer

Known bleeding disorder

Answer

High blood pressure

Answer

Recent head injury

Answer

Advanced age

Question 15

What is the primary mechanism of action of antiplatelet medications in stroke prevention?

Accepted Answer

Reducing platelet aggregation

Answer

Lowering blood pressure

Answer

Improving blood flow

Answer

Dissolving blood clots

Question 16

Which type of bleeding within the brain tissue is a serious complication of hemorrhagic stroke?

Accepted Answer

Intracerebral hematoma

Answer

Ischemic infarction

Answer

Subarachnoid hemorrhage

Answer

Transient ischemic attack

Question 17

Which imaging technique involves injecting dye into the cerebral arteries to visualize their structure and blood flow?

Accepted Answer

Fluoroscopy

Answer

Ultrasound

Answer

Magnetic resonance imaging

Answer

Electroencephalography

Question 18

The National Institutes of Health Stroke Scale (NIHSS) is primarily used to:

Accepted Answer

Assess stroke severity

Answer

Diagnose stroke

Answer

Determine eligibility for thrombolysis

Answer

Predict stroke outcome

Question 19

Which of the following is NOT considered a modifiable risk factor for stroke?

Accepted Answer

Regular exercise

Answer

Hypertension

Answer

Dyslipidemia

Answer

Diabetes

Question 20

What is the most prevalent type of stroke worldwide?

Accepted Answer

Ischemic stroke

Answer

Intracerebral hemorrhage

Answer

Subarachnoid hemorrhage

Answer

Transient ischemic attack

Question 21

Which of the following contraindicates thrombolysis in acute ischemic stroke within 4.5 hours of symptom onset?

Accepted Answer

Known history of intracranial hemorrhage

Answer

Blood glucose level below 50 mg/dL

Answer

Age over 80 years

Answer

Systolic blood pressure above 185 mmHg

Question 22

For patients with large vessel occlusion strokes, which intervention is most effective in improving outcomes?

Accepted Answer

Mechanical thrombectomy

Answer

Intravenous thrombolysis alone

Answer

Antiplatelet therapy

Answer

Observation without intervention

Question 23

When determining a patient's prognosis after a stroke, which factor is considered most significant?

Accepted Answer

Severity of the stroke

Answer

Patient's age

Answer

Presence of comorbidities

Answer

Patient's socioeconomic status

Question 24

Which of the following is the most prevalent type of stroke, accounting for approximately 87% of cases?

Accepted Answer

Ischemic stroke

Answer

Hemorrhagic stroke

Answer

Transient ischemic attack (TIA)

Answer

Subarachnoid hemorrhage

Question 25

Identify the acronym used to describe the critical signs and symptoms of an ischemic stroke to facilitate timely recognition and response:

Accepted Answer

BE FAST

Answer

EASY

Answer

FACE

Answer

HELP

Question 26

In the acute management of a stroke, what is the primary therapeutic objective?

Accepted Answer

Re-establishing blood flow to the affected brain tissue

Answer

Reducing inflammation

Answer

Preventing further neurological damage

Answer

Minimizing pain

Question 27

In the majority of transient ischemic attacks (TIAs), which underlying condition is most commonly implicated?

Accepted Answer

Atherosclerosis

Answer

Cardiac embolism

Answer

Vasospasm

Answer

Hypercoagulability

Question 28

For the definitive diagnosis of ischemic stroke, which imaging technique is considered the gold standard?

Accepted Answer

Magnetic resonance imaging (MRI)

Answer

Computed tomography (CT) scan

Answer

Ultrasound

Answer

Electroencephalography (EEG)

Question 29

When administering thrombolytic therapy in acute ischemic stroke, the recommended time window for optimal efficacy is:

Accepted Answer

Within 4.5 hours of symptom onset

Answer

Within 6 hours of symptom onset

Answer

Within 12 hours of symptom onset

Answer

Within 24 hours of symptom onset

Question 30

In evaluating stroke, which of the following statements best describes the comparative advantages of CT and MRI?

Accepted Answer

CT offers superior visualization of hemorrhage, while MRI excels in detecting subtle ischemic changes.

Answer

MRI is more widely available and typically less expensive than CT.

Answer

CT is superior to MRI in detecting small vessel disease.

Answer

MRI provides real-time imaging, unlike CT which requires the patient to remain still.

Question 31

What is the initial treatment recommended for patients experiencing an acute ischemic stroke within 4.5 hours of symptom onset?

Accepted Answer

Intravenous tissue plasminogen activator (tPA)

Answer

Aspirin and ticagrelor

Answer

Mechanical thrombectomy

Answer

Intravenous alteplase and abciximab

Question 32

Which of the following is the most prevalent type of stroke, characterized by a sudden blockage of an artery in the brain?

Accepted Answer

Ischemic stroke

Answer

Hemorrhagic stroke

Answer

Transient ischemic attack

Answer

Subarachnoid hemorrhage

Question 33

What is the leading cause of ischemic stroke, characterized by the narrowing of arteries due to plaque buildup?

Accepted Answer

Atherosclerosis

Answer

Hypertension

Answer

Cardiac arrhythmias

Answer

Vasculitis

Question 34

For a suspected stroke patient, which imaging technique is typically employed as the initial diagnostic tool to visualize brain structures and identify any abnormalities?

Accepted Answer

Computed tomography (CT)

Answer

Magnetic resonance imaging (MRI)

Answer

Electroencephalography (EEG)

Answer

Carotid ultrasound

Question 35

In the acute management of ischemic stroke, which medication is administered intravenously to dissolve blood clots and restore blood flow to the brain?

Accepted Answer

Tissue plasminogen activator (tPA)

Answer

Aspirin

Answer

Statins

Answer

Anticoagulants

Question 36

For administering tPA in acute ischemic stroke, adherence to time is crucial. What is the recommended time frame within which tPA should be administered to maximize its effectiveness?

Accepted Answer

Within 3 hours of symptom onset

Answer

Within 6 hours of symptom onset

Answer

Within 12 hours of symptom onset

Answer

Within 24 hours of symptom onset

Question 37

What is the overarching objective of stroke rehabilitation, which encompasses a range of interventions following a stroke?

Accepted Answer

To restore functional abilities and improve quality of life

Answer

To prevent further strokes and mitigate risk factors

Answer

To manage pain and alleviate discomfort

Answer

To provide emotional support and counseling

Question 38

What is the medical term for a temporary disruption of blood flow to the brain, typically lasting less than 24 hours, which may serve as a warning sign for a future stroke?

Accepted Answer

Transient ischemic attack

Answer

Stroke-in-evolution

Answer

Subarachnoid hemorrhage

Answer

Intracerebral hemorrhage

Question 39

Which of the following is the most prevalent type of stroke?

Accepted Answer

Ischemic stroke

Answer

Hemorrhagic stroke

Answer

Transient ischemic attack

Answer

Subarachnoid hemorrhage

Question 40

What is the primary underlying cause of ischemic stroke?

Accepted Answer

Atherosclerosis

Answer

Arterial dissection

Answer

Cardiac embolism

Answer

Vasculitis

Question 41

What is the most crucial diagnostic test for assessing a suspected stroke?

Accepted Answer

CT scan

Answer

MRI scan

Answer

Electroencephalography

Answer

Lumbar puncture

Question 42

Which of the following is the initial line of treatment for acute ischemic stroke?

Accepted Answer

Thrombolysis

Answer

Antiplatelet therapy

Answer

Anticoagulation

Answer

Carotid endarterectomy

Question 43

Which is the most prevalent form of stroke?

Accepted Answer

Ischemic stroke

Answer

Hemorrhagic stroke

Answer

Transient ischemic attack (TIA)

Answer

Lacunar stroke

Question 44

What is the primary pathophysiological mechanism underlying ischemic stroke?

Accepted Answer

Reduced blood flow to the brain

Answer

Hemorrhage within the brain

Answer

Inflammation of brain tissue

Answer

Formation of blood clots

Question 45

In the case of an ischemic stroke caused by a blood clot, what is the initial treatment of choice?

Accepted Answer

Intravenous administration of tissue plasminogen activator (tPA)

Answer

Surgical removal of the clot

Answer

Antiplatelet medication

Answer

Aspirin

Question 46

Which scale is commonly used to assess the severity of stroke symptoms?

Accepted Answer

National Institutes of Health Stroke Scale (NIHSS)

Answer

Glasgow Coma Scale

Answer

Stroke Severity Scale (SSS)

Answer

Modified Rankin Scale

Question 47

Which of the following is a common complication associated with stroke?

Accepted Answer

Any of the above

Answer

Pneumonia

Answer

Deep vein thrombosis (DVT)

Answer

Urinary tract infection

Question 48

What is the primary objective of stroke rehabilitation?

Accepted Answer

Restoration of function and independence

Answer

Prevention of future strokes

Answer

Pain and discomfort management

Answer

Improvement of overall quality of life

Question 49

A patient presents to the emergency department with sudden onset of right-sided weakness and slurred speech. Which of the following diagnostic tests is indicated for initial evaluation?

Accepted Answer

Non-contrast head CT

Answer

Lumbar puncture

Answer

MRI with contrast

Answer

Carotid ultrasound

Question 50

Which type of stroke is characterized by bleeding within the brain parenchyma?

Accepted Answer

Intracerebral hemorrhage

Answer

Cardioembolic stroke

Answer

Lacunar stroke

Answer

Thrombotic stroke

Question 51

A patient has experienced a left middle cerebral artery (MCA) stroke. Which of the following symptoms is most likely to be present?

Accepted Answer

Right-sided weakness and aphasia

Answer

Cranial nerve palsies and ataxia

Answer

Left-sided weakness and hemineglect

Answer

Bilateral weakness and dysphagia

Question 52

Which type of rehabilitation therapy is primarily focused on improving communication and language skills in stroke patients?

Accepted Answer

Speech therapy

Answer

Physical therapy

Answer

Occupational therapy

Answer

Cognitive behavioral therapy