Deck 21: Stroke

Question 1

Fibrinogen is a coagulation factor that has been demonstrated to be associated with increased stroke risk.Which of the following is a condition that would lead to increased fibrinogen in the blood stream?

A) decreased blood viscosity
B) arteriosclerosis
C) pneumonia
D) polycythemia

Answer 1

polycythemia

Question 2

A patient has just suffered an embolic stroke.Blood pressure at the time of admission to the emergency department is 200/100 mm Hg.Which of the following is the correct intervention option for this patient's blood pressure?

A) Decrease blood pressure immediately.
B) Increase blood pressure immediately.
C) Allow blood pressure to maintain its current level and monitor.
D) The patient should be given diuretics immediately.

Answer 2

Allow blood pressure to maintain its current level and monitor.

Question 3

The patient suffers a stroke with medial temporal lobe involvement of the posterior cerebral artery.Which of the following would the physical therapist assistant (PTA)not expect to see upon providing intervention for this patient?

A) memory loss
B) foot drop
C) agnosia
D) anomia

Answer 3

foot drop

Question 4

Chronic hypertension will lead to which of the following changes in cerebral vasculature?

A) increase in the percentage of smooth muscle in the vessel wall
B) decrease accumulation of protein material and fat deposits in the vessel
C) necrosis of the endothelium
D) increased flow of oxygen to the outermost part of the vessel wall

Question 5

What is the primary cause of stroke?

A) hypertension
B) trauma
C) cerebral vascular disease
D) hyperglycemia

Question 6

Which of the following is not considered a cause of secondary intracerebral hemorrhage (ICH)?

A) impaired coagulation
B) trauma
C) hypertension
D) toxin exposure

Question 7

What is the most common source of embolitic occlusion that causes ischemic stroke?

A) from the pia mater
B) the heart as a result of atherothrombotic disease
C) deep vein thrombosis (DVT) secondary to immobility
D) ventricular fibrillation

Question 8

Patients with an intracranial hemorrhage at which of the following sites will exhibit gait ataxia,ipsilateral gaze or cranial nerve VI paresis,small pupils,and nausea?

A) putamen
B) cerebellar
C) caudate
D) pons

Question 9

After an ischemic event,what neurotransmitter is released in excess,leading to calcium ion intrusion into cells?

A) acetylcholine
B) epinephrine
C) norepinephrine
D) glutamate

Question 10

Headache is a common sign of what type of intracranial hemorrhage?

A) superficial and large hemorrhage
B) superficial and small hemorrhage
C) deep and large hemorrhage
D) deep and small hemorrhage

Question 11

Which artery is occluded if a patient has abnormal sensations of pain,temperature,proprioception,and touch?

A) middle cerebral artery syndrome
B) anterior cerebral artery syndrome
C) internal carotid artery syndrome
D) posterior cerebral artery syndrome

Question 12

What type of injury occurs as a result of tearing of the bridging veins between the brain surface and dural sinus?

A) subarachnoid hematoma
B) subdural hemorrhage
C) epidural hematoma
D) intracranial hemorrhage

Question 13

What pathway of the circle of Willis will increase in diameter in response to an internal carotid artery obstruction?

A) anterior circle of Willis
B) posterior circle of Willis
C) medial circle of Willis
D) lateral circle of Willis

Question 14

What is the test of choice for an individual suspected of a subarachnoid hemorrhage (SAH)?

A) MRI
B) CT scan
C) PET scan
D) lumbar puncture

Question 15

What test is widely accepted as the method of diagnostic choice for strokes?

A) computed tomography (CT) scan
B) magnetic resonance imaging (MRI)
C) positron emission tomography (PET) imaging
D) cerebral angiography

Question 16

What type of treatment will immediately restore clotting factors after an ICH?

A) vitamin K
B) aspirin
C) warfarin sodium
D) fresh-frozen plasma

Question 17

Which of the following would put an individual at a decreased risk for stroke?

A) high levels of high density lipoprotein
B) high levels of low density lipoprotein
C) high total cholesterol levels
D) diagnosis of diabetes mellitus

Question 18

The edema associated with infarction of which artery can lead to sudden respiratory arrest from increased intracranial pressure?

A) basilar
B) posterior cerebral artery
C) internal carotid artery
D) posterior inferior cerebellar artery

Question 19

An arteriovenous malformation (AVM)is a result of _____________________.

A) alcohol abuse
B) abnormal fetal development
C) diabetes mellitus
D) poor nutrition

Question 20

What medication is most effective to decrease risk of stroke in patients with atrial fibrillation?

A) warfarin sodium (Coumadin)
B) aspirin
C) clopidogrel
D) ticlopidine

Question 21

A patient has recently suffered an ICH.In which of the following instances is the patient most likely to fall?

A) while ambulating with a rolling walker
B) while transferring from supine to sit
C) while moving from sit to stand
D) while transferring from bed to wheel chair with a sliding board