AMLS Neurological Emergencies 1

Question 1

What is the recommended time window for administering IV alteplase (tPA) in ischemic stroke from symptom onset?

Accepted Answer

Within 3 to 4.5 hours

Answer

IV alteplase can be administered within 3 to 4.5 hours of symptom onset in eligible ischemic stroke patients.

Question 2

A patient presents with sudden-onset worst headache of their life. Which condition must be immediately suspected?

Accepted Answer

Subarachnoid hemorrhage

Answer

A thunderclap headache described as the worst of one's life is the hallmark of subarachnoid hemorrhage until proven otherwise.

Question 3

Which Cincinnati Prehospital Stroke Scale finding indicates facial droop?

Accepted Answer

One side of the face does not move as well as the other side

Answer

Facial droop on the Cincinnati scale is when one side of the face does not move symmetrically when the patient shows teeth or smiles.

Question 4

What is the most common cause of nontraumatic intracerebral hemorrhage?

Accepted Answer

Hypertension

Answer

Chronic hypertension is the most common cause of spontaneous intracerebral hemorrhage, leading to rupture of small penetrating arteries.

Question 5

Which of the following signs suggests herniation in a deteriorating stroke patient?

Accepted Answer

Ipsilateral dilated and fixed pupil with contralateral hemiplegia

Answer

Uncal herniation causes compression of CN III, producing an ipsilateral fixed dilated pupil and contralateral hemiplegia.

AMLS - Advanced Medical Life Support Practice Test