What is the acronym for a temporary impairment of cerebral circulation that causes symptoms lasting minutes to hours but results in no permanent neurological changes?

TIA

CVA

TPN

Answer and Explanation

The Correct Answer is A

A. TIA stands for Transient Ischemic Attack, which is a temporary disruption of blood flow to the brain. Symptoms typically last for minutes to hours and resolve within 24 hours without causing permanent neurological damage.

B. CVA stands for Cerebrovascular Accident, which refers to a stroke. A CVA causes permanent neurological damage due to a lack of blood flow to the brain.

C. TPN stands for Total Parenteral Nutrition, which is a method of delivering nutrition intravenously to patients who cannot eat or absorb food normally. It is unrelated to cerebral circulation.

D. MI stands for Myocardial Infarction, which is a heart attack. It involves damage to the heart muscle due to a lack of blood flow but does not refer to cerebral circulation.

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Correct Answer is A

Explanation

A. An aura is a sensory warning (such as a strange taste, smell, or visual disturbance) that often precedes a seizure, indicating that a seizure is imminent. It is a common experience for individuals with certain types of seizures, such as focal seizures.

B. A brief loss of consciousness accompanied by staring is indicative of absence seizures, not an aura.

C. A continuous seizure state in which seizures occur in rapid succession is known as status epilepticus, a medical emergency.

D. A period of sleepiness following the seizure is called the postictal state, but this is not related to an aura, which occurs before the seizure.

A. Chemotherapy has side effects B. Difficulty for chemotherapy to go through the blood-brain barrier C. Chemotherapy is not needed with brain tumors as they never metastasize D. Chemotherapy is not used to treat cancer

Correct Answer is B

Explanation

A. While chemotherapy does have side effects, this is not the primary reason for its limited use in treating brain tumors. Side effects are a consideration but not the main obstacle.

B. The blood-brain barrier is a selective permeability barrier that limits the ability of many chemotherapy drugs to pass from the bloodstream into the brain tissue. This makes it difficult for chemotherapy to effectively treat brain tumors.

C. Brain tumors can metastasize and spread to other parts of the body, so chemotherapy may still be needed, especially in cases of malignant tumors.

D. Chemotherapy is commonly used to treat cancer, including brain tumors, but the blood-brain barrier poses a significant challenge in its effectiveness.

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What is the acronym for a temporary impairment of cerebral circulation that causes symptoms lasting minutes to hours but results in no permanent neurological changes?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Explanation

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Correct Answer is B

Explanation

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