Although His Ability to Speak Is Otherwise Normal,a Stroke Patient

question 14

Multiple Choice

Although his ability to speak is otherwise normal,a stroke patient is having difficulty naming common everyday objects,such as tools.In order to determine which part of the brain is functioning abnormally,his doctor may use which of the following techniques?

• A) Inject the patient with horseradish peroxidase and look at his brain during an autopsy.
• B) Do a CT scan on the brain to see what area is not functioning.
• C) Use functional magnetic resonance imaging (fMRI)to compare the activity of the brains of the patient and normal volunteers when they are presented with pictures of various tools.
• D) During neurosurgery on the patient,stimulate his brain to see what part is not functioning.

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Definitions:

Pregnancy Determination

The process or methods used to confirm or detect pregnancy in an individual.

Dialysis

A medical procedure that removes waste products and excess fluid from the blood when the kidneys are not able to do so.

Dialysate

A fluid used in dialysis that contains specific solutes necessary for removing unwanted substances from the blood of a person with kidney dysfunction.

Circulates

Moves or flows continuously or freely through a closed system or area, often referring to fluids or air.