The Patient Is Awake Many Times During Brain Surgery

question 35

Multiple Choice

The patient is awake many times during brain surgery. In an operation to remove a brain tumor, Dr. Judson accidentally poked a certain area of the cerebrum, whereupon the patient said, "Why is my arm being tickled?" What area was poked?

• A) pons
• B) occipital lobe
• C) primary somatosensory area
• D) medulla

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Definitions:

Solid-State Alteration

The process of mineralogical and structural changes in rocks without melting, often through heat, pressure, or chemical exchange.

Metamorphic

Pertaining to rock that has undergone transformation by heat, pressure, or other natural agencies.

Pressure

The force exerted per unit area by gases, liquids, or solids on the walls of their container or on objects in contact with them.

Confining Pressure

The pressure applied equally in all directions at any given point within the earth’s crust, often affecting rock properties.