Transplants or Grafts of Brain Tissue in Animals

question 181

Multiple Choice

Transplants or grafts of brain tissue in animals

• A) have not been attempted in humans because of ethical restrictions.
• B) have been attempted but without any success in any animal so far.
• C) created animals that were dangerously aggressive.
• D) have been able to partially repair cut spinal cords in rats.

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Definitions:

Bipolar Disorder

A brain disorder that causes extraordinary variations in a person's mood, ranging from depressive lows to highs of mania or hypomania.

Depressed Mood

A psychological state characterized by feelings of sadness, emptiness, or hopelessness.

Obsessive-Compulsive Disorder

A mental health disorder characterized by persistent, unwanted thoughts (obsessions) and repetitive behaviors (compulsions) as an attempt to alleviate anxiety.

Counting

The action of determining the total number of items in a group by assigning them numerical order.