If You Had a PET Scan at a Relatively Young

question 153

Multiple Choice

If you had a PET scan at a relatively young age to predict your likelihood of developing Alzheimer's, you would be most disturbed if you had:

• A) higher activity in the gray matter than in the white matter.
• B) reduced hippocampus activity.
• C) normal levels of zinc.
• D) activity in the subcortical structures.

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Definitions:

Fecundity

The potential reproductive capacity of an individual or population, often measured by the number of offspring produced.

Activation

The process of initiating action or the state of being active, often discussed in psychological and physiological contexts.

Parental Investment Model

A theory proposing that the extent and type of investment parents make in their offspring affects the offspring's survival and reproductive success.

Natural Selection

A process in evolution by which organisms that are better adapted to their environment tend to survive and produce more offspring.