Joanna Was Terrified of Plane Crashes

question 179

Multiple Choice

Joanna was terrified of plane crashes. What limbic structure might be activated by such thoughts?

• A) amygdala
• B) hippocampus
• C) thalamus
• D) prefrontal cortex
• E) septum

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Definitions:

Chromosomes

Chromosomes are structures within cells that contain DNA and protein, organizing genetic information for cell division and function.

Genetic Materials

Molecules responsible for heredity and variation of organisms, including DNA and RNA.

Epigenetic Marks

Chemical modifications to DNA and histone proteins that affect gene expression without altering the underlying DNA sequence. These can be influenced by environmental factors and may be reversible.

Serotonin Molecules

Chemical compounds in the brain functioning as neurotransmitters, playing key roles in mood regulation, digestion, and sleep.