How Are Levels of the Neurotransmitters Norepinephrine and Serotonin Related

question 115

Multiple Choice

How are levels of the neurotransmitters norepinephrine and serotonin related to depression?

• A) People with unusually high or unusually low levels of neurotransmitters are more likely to be depressed.
• B) People with high levels of norepinephrine and low levels of serotonin are more likely to be depressed.
• C) People with higher levels of these neurotransmitters are more likely to be depressed.
• D) People with lower levels of these neurotransmitters are more likely to be depressed.