Much Research Has Demonstrated a Link Between Depression and Low

question 98

Multiple Choice

Much research has demonstrated a link between depression and low levels of the neurotransmitter serotonin. Therefore, one might speculate that, on average, people who are depressed ____. ​

• A)may be more aggressive than other people
• B)may be less aggressive than other people
• C)may have higher testosterone levels than other people
• D)may have lower testosterone levels than other people

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Definitions:

Roentgen Therapy

A form of radiation therapy using X-rays for treating diseases, named after physicist Wilhelm Röntgen.

Ionization

The method through which an atom or molecule obtains a positive or negative charge by the addition or removal of electrons.

Substance

material with particular physical characteristics, an important concept in chemistry and physics.

Nuclear Medicine

A medical specialty involving the application of radioactive substances in the diagnosis and treatment of diseases.