Regarding Mood Disorders, Which of the Following Statements Is TRUE

question 849

Multiple Choice

Regarding mood disorders, which of the following statements is TRUE?

• A) Humanistic theory states that depression is caused by repressed anger.
• B) Psychoanalytic theories of depression emphasize learned helplessness as the psychological cause.
• C) If one identical twin is depressed, the other has a 97 percent chance of suffering from depression with the probability of fraternal twins being 50 percent.
• D) Scientists believe that the brain chemicals of serotonin, noradrenaline, and dopamine are involved in mood disorders.

---

Definitions:

Haploid

Refers to cells that contain one complete set of chromosomes, typical of gametes in sexually reproducing organisms.

Mycorrhizae

A symbiotic association between a fungus and the roots of a vascular host plant, beneficially affecting nutrient uptake and resistance to pathogens.

Algae

Photosynthetic organisms that are primarily aquatic and can be either unicellular or multicellular.

Lichens

Lichens are symbiotic associations between a fungus and a photosynthetic partner, usually algae or cyanobacteria, living together in a mutually beneficial relationship.