Tyrone Has Been Experiencing Memory Deficits, Perceptual Disturbances, and Inability

question 112

Multiple Choice

Tyrone has been experiencing memory deficits, perceptual disturbances, and inability to recognize objects. He is also experiencing severe depression and mania. Why would Tyrone not qualify for the diagnosis of a cognitive disorder?

• A) Tyrone has a history of alcohol abuse and dependency
• B) Tyrone has been diagnosed with major depressive disorder with psychotic features
• C) Tyrone was exposed to numerous toxins during his enlistment and World War II
• D) Tyrone has been diagnosed with a terminal illness

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Definitions:

Genotype

An individual’s genetic endowment, including both expressed and unexpressed genes.

Alleles

Different forms of the same gene, such as the many forms of the eye color gene.

Phenotypes

Observable characteristics or traits of an organism resulting from the interaction of its genotype with the environment.

Receptors

Specific molecules in cells that bind with particular substances, enabling the cell to respond to signals from its external environment.