The Molecular Explanation for Narcolepsy Is That

question 42

Multiple Choice

The molecular explanation for narcolepsy is that

• A) certain brain cells have many extra orexin/hypocretin receptors, so that the cell receives too many messages to sleep.
• B) the orexin/hypocretin receptor is missing, abnormal in structure, or unable to move to the surface of certain brain cells, blocking signals to stay awake.
• C) a gene is missing in chromosome 6 that encodes the protein narcoleptin.
• D) a viral infection activates genes that promote sleep.
• E) four key genes are overexpressed.

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Definitions:

Antianemic Agents

Substances, often used as medications, that are effective in the treatment of anemia, a condition characterized by a deficiency of red cells or of hemoglobin in the blood.

EPOs

Stands for Erythropoietin, a hormone produced by the kidneys that promotes the formation of red blood cells by the bone marrow.

Antinuclear Antibodies

Antibodies directed against the cell nucleus, often found in autoimmune diseases.

Abbreviation

A shortened form of a word or phrase, used to simplify lengthy wording.