The First Evidence That the Vasodilatory Signal Molecule Was Produced

question 72

Multiple Choice

The first evidence that the vasodilatory signal molecule was produced by ____ was reported in 1980.

• A) nitric oxide
• B) endothelial cells
• C) CO₂
• D) cardiac muscle cells
• E) platelets

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Definitions:

Freud

Sigmund Freud, an Austrian neurologist and the founder of psychoanalysis, a method for treating psychopathology through dialogue between a patient and a psychoanalyst.

REM Sleep

Rapid Eye Movement sleep, a stage of sleep characterized by rapid movement of the eyes, low muscle tone, vivid dreams, and increased brain activity.

Narcolepsy

A sleep disorder marked by excessive daytime sleepiness, often accompanied by sudden muscle weakness or sleep attacks.

REM Rebound

The tendency for REM sleep to increase following REM sleep deprivation (created by repeated awakenings during REM sleep).