Understanding Startle Syndrome and Glycine's Role

What is the primary characteristic of startle syndrome?

• Involuntary laughter

• Unusual falls triggered by surprise

• Temporary memory loss

• Sudden loss of vision

What was the initial term used by doctors to describe the falls in startle syndrome?

• Drop seizures

• Tremors

• Fainting spells

• Muscle spasms

What neurotransmitter is primarily associated with startle syndrome?

• Acetylcholine

• Serotonin

• Dopamine

• Glycine

What role does glycine play in the brain?

• Inhibitory neurotransmitter

• Enzyme activator

• Hormone regulator

• Excitatory neurotransmitter

How does clonazepam help in treating startle syndrome?

• By increasing serotonin levels

• By enhancing GABA activity

• By blocking dopamine receptors

• By reducing acetylcholine production

What is the simplest amino acid that acts as a neurotransmitter?

• Valine

• Lysine

• Alanine

• Glycine

Which simple organism uses glycine in a way similar to humans?

• Paramecium

• Trichoplax

• Amoeba

• Euglena

What evolutionary insight does the study of glycine provide?

• It explains the origin of consciousness

• It highlights the evolution of sensory systems

• It shows the development of complex organs

• It connects us to early multicellular ancestors

What is a common feature of disorders like Tourette's syndrome and panic disorder?

• Involuntary muscle spasms

• Extreme startle responses

• Loss of consciousness

• Chronic fatigue

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