Nervous System, Action Potential & Chemical Messengers

Which part of the brain divides the left and right hemisphere?

Cerebellum

Brain Stem

Corpus Callosum

Cerebral Cortex

What are the 3 Types of Neurons?

Inhibitory, Excitation, Neutral

Soma, Dendrites, Axons

Ionotropic, Metabotropic, Synaptic Cleft

Motor, Interneurons, Sensory

Which neuron passes signals between the other two neurons?

Interneurons

Sensory Neurons

Motor Neurons

Which is NOT part of a neuron?

SOMA

Thalamus

Dendrites

Axon

The Basal Ganglia is in charge of...

Releasing horomones

Language

Balance

Control of movement

Resting potential is at

70 mV

-90 mV

-70 mV

-55 mV

During depolarization, potassium ions enter the neuron

True

False

Hyperpolarization causes the neuron to be MORE negatively charged

True

False

During Repolarization...

Sodium channels close and potassium channels open

Potassium channels close and sodium channels open

Calcium channels close and sodium channels open

What permits action potential to travel faster between neurons?

Glial Cells

Dopamine

Myelin Sheath

Synaptic Cleft

EPSP stands for...

Energetic Past Synaptic Potential

Excitation Post Synapse Potential

Excitatory Post Synaptic Potential

Excitatory Post Synaptic Potassium

Neurotransmitters are stored in _____, and travel through ____ to reach the next neuron

Dendrites, Myelin Sheath

Synaptic Vesicles, Synaptic Cleft

Synaptic Cleft, Receptors

Transporters, Glial Cells

Metabotropic receptors are faster than ionotropic receptors

True

False

Acetylcholine helps you focus

True

False

Select the correct statement

EPSP prevents action potential and IPSP opens calcium channels

The main excitatory transmitter in the brain is GABA

EPSP allows Potassium ions to enter

EPSP is a shift of membrane potential closer to 0mV. IPSP has the opposite effect.

BONUS: What are names of the IYNA presidents?

Angelika & Guntes

Guntaas & Anjelica

Amanda & Lily

Max & Dom

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