Neuro quizzes

Which of the following best describes an action potential.  

• is largely driven by chloride entering the cell

• glial cell myelinates the axon

• the charge of the neuron becomes more negative

• the charge of a neuron becomes positive.

The primary excitatory neurotransmitter is

• glutamate

• GABA

• dopamine

• serotonin

The primary inhibitory neurotransmitter is... 

• GABA

• glutamate

• dopamine

• serotonin

Neurotransmitters are released from the terminal into the

• dendrite

• axon hillocks

• metabotropic receptor

• synapse

This part of the neuron integrates inhibitory and excitatory inputs.  

• Dentrites

• Soma

• Axon

• Axon hillock

Which of the following set of methods characterizes the electrical activity in the brain?

• Physiology

• Anatomy

• Biochemistry

• Behavior

At rest, ____________ tends to be more concentrated OUTSIDE of the neuron, whereas ___________ tends to be more concentrated INSIDE of the neuron.  

• Na+; K+

• Ca2+, Cl-

• K+, Na+

• K+, Cl-

Which part of the neuron is the mylinated extension between the soma and terminal along which the electrical impulse travels.  

• axon

• synapse

• hillock

• dendrites

Transduction refers to...

• converting physical stimuli into a neural impulse

• neurotransmission

• photoreceptors

• pain detection

Which of the following best describes an action potential?

• momentary change from negative to positive charge.

• All of these.

• results in the release of neurotransmitter.

• depends on ionic activity.