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Biology
11th -
12thgrade
Action Potential, Synapses, & Neurons Test
20 questions
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- 1. Multiple ChoiceWhen a neuron is resting, the inside of the axon has a ____________ charge.positivenegative
- 2. Multiple ChoiceWhen a neuron is not engaged in an impulse.Resting potentialAction potentialNeural potentialSynaptic potential
- 3. Multiple ChoiceNeurotransmitters are released from theDendritesPost-synaptic neuronPresynaptic neuronAxon
- 4. Multiple ChoiceIn order for a neuron to have an action potential, the neuron must receive moreexcitatory neurotransmittersinhibitory neurotransmittersagnostic neurotransmittersantagonistic neurotransmitters
- 5. Multiple ChoiceExcess neurotransmitters in the synapse that goes back into the presynaptic neuron.Resting potentialReuptakeRetroactivityRepolarization
- 6. Multiple ChoiceWAxon Terminal ButtonNeurotransmittersDendriteSynapse
- 7. Multiple ChoiceYAxon Terminal ButtonNeurotransmittersDendriteSynapse
- 8. Multiple Choice
What do we call a nerve cell that is the basic working unit of the brain and nervous system?
axon
neuron
dendrite
neurotransmitter
- 9. Multiple ChoiceADendriteAxonAxon TerminalCell Body
- 10. Multiple Choice
B
Dendrite
Axon
Axon Terminal
Cell Body
- 11. Multiple ChoiceLabel the Neuron-What does the letter "A" represent?AxonDendriteAxon TerminalCell Body
- 12. Multiple ChoiceLabel the Neuron-What does the letter "E" represent?Schwann CellNode of RanvierAxon TerminalMyelin Sheath
- 13. Multiple ChoiceWhat is the chemical used by a neuron to transmit an impulse across a synapse to another nerve cell?NeurotransmittersSynapseThresholdImpulse
- 14. Multiple Choice-70 mV is the measure of aThreshold PotentialAction PotentialResting PotentialEnd Point Potential
- 15. Multiple ChoiceWhen a membrane potential reaches +30mV, ________ channels open, ________ occurs, and ________ channels close.Sodium, depolarization, potassiumPotassium, depoloarization, sodiumsodium, repolarization, potassiumpostassium, repolarization, sodium
- 16. Multiple ChoiceThe area between the pre-synaptic cell and the post-synaptic cell is termed the synaptic cleft.TrueFalse
- 17. Multiple ChoiceThe sodium-potassium pump is involved in establishing the resting membrane potential.TrueFalse
- 18. Multiple ChoiceMultiple sclerosis is an autoimmune disease in which the body's own immune system destroys the _____________ of the nerve axons.MyelinDendritesAxon TerminalNodes of Ranvier
- 19. Multiple ChoiceThe brain's supporting cells are called:glial cellsmitochondrianeuronsnuclei
- 20. Multiple ChoiceNerve impulses within the neuron are sent in _____ formElectricalChemicalElectro-chemicalPetrochemical
- Answer choicesTagsAnswer choicesTags