The Neuron and Action Potential
Quiz by Ashley Scolaro
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29 questions
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- Q1Which part of the neuron transports molecules, such as neurotransmitters, from the cell body to the terminal end buttons?synaptic cleftdendritemicrofilamenttubule60s
- Q2Which part of the neuron packages neurotransmitters into vesicles?endoplasmic reticulumnucleusmicrotubulegolgi bodies60s
- Q3Which type of membrane protein allows ions to freely travel across the cell membrane?voltage-gated channelligand-gated channelchannelpump60s
- Q4When ions move from areas where they are numerous to areas where there are very few of their same ion, they are following their ______ gradient.voltageconcentrationligandthreshold60s
- Q5When ions move from areas with a similar electric charge to areas with a different electric charge, they are following their ______ gradient.ligandvoltageconcetrationthreshold60s
- Q6At rest, ____ is more prevalent inside the neuron than outside the neuron.phosphatechloridesodiumpotassium60s
- Q7At rest, ____ is more prevalent outside the neuron than inside the neuron.calciumpotassiumphosphatesodium60s
- Q8Which ion is responsible for causing synaptic vesicles to bind to the presynaptic membrane and release neurotransmitter into the synaptic cleft?potassiumchloridesodiumcalcium60s
- Q9The sodium-potassium pump, removes ____ sodium ions from the cell and brings two potassium ions into the cell.fouronethreetwo60s
- Q10When _____ leaves the cell, the neuron becomes more negative.sodiumphosphatecalciumpotassium60s
- Q11If a neuron's cellular membrane changes voltage from -65mV to -70mV, we would call this voltage change _______.depolarizationpassivehyperpolarizationactive60s
- Q12If a neuron's cellular membrane changes voltage from -65mV to -60mV, we would call this voltage change _______.hyperpolarizationpassiveactivedepolarization60s
- Q13A presynaptic membrane is on the _______.terminal buttondendriteaxoncell body60s
- Q14A postsynaptic membrane is on the _______.axondendritecell bodyterminal button60s
- Q15Which ion is responsible for the excitatory post-synaptic potential?seleniumsodiumpotassiumphosphate60s