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Smart Reasoning:

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Qaagi - Book of Why

Causes

Effects

by Na+(passive) caused bydepolarization / Na+ entry Action potential

When K channelscontributeto the repolarization of action potentials

in turncausesprolongation of action potentials

by the previous action potential(passive) were caused bynondriven action potentials

the previous action potential(passive) were caused bynondriven action potentials

The congenital long QT syndrome ... cardiac K and Na channelsresultin prolongation of the ventricular action potential

cardiac ion channelsresultin prolongation of ventricular action potential

Na+ channelsresultin prolongation of the ventricular action potential

one or more ion currentsleadingto prolongation of the ventricular action potential

the cell ... it more likelyto setup a nerve impulse ( action potential

can activate dendritic sodium channelsthereby causingdendritic action potentials

Quinidines effect of inhibiting the outward flow of potassiumadditionally causesan elongation of the action potentials

Persistent currents have been foundto ... influenceaction potential thresholds in axons

These chemical molecule or ' ligand - triggered ' ion gates ... the ' voltage - triggered ' ion gatessetoff action potentials

All types of high - voltage activated ( HVA ) VGCCs ( L - type , N - type and P / Q typecontributeto the kinetics of action potentials

4 Decreased conductance of sodiumcausesinactivation of the action potential

also(passive) can ... be causedProlongation of the action potential of cardiomyocytes

This inactivation autotraxing the Na channels and activation of K channelsresultin repolarization of the action potential

Drugs blocking these channelscan leadto a prolongation of the action potential

This blocks the passage of nerve stimulusresultingin inactivation of the action potential

A gain of function mutation in the sodium channelwould resultin prolongation of the action potential

the cardiac ion channelsleadingto prolongation of the action potential

mislocalization of VGSC(passive) caused byimpaired action potential

a persistent inward current or by a reduction in outward K currents(passive) can therefore be caused byProlongation of the action potential

Depolarizationcan resultin prolongation of the action potential

Instead , they inhibit Nav channel fast inactivationresultingin a prolongation of the action potential

Reduction in IKrmay causethe prolongation of the action potential

therefore(passive) can ... be causedProlongation of the action potential

Hypomagnesemia , like hypokalemia and hypocalcemiacan leadto prolongation of the action potential

by neural stimulation in one embodiment(passive) caused bythe action potential of the neuron

transmembrane ion channelscausingpropagation of the action potential

K+ channels in the sensory neuroncausingbroadening of the action potential

a subset of K+ channels in the sensory neuroncausingbroadening of the action potential

the sensory neuroncausingbroadening of the action potential

the currentresultingfrom the regenerative action potential

triggers a large postsynaptic response in distal IN dendriteeffectively resultingin a dendritic action potential

an abilityto originatepropagate action potential

AND k+to setoff the action potential Action potential

As a result , inactivation of the channel becomes slowerleadingto a broadened action potential

inward calcium currents which produce prolonged action potentials and increased cytoplasmic calcium concentrationscontributinginward calcium currents which produce prolonged action potentials and increased cytoplasmic calcium concentrations

chain reactionscan causechain reactions

in Ca2 +resultin Ca2 +

from an area around the electrode tiporiginatingfrom an area around the electrode tip

to the opening of the voltage - gated calcium channels resulting in an inward currentleadsto the opening of the voltage - gated calcium channels resulting in an inward current

to the workledto the work

calcium currents which produce prolonged action potentials and increased cytoplasmic calcium concentrationscontributing inwardcalcium currents which produce prolonged action potentials and increased cytoplasmic calcium concentrations

from activation of voltage - operated calcium channelsresultfrom activation of voltage - operated calcium channels

to the release of neurotransmitterwould no longer leadto the release of neurotransmitter

to the release of neurotransmitterwould no longer leadto the release of neurotransmitter

at any pointoriginateat any point

synaptic depressioncausesynaptic depression

the release of neurotransmitters from the synaptic terminal into the synaptic cleft , where they can then diffuse across the synaptic cleft and bind to a receptor molecule on the motor end platecausethe release of neurotransmitters from the synaptic terminal into the synaptic cleft , where they can then diffuse across the synaptic cleft and bind to a receptor molecule on the motor end plate

to depolarizationleadsto depolarization

to regulation of neuronal excitabilitycontributingto regulation of neuronal excitability

to the generation of subsequent action potentialscontributeto the generation of subsequent action potentials

the intrinsic cardiac nervous system and the heartinfluencethe intrinsic cardiac nervous system and the heart

the intrinsic cardiac nervous system and the heart and other organ systemsinfluencethe intrinsic cardiac nervous system and the heart and other organ systems

in larger calcium transientsresultin larger calcium transients

the release of the neurotransmitter acetylcholinecausesthe release of the neurotransmitter acetylcholine

depolarization of the cellcausesdepolarization of the cell

the calcium channels to opencausesthe calcium channels to open

to mimic native input at frequencies associated with stress , 15 Hz , and the basal sympathetic tone , 0.5 Hzdesignedto mimic native input at frequencies associated with stress , 15 Hz , and the basal sympathetic tone , 0.5 Hz

activation of calcium currentcausesactivation of calcium current

eventuallycauseseventually

the releasecausesthe release

symptomscausingsymptoms

voltage - gated calcium channelscausesvoltage - gated calcium channels

Shortening of the atrial refractory period and(passive) may be causedShortening of the atrial refractory period and

in the motor - end plates and is initiated from an afferent nervous impulse to neuromuscular jointoriginatesin the motor - end plates and is initiated from an afferent nervous impulse to neuromuscular joint

an electrical currentcausesan electrical current

a conformational change in voltage gated Calcium channels allowing Calcium ions ( Ca++ ) to flow into the neuron ( at the terminal portion of the axon ) from the extracellular fluidcausesa conformational change in voltage gated Calcium channels allowing Calcium ions ( Ca++ ) to flow into the neuron ( at the terminal portion of the axon ) from the extracellular fluid

another twitchto causeanother twitch

firing(passive) caused byfiring

to QT prolongationleadsto QT prolongation

to at least part of the underlying mechanism of stretch - initiated contractionscontributesto at least part of the underlying mechanism of stretch - initiated contractions

from a decrease in a specific K+ current and an enhancement of the Ca2 + transients elicited by depolarizationresultingfrom a decrease in a specific K+ current and an enhancement of the Ca2 + transients elicited by depolarization

early afterdepolarizations in a Ca - independent mannercausesearly afterdepolarizations in a Ca - independent manner

to its anesthetic effectsleadingto its anesthetic effects

in a contraction of the myocardium ( i.e. , an excitatory stimulationresultingin a contraction of the myocardium ( i.e. , an excitatory stimulation

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