5750659
Descrição
Quiz por Daniel Whiting, atualizado more than 1 year ago
|
Criado por Daniel Whiting
mais de 8 anos atrás
|
|
Questão 1
Questão
The resting membrane potential of a neuron is typically about
Responda
-
-40 to -70mV
-
40 to 70mV
-
0mV
-
90mV
Questão 2
Questão
An action potentials amplitude can vary greatly.
Responda
- True
- False
Questão 3
Questão
Passive current flow in a neuron is efficient enough for transmission.
Responda
- True
- False
Questão 4
Questão
The current for an action potential is generated by ___.
Responda
-
An efflux of Na+ ions
-
An influx of Na+ ions
-
An influx of K+ ions
-
An influx of Cl- ions
Questão 5
Questão
Ion influx is facilitated by ___.
Responda
-
Co-Transporters
-
Active transporters
-
Ion channels
-
Action potentials
Questão 6
Questão
Ion concentration gradients are established by ___.
Responda
-
Active transporters
-
Ion channels
-
Action potentials
-
Ions
Questão 7
Questão
The Nernst Equation predicts...
Responda
-
The action potential
-
The receptor potential
-
The threshold potential
-
The equilibrium potential
Questão 8
Questão
The undershoot phase of an action potential is due to
Responda
-
K+ Permeability
-
Na+ Permeability
-
Action Potential
-
Resting Membrane Potential
Questão 9
Questão
The method of controlling membrane potential while also measuring permeability changes.
Responda
-
Patch clamp method
-
Voltage clamp method
-
Permeability test
-
Extracellular recordings
Questão 10
Questão
Myelination improves...
Responda
-
Conduction velocity
-
Ion channel efficiency
-
The refectory period
-
None of these
Questão 11
Questão
Conduction using nodes of ranvier is called.
Responda
-
Conduction velocity
-
Hyper Conduction
-
Saltatory
-
Myelinated conduction
Questão 12
Questão
The two types of cells responsible for myelination are ___.
Responda
-
Oligodendrocytes and Schwann Cells
-
Neurons and Astrocytes
-
Microglial and Astrocytes
-
Lower Motor Neurons and Upper Motor Neurons
Questão 13
Questão
There are 3 times as many glial cells as there are neurons.
Responda
- True
- False
Questão 14
Questão
The method of measuring single ion channels.
Responda
-
Extracellular recording
-
Voltage clamp method
-
Patch clamp method
-
Ion testing
Questão 15
Questão
How many transmembrane units make up one Na+ or Ca+ channel
Responda
-
24
-
4
-
7
-
1
Questão 16
Questão
Hodgkin and Huxely used what method to determine what ions were flowing.
Responda
-
Patch Clamp method
-
Voltage Clamp method
-
Intracellular Recordings
-
All of these
Quer criar seus próprios Quizzes gratuitos com a GoConqr? Saiba mais.