Multiple Choice
A certain toxin blocks voltage-gated potassium (K^+) channels in neurons. What is the likely impact of this toxin on the resting potential of a neuron?
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45. Nervous System
Neurons and Action Potentials
Back45. Nervous System
Neurons and Action Potentials
- Multiple ChoiceShort fibers that branch out from the cell body and receive incoming messages are called:26views
- Multiple ChoiceWhich of the following best describes the function of a motor neuron (indicated by the letter A) in the nervous system?25views
- Multiple ChoiceWhich term refers to an event that activates a neuron and begins an action potential?21views
- Multiple ChoiceWhich of the following is a similarity between a hair cell and a typical neuron?22views
- Multiple ChoiceWhich nutrient is directly involved in the generation of action potentials in neurons by contributing to the depolarization phase?17views
- Multiple ChoiceHow does a neuron transport enzymes produced in the neurosoma to its axon terminals?49views
- Multiple ChoiceWhich part of a neuron contains vesicles that house neurotransmitters?22views
- Multiple ChoiceWhich of the following best describes the sequence of ion movements during the depolarization phase of an action potential in a neuron?17views
- Multiple ChoiceNeurons are cells that are involved in __________.46views
- Multiple ChoiceWhich of the following types of neurons is likely to propagate an action potential the fastest?28views
- Multiple ChoiceIn which part of a neuron is the nucleus located?20views
- Multiple ChoiceA large number of dopamine-releasing neurons are found in the __________.20views
- Multiple ChoiceWhich of the following types of neurons would normally have the shortest axon?44views
- Multiple ChoiceIn a monosynaptic synapse, how many synapses occur between the afferent and efferent neuron?26views