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WorksheetsNerve Impulse
Total questions: 20
Worksheet time: 12mins
When a neuron is at REST,
the inside of the neuron is negatively charged compared to the outside.
the inside of the neuron is positively charged compared to the outside.
there is no charge difference established
none of these is true
calcium is responsible for
signaling the release of the neurotransmitter
signaling Na to be released into the membrane
signaling the release of K out of the membrane
serving as the neurotransmitter
The gap between two communicating neurons is termed ________.
myelin sheath
synaptic cleft
node of Ranvier
action potential
A change in the external environment that initiates an impulse is known as a
synapse
response
stimulus
receptor
An electrical impulse within a single neuron is called a
synapse
membrane potential
action potential
cell body
What is the advantage of reflex actions?
They allow for quick responses to stimuli without conscious thought
They help in complex decision-making processes
They only occur in animals with advanced nervous systems
They are under voluntary control
In a simple reflex arc, what is the correct sequence of components?
Sensory neuron → Interneuron → Motor neuron
Motor neuron → Sensory neuron → Interneuron
Interneuron → Motor neuron → Sensory neuron
Sensory neuron → Motor neuron
What is a simple reflex arc?
A basic neuronal pathway that mediates a reflex action
A complex network of neurons involved in higher-order processing
A type of sensory receptor found in the skin
A type of neurotransmitter released during reflexes
