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Is noradrenaline excitatory?
Yes, noradrenaline is generally considered excitatory in the brain and central nervous system. It promotes arousal, alertness, and the "fight or flight" response by enhancing neuronal activity and transmission.
What is the difference between the way excitatory and inhibitory transmitters work?
As a rule more than one presynaptic action potential is needed to fire the postsynaptic neuron or muscle so that the trigger to initiate an action potential are either many subthreshold local potentials from different sources or from the same neuron received within a short period of time. The first case is called spatial summation and the second case is called temporal summation. Whether a postsynaptic potential (another term for a local potential) is excitatory or inhibitory depends on what ion channels are affected by the transmitter released from the presynaptic vesicles.
What is synaptic potential?
A synaptic potential is a change in the electrical potential of a neuron in response to the release of neurotransmitters at a synapse. It can be either excitatory, causing depolarization and promoting action potential firing, or inhibitory, causing hyperpolarization and reducing the likelihood of action potential firing. These changes in potential are essential for communication between neurons in the brain.
What occurs when neurons are released into the synaptic cleft?
Neurotransmitters are released into the synaptic cleft where they bind to receptors on the postsynaptic neuron. This triggers a response in the postsynaptic neuron, either excitatory or inhibitory, which can lead to the generation of an action potential. The neurotransmitters are then either broken down or taken back up by the presynaptic neuron for recycling.
What is inhibitory effect?
Inhibitory effect refers to the action of slowing down or preventing a biological process from occurring. In the context of pharmacology, it can refer to the ability of a drug to reduce or block a specific physiological response in the body. Inhibitory effects can vary in strength and specificity depending on the substance or mechanism involved.
What is the response when receiving the body of Christ?
Amen
What is the response to the priest when receiving communion?
Amen
What happens when the impulses reaches the axon terminal?
Neurotransmitters are released and go into the synaptic cleft.
What component of the reflex arc determines the response to a stimulus?
The component that determines the response to a stimulus in a reflex arc is the interneuron. This neuron receives the sensory input from the sensory neuron, processes the information, and then sends signals to initiate the appropriate motor response via the motor neuron.
Who determines that a Level 1 emergency response can be terminated?
Explosives Ordinance Disposal Specialist
What is your response when a Catholic priest offers us the Precious Blood?
Your response is "Amen" as you bow your head slightly; same as receiving the precious bread
How do you say you are welcome to the gift?
You can say "You're welcome" or "My pleasure" in response to receiving a gift.
