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Which neurotransmitter is responsible for the excitatory phase of muscle contraction a. dopamine b. serotonin c. GABA d. none of the above?
None of the above. The neurotransmitter responsible for the excitatory phase of muscle contraction is acetylcholine. It is released from motor neurons at the neuromuscular junction to stimulate muscle fibers.
Do all excitatory neurotransmitters have the same effect on organs?
No, not all excitatory neurotransmitters have the same effect on organs. Excitatory neurotransmitters can have specific functions and effects on different organs and systems in the body depending on their receptor types and distribution. For example, glutamate and acetylcholine are excitatory neurotransmitters with distinct roles in the nervous system and organs.
What amino acid looks like serotonin?
None. Amino acids are the building blocks of proteins....serotonin is a neurotransmitter
What are the two excitatory neurotransmitters?
acetylcholine
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 are the excitatory neurotranmitters?
Glutamic acid (glutamate) is probably the most abundant excitatory transmitter. Others can be excitatory, such as acetylcholine, and some peptides. Aspartate is also excitatory. Finally, serotonin is often found to be exctitatory.
Which neurotransmitter is responsible for the excitatory phase of muscle contraction a. dopamine b. serotonin c. GABA d. none of the above?
None of the above. The neurotransmitter responsible for the excitatory phase of muscle contraction is acetylcholine. It is released from motor neurons at the neuromuscular junction to stimulate muscle fibers.
Can lack of serotonin cause seizures?
While serotonin plays a role in various neurological functions, a direct link between low serotonin levels and seizures is not well established. Seizures are primarily associated with imbalances in excitatory and inhibitory neurotransmitters like glutamate and gamma-aminobutyric acid (GABA). However, serotonin can influence seizure activity indirectly by modulating other neurotransmitter systems. Further research is needed to clarify the relationship between serotonin levels and seizure susceptibility.
If a neurotransmitter depolarizes the postsynaptic membrane it is referred to as?
Excitatory neurotransmitter.
What is excitatory messages?
There are two kinds of neurotransmitters - INHIBITORY and EXCITATORY. Excitatory neurotransmitters are not necessarily exciting - they are what stimulate the brain. Those that calm the brain and help create balance are called inhibitory. Inhibitory neurotransmitters balance mood and are easily depleted when the excitatory neurotransmitters are overactive.
What factor decreases the excitatory level of the spinal cord?
Fatigue decreases the excitatory level of the spinal cord
What are the main chemicals found in the brain?
The main chemicals found in the brain are neurotransmitters, such as serotonin, dopamine, and norepinephrine, which play key roles in regulating mood, behavior, and cognition. Additionally, chemicals like glutamate and gamma-aminobutyric acid (GABA) are important for regulating excitatory and inhibitory signaling in the brain.
Do all excitatory neurotransmitters have the same effect on organs?
No, not all excitatory neurotransmitters have the same effect on organs. Excitatory neurotransmitters can have specific functions and effects on different organs and systems in the body depending on their receptor types and distribution. For example, glutamate and acetylcholine are excitatory neurotransmitters with distinct roles in the nervous system and organs.
What can an overabundance of serotonin do?
Overabundance of serotonin can cause serotonin syndrome.
What does hydroxyzine do to serotonin levels?
Hydroxyzine decreases serotonin levels as it a serotonin antagonist.
Do platelets release serotonin?
No, the serotonin is collected and stored by platelets but not released by them. Serotonin is secreted by Enterochromaffin cells.
What amino acid looks like serotonin?
None. Amino acids are the building blocks of proteins....serotonin is a neurotransmitter
