Drugs Acting on Autonomic Nervous System - Autonomic Nervous System: General Considerations
67 important questions on Drugs Acting on Autonomic Nervous System - Autonomic Nervous System: General Considerations
What regulates autonomic functions in the autonomic nervous system?
Where are the cell bodies of autonomic afferent fibres located?
What kinds of reflexes do autonomic afferents mediate?
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What divides the motor limb of the autonomic nervous system?
What is the function of neurohumoral transmission?
Which substance was proven to be a vagal transmitter in 1926?
What modulates the release process of neurotransmitters?
How does an excitatory postsynaptic potential (EPSP) occur?
What terminates the action of neurotransmitters?
What does cotransmission imply about neurotransmitter release?
Which cotransmitter is associated with acetylcholine in autonomic cholinergic neurons?
In sympathetic nerves, which cotransmitter is known for long-lasting effects?
What is indicated by nonadrenergic, noncholinergic transmission?
Describe the time-course of action between primary transmitters and cotransmitters.
What does the autonomic nervous system (ANS) control?
What type of nerves do most visceral pathways consist of?
Where are the cell bodies of autonomic afferents located?
What reflexes do autonomic afferents mediate?
What areas in the CNS are involved in autonomic functions?
What is the highest regulatory seat for autonomic functions?
Which nuclei in the hypothalamus are primarily sympathetic?
Which organs receive innervation from both sympathetic and parasympathetic divisions?
What primarily increases sympathetic influence on atrial fibres?
Which structures only receive sympathetic innervation?
What is neurohumoral transmission?
Who suggested that sympathetic nerves release an adrenaline-like substance?
What did Otto Loewi demonstrate in 1921?
What is the transmitter found to be released by the vagus nerve?
What is the sympathetic transmitter identified in 1946?
What criteria must a substance meet to be a postjunctional neurohumoral transmitter?
How is the resting transmembrane potential established?
What happens to the Na+ conductance during stimulation of a neuron?
How is repolarization achieved following depolarization?
Which agents can block impulse conduction?
Where is the transmitter stored before release?
What causes exocytosis during transmitter release?
What happens during EPSP generation?
How does IPSP affect the membrane?
What does a suprathreshold EPSP generate?
How are transmitter actions terminated?
What mediates reuptake of transmitters like norepinephrine?
What role does cotransmission play in neural signaling?
What cotransmitters are associated with ACh in cholinergic neurons?
Which transmitter is associated with nitrergic nerves?
What can affect receptors at some distance from the site of release?
What differentiates the action time between primary transmitters and cotransmitters?
What are examples of amino acid transmitters?
What is a consequence when peptide neurotransmitters diffuse away?
In nonadrenergic, noncholinergic (NANC) transmission, what can happen?
What is the relationship between ATP and NA in sympathetic neurons?
How does cotransmission challenge the classical neurotransmitter model?
Which neurotransmitter is typically encountered in sympathetic neurons?
How many active substances can peripheral and central neurons release upon stimulation?
What regulates the postsynaptic sensitivity to primary transmitters?
What type of receptors affect transmitter release in prejunctional membranes?
What is a characteristic of cotransmitters like NO in terms of function?
How does the presence of different transmitters in a neuron complicate signaling?
What defines the function of a cotransmitter in nervous tissue?
Where do cotransmitters get stored in a neuron?
What is the role of ATP in nerve signaling within the autonomous nervous system?
How do cotransmitters affect vasoconstriction in vascular adrenergic nerves?
What is an example of a neurotransmitter involved in gastrointestinal function?
What physiological areas have shown varied responses due to cotransmission?
What does the autonomic nervous system (ANS) primarily control?
Where are the cell bodies of autonomic afferent fibres located?
Which part of the CNS regulates autonomic functions?
What mediates visceral pain and reflexes in the ANS?
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