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What of the effects could result from activation of the sympathetic nervous system?
A prominent class of motor neurons in the sympathetic nervous system are involved with vasoconstriction also with an increase in the heart rate.
Does direct neural stimulation through the sympathetic division promote many metabolic effects via hormone release?
True
What drugs suppress the sympathetic nervous system from working correctly?
Drugs that can suppress the sympathetic nervous system include beta-blockers, which block the effects of adrenaline and noradrenaline on beta-adrenergic receptors, and alpha-blockers, which block the effects of noradrenaline on alpha-adrenergic receptors. These medications are commonly used to treat conditions like hypertension, anxiety, and certain cardiac disorders.
Which hormones increases and prolongs effects of the sympathetic nervous system?
Epinephrine and norepinephrine (also known as adrenaline and noradrenaline) are hormones that increase and prolong the effects of the sympathetic nervous system. They are released from the adrenal glands during the "fight or flight" response to stress and help prepare the body for action by increasing heart rate, blood pressure, and energy availability.
Does the sympathetic and parasympathetic nerves work in opposite directions to balance each other?
Yes, the sympathetic and parasympathetic nervous systems have opposing effects to help maintain homeostasis in the body. The sympathetic nervous system activates the "fight or flight" response, while the parasympathetic nervous system triggers the "rest and digest" response. Together, they work in balance to regulate various bodily functions.
What is the parasympathetic and Sympathetic effect on the stomach?
The parasympathetic is stimulatory to stomach , increase the gastric secretion and motility while the sympathetic is inhibitory , decrease the gastric secretion and motility
Are Alpha-adrenergic effects usually stimulatory and mediatory?
yes, true
Are Alpha adrenergic effects usually stimulatory and mediatory?
yes, true
What are the symptoms of overdose of substances with stimulatory effects?
Substances with stimulatory effects may dangerously increase the heart rate and blood pressure, increase body temperature, and cause bizarre behavior. With cocaine, there is a risk of stroke.
What is between the sympathetic and the parasympathetic nervous system?
The parasympathetic and sympathetic divisions of the autonomic nervous system or antagonistic. They have opposing effects.
What does sympathomiminic mean?
An agent that mimics the effects of the sympathetic nervous system.Example: Epinephrine and norepinephrine are sympathomimetic hormones because they produce effects that mimic those brought about by the sympathetic nervous system.
The effects of sympathetic and parasympathetic stimulation of the salivary glands are called?
complementary
Are neurotransmitters always stimulatory?
No, neurotransmitters can be either stimulatory or inhibitory. Stimulatory neurotransmitters excite the receiving neuron and increase the likelihood of an action potential, while inhibitory neurotransmitters decrease the likelihood of an action potential. Both types are essential for maintaining a balance in neural signaling within the brain and nervous system.
Does the autonomic nervous system may cause activation or inhibitiom depending on the division that is active and the target that is affected?
Yes, the autonomic nervous system can cause either activation or inhibition depending on whether the sympathetic division or parasympathetic division is active, and which target organ is being affected. The sympathetic division generally activates the fight-or-flight response while the parasympathetic division promotes rest and relaxation.
The effects of the sympathetic nervous system are essentially opposite of which nervous system?
The effects of the sympathetic nervous system are essential opposite those of the parasympathetic nervous system. The sympathetic nervous system accelerates functions such as heart rate and breathing and the parasympathetic slows these bodily processes down. The sympathetic also inhibits digestion, whereas the parasympathetic stimulates digestion. The sympathetic nervous system produces "fight-or-flight" reactions, while the parasympathetic functions under relaxed conditions.
Is acetylcholine stimulatory to cardiac muscle?
False
What is a stimulatory phalloid organ?
A stimulatory phalloid organ is basically the penis of specific birds. It is made up of connective tissue and is near the anterior of the cloaca.
