Tags Biology

Animals & Plants Arts & Entertainment Auto Beauty & Health Books and Literature Business Electronics Engineering & Technology Food & Drink History Hobbies Jobs & Education Law & Government Math People & Society Science Social Studies Sports Travel & Places

0

Subjects>Science>Biology

Does the sympathetic nervous system primarily cause vasodilation or vasoconstriction in the body?

Joesph Kling ∙

Lvl 10

∙ 2mo ago

Updated: 1/18/2025

The sympathetic nervous system primarily causes vasoconstriction in the body.

AnswerBot

∙ 2mo ago

Still curious? Ask our experts.

Chat with our AI personalities

Professor

I will give you the most educated answer.

Chat with Professor

Coach

Success isn't just about winning—it's about vision, patience, and playing the long game.

Chat with Coach

Blake

As your older brother, I've been where you are—maybe not exactly, but close enough.

Chat with Blake

Add your answer:

Earn +20 pts

Q: Does the sympathetic nervous system primarily cause vasodilation or vasoconstriction in the body?

Write your answer...

Submit

Still have questions?

imp

Continue Learning about Biology

Is vasoconstriction controlled by the sympathetic or parasympathetic nervous system?

Vasoconstriction is primarily controlled by the sympathetic nervous system.

How does the sympathetic nervous system regulate blood flow through the process of vasodilation or vasoconstriction?

The sympathetic nervous system regulates blood flow by causing either vasodilation (widening of blood vessels) or vasoconstriction (narrowing of blood vessels). When activated, the sympathetic nervous system releases norepinephrine, which binds to receptors on blood vessels. This can either relax the smooth muscle in the vessel walls, causing vasodilation and increased blood flow, or contract the smooth muscle, leading to vasoconstriction and decreased blood flow.

What are the effectors that cause vasodilation and vasoconstriction?

Vasodilation is primarily caused by factors like nitric oxide, prostaglandins, and certain medications like calcium channel blockers. On the other hand, vasoconstriction is mainly brought about by substances such as endothelin, angiotensin II, and sympathetic nervous system activation through norepinephrine release.

How does the sympathetic nervous system regulate blood flow through the process of vasoconstriction or vasodilation?

The sympathetic nervous system regulates blood flow by causing either vasoconstriction, which narrows blood vessels and reduces blood flow, or vasodilation, which widens blood vessels and increases blood flow. This control helps adjust blood flow to different parts of the body based on the body's needs.

How does sympathetic activation affect blood vessel diameter, leading to either vasodilation or vasoconstriction?

Sympathetic activation can cause blood vessels to either dilate (vasodilation) or constrict (vasoconstriction) by releasing neurotransmitters that bind to receptors on the blood vessel walls. When the sympathetic nervous system is activated, it releases norepinephrine, which can bind to alpha-adrenergic receptors on blood vessels, causing them to constrict and decrease blood flow. Alternatively, the release of epinephrine can bind to beta-adrenergic receptors, leading to vasodilation and an increase in blood flow.

Trending Questions

Seven parts of a science experiment? Which stage of the life cycle of a butterfly is useful to plants? What is a word that is opposite of the word fertile? The outer covering of the eye is formed by? What is cardic? Why do mosquitoes require blood in order to lay their eggs? What organism makes glucose using energy from the Sun? What were some discoveries during the 1900s that supported Mendel's ideas? What are the names of 4 N bases in DNA? Alternation of generations refers to? Vision and visual perception occur in what lobe? What are the seven pairs of contrasting traits that Mendel found in peas and then used in his experiments? Which nucleic acid does not carry out its function in the ribosome? How is blood cross matching performed? What is one example of how a cell uses active transport? In brochovascular markings which infection we have and what fluid overload? What molecule provides the code of instructions for the characteristics of an organism? What came first plants or bacteria? What does the pancreas secrete to raise glucose level? Which stage of memory can be thought of as the workshop of consciousness?

Related Questions

Is vasoconstriction controlled by the sympathetic or parasympathetic nervous system?

Vasoconstriction is primarily controlled by the sympathetic nervous system.

Vasodilation and vasoconstriction are controlled by what region of the body?

Vasodilation and vasoconstriction are primarily controlled by the autonomic nervous system, specifically through the actions of the sympathetic and parasympathetic nervous systems. These systems regulate blood vessel diameter to help maintain blood pressure and distribute blood flow to various organs according to the body's needs.

How does the sympathetic nervous system regulate blood flow through the process of vasodilation or vasoconstriction?

The sympathetic nervous system regulates blood flow by causing either vasodilation (widening of blood vessels) or vasoconstriction (narrowing of blood vessels). When activated, the sympathetic nervous system releases norepinephrine, which binds to receptors on blood vessels. This can either relax the smooth muscle in the vessel walls, causing vasodilation and increased blood flow, or contract the smooth muscle, leading to vasoconstriction and decreased blood flow.

What are the effectors that cause vasodilation and vasoconstriction?

Vasodilation is primarily caused by factors like nitric oxide, prostaglandins, and certain medications like calcium channel blockers. On the other hand, vasoconstriction is mainly brought about by substances such as endothelin, angiotensin II, and sympathetic nervous system activation through norepinephrine release.

How does the sympathetic nervous system regulate blood flow through the process of vasoconstriction or vasodilation?

The sympathetic nervous system regulates blood flow by causing either vasoconstriction, which narrows blood vessels and reduces blood flow, or vasodilation, which widens blood vessels and increases blood flow. This control helps adjust blood flow to different parts of the body based on the body's needs.

Does the sympathetic nervous system cause vasoconstriction?

Yes, the sympathetic nervous system causes vasoconstriction by activating alpha-adrenergic receptors on blood vessels. This response helps regulate blood pressure and redirect blood flow to vital organs during fight-or-flight situations.

How does sympathetic activation affect blood vessel diameter, leading to either vasodilation or vasoconstriction?

Sympathetic activation can cause blood vessels to either dilate (vasodilation) or constrict (vasoconstriction) by releasing neurotransmitters that bind to receptors on the blood vessel walls. When the sympathetic nervous system is activated, it releases norepinephrine, which can bind to alpha-adrenergic receptors on blood vessels, causing them to constrict and decrease blood flow. Alternatively, the release of epinephrine can bind to beta-adrenergic receptors, leading to vasodilation and an increase in blood flow.

Does the sympathetic nervous system cause vasodilation?

Yes, the sympathetic nervous system can cause vasodilation through the release of certain neurotransmitters that relax the smooth muscles in blood vessel walls, allowing them to widen and increase blood flow.

During fight or flight reaction the sympathetic nervous system causes vasodilation in skeletal muscle but vasoconstriction in the skin It is able to achieve these opposite effects because?

the muscle arterioles have α-adrenergic receptors and the skin arterioles have β-adrenergic receptors

Which part of brain control vasoconstriction?

The brainstem, specifically the medulla oblongata, regulates vasoconstriction through the autonomic nervous system. The sympathetic nervous system is responsible for increasing blood vessel tone through the release of norepinephrine, leading to vasoconstriction.

How does the sympathetic nervous system regulate vasoconstriction in the body?

The sympathetic nervous system regulates vasoconstriction in the body by releasing the neurotransmitter norepinephrine, which binds to alpha-adrenergic receptors on blood vessels. This causes the smooth muscle in the blood vessels to contract, narrowing the vessels and increasing blood pressure.

How does the nervous system's ability to trigger vasoconstriction and vasodilation impact the body's overall physiological response?

The nervous system's ability to trigger vasoconstriction and vasodilation affects the body's physiological response by regulating blood flow. Vasoconstriction reduces blood flow, increasing blood pressure and redirecting blood to vital organs during stress or cold. Vasodilation increases blood flow, helping to cool the body and deliver nutrients during exercise or relaxation. These responses help maintain homeostasis and support various bodily functions.

Still have questions?

imp

Resources

Top Categories

Product

Company

Copyright ©2025 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.