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Are drugs that cause vasoconstriction stimulant or depressants?

I believe they are stimulants due to the fact that cocaine is a stimulant and it causes vasoconstriction.


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

The sympathetic nervous system primarily causes vasoconstriction in the body.


What type of muscle tissue causes vasoconstriction?

Smooth muscle tissue causes vasoconstriction. This type of muscle tissue is found in the walls of blood vessels and is responsible for regulating blood flow by constricting and dilating the vessels.


Does sympathetic activity cause vasodilation?

No, sympathetic activity typically causes vasoconstriction, not vasodilation.


What raises smokers blood pressure?

Nicotine contained in tobacco causes vasoconstriction and increases BP.


Does the sympathetic nervous system cause vasoconstriction?

Yep! The sympathetic nervous system causes both vasoconstriction & vasodilation. During "fight or flight" you need more O2/blood delivered to your skeletal muscles. The SNS causes vasodilation in skeletal muscles. The other organs, of the body (like digestive organs) are not needed for "fight or flight" survival. The SNS causes vasoconstriction in these organs.


In which organ hypoxia cause vasoconstriction and what is the mechanism?

Hypoxia in the lungs causes vasoconstriction due to the release of hypoxic vasoconstrictor substances like endothelin-1 and serotonin in response to low oxygen levels. This vasoconstriction helps redirect blood flow to well-ventilated areas of the lungs, optimizing gas exchange.


Contraction of a vessel is called?

Vasoconstriction


What kind of molecule is an enzyme-?

The type of molecule that is an enzyme is a protein molecule.


Does Renin cause a decrease in blood pressure?

No. Renin causes the blood pressure to rise. By low blood pressure the body releases Renin from the kidneys. Renin cleaves an inactive peptide, called Angiotensinogen, converting it to Angiotensin I. Angiotensin I is then converted to Angiotensin II by ACE (Angiotensin-Converting-Enzyme). Angiotensin II causes vasoconstriction and thus an increase in blood pressure.


What enzyme is a kind of .?

catalyst.


The enzyme cholinesterase causes acetylcholine to what?

Decompose