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Endothelial Dysfunction Quiz

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Questions and Answers

What is the main role of endothelial dysfunction?

Increase inflammation and oxidative stress (correct)

Promote vasodilation and blood flow

Enhance nitric oxide production

Reduce endothelin levels

Why is it important to maintain Nitric Oxide levels in the body?

To prevent reactive oxygen species formation

To reduce inflammation and oxidative stress (correct)

To promote vasoconstriction and blood pressure elevation

To enhance endothelin production

What are the main components of the renin-angiotensin system?

Angiotensin I, angiotensin II, and endothelin

Renin, aldosterone, and nitric oxide

Renin, angiotensin-converting enzyme, and aldosterone (correct)

Angiotensinogen, angiotensin-converting enzyme, and angiotensin II receptor

What is the role of endothelin within the human body?

Induce vasoconstriction and regulate blood pressure Signup and view all the answers

Why is it surprising to see increased RAS activation during hypertension?

Because RAS activation typically leads to vasoconstriction and sodium retention Signup and view all the answers

What is the role of vasoconstriction in the body?

Regulating blood pressure and blood flow Signup and view all the answers

What are the main components of the sympathetic and parasympathetic system activation?

Fight or flight and rest and digest Signup and view all the answers

What are two important characteristics of endothelin?

Acts as a vasoconstrictor and increases blood pressure Signup and view all the answers

What are the main factors that lead to hypertension?

Obesity and high alcohol consumption Signup and view all the answers

What is the role of urotensin in the human body?