What role does Angiotensin II play in the body?
Understand the Problem
The question is asking about the physiological role of Angiotensin II in the body, and it provides multiple-choice options highlighting different functions it may have. To answer it, we need to identify the correct physiological role among the given options.
Answer
Angiotensin II constricts arterioles, increases blood pressure, and triggers hormone release.
Angiotensin II causes the muscular walls of small arteries (arterioles) to constrict, increasing blood pressure. It also triggers the release of aldosterone from the adrenal glands and antidiuretic hormone (ADH) from the pituitary gland.
Answer for screen readers
Angiotensin II causes the muscular walls of small arteries (arterioles) to constrict, increasing blood pressure. It also triggers the release of aldosterone from the adrenal glands and antidiuretic hormone (ADH) from the pituitary gland.
More Information
Angiotensin II is a crucial peptide hormone in the renin-angiotensin-aldosterone system, which helps regulate blood pressure and fluid balance in the body.
Tips
A common mistake is overlooking the role of Angiotensin II in hormone release, focusing only on its vasoconstrictive properties.
Sources
- Angiotensin II - StatPearls - NCBI Bookshelf - ncbi.nlm.nih.gov
- Angiotensin II - ScienceDirect Topics - sciencedirect.com
- Angiotensin II article on Cleveland Clinic - my.clevelandclinic.org
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