Multiple Choice
Which part of the pancreas is responsible for producing insulin?
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16. The Endocrine System
Introduction to the Endocrine System
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The function of angiotensin II is to ________.
A
stimulate the release of thyroid hormones
B
inhibit the secretion of antidiuretic hormone (ADH)
C
decrease blood glucose levels
D
increase blood pressure by causing vasoconstriction
Verified step by step guidance1
Understand the role of angiotensin II in the body: Angiotensin II is a peptide hormone that plays a critical role in regulating blood pressure and fluid balance.
Recognize the mechanism of action: Angiotensin II primarily increases blood pressure by causing vasoconstriction, which is the narrowing of blood vessels. This reduces the diameter of the vessels, increasing resistance and raising blood pressure.
Identify additional effects: Angiotensin II also stimulates the release of aldosterone from the adrenal glands, which promotes sodium and water retention in the kidneys, further contributing to increased blood pressure.
Eliminate incorrect options: The release of thyroid hormones, inhibition of antidiuretic hormone (ADH), and decreasing blood glucose levels are not functions of angiotensin II. These options are unrelated to its primary role in blood pressure regulation.
Conclude the correct answer: Based on the physiological role of angiotensin II, the correct answer is 'increase blood pressure by causing vasoconstriction.'
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