Basic Clinical Laboratory Techniques 6E
6th Edition
ISBN: 9781133893943
Author: ESTRIDGE
Publisher: Cengage
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Question
Which of the following are an effect of angiotensin II production?
Select all that apply.
Group of answer choices
ADH release
Rise in blood pressure
Aldosterone release
Vasodilation
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Introduction
The renin-angiotensin-aldosterone system involved in the regulation of blood pressure, maintain the electrolyte level and water balance in the body. Aldosterone, Renin, and Angiotensin are the three hormones that play a key role in this system. Renin is synthesized and released by the juxtaglomerular apparatus of the kidney. Angiotensinogen is released by the liver and this precursor protein is cleaved by renin to give angiotensin I which is converted to angiotensin II.
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- Which of these is a vasoconstrictor? nitric oxide natriuretic hormone brady kinin angiotensin IIarrow_forwardExplain the steps of renin conversion to angiotensin II that take place once renin is secreted into the blood. Be specific and don’t use abbreviationsarrow_forwardWhich of the following is NOT an action of angiotensin II? Select one: a. Increases thirst b. Vasoconstriction of arterioles c. Decreases peripheral resistance d. Increases aldosterone secretion e. Increases ADH secretionarrow_forward
- Which of the following mediators causes vasodilation ? Group of answer choices Nitric oxide Angiotensin II Epinephrine Vasopressinarrow_forwardLisinopril is a drug which inhibits the angiotensin-converting enzyme (ACE). What do you expect the effect of this drug to be ? Group of answer choices Vasodilation Vasoconstriction Water retentionarrow_forwardSodium-Potassium Pumps (N+/K+ ATPase) are fundamental to your body’s physiological function. What is the connection/importance of this phenomenon in the circulatory system with examples?arrow_forward
- When blood pressure is low, the presence of of arteriole to help maintain blood pressure. O Angiotensin I, vasodilation O angiotensin I, vasoconstriction O Angiotensin II, vasovaconstriction O angiotensin II, vasodilation O renin, vasodilation in the bloodstream causesarrow_forwardThe long-term regulation of arterial blood pressure is controlled by the Renin-Angiotensin-Aldosterone system (RAA system). Explain how the activation of the RAA system is initiated.arrow_forwardA patient you are monitoring has been on Telmisartan (Cozaar), an angiotensin receptor blocker for managing their hypertension. The drug must be metabolized by CYP2C9 or CYP3A4 from a 5-methanol to a 5-carboxylic acid to exhibit its effects. After 2 years of successful therapy, their blood pressure suddenly increases. Why might this occur, and what would you suggest as a substitute?arrow_forward
- When Jay had diarrhea his blood pressure dropped so his body took an action to compensate. Which one of the followings would better describe the mechanism Question 64 options: BP drop affects blood vessels baroreceptors and activates renin-angiotensin-aldosterone mechanism leading to increase ADH release BP drop affects blood vessels baroreceptors and activates renin-angiotensin-aldosterone mechanism leading to decrease ADH release BP drop affects blood vessels baroreceptors and inhibit renin-angiotensin-aldosterone mechanism leading to decrease ADH release BP drop affect blood vessels baroreceptors and inhibit renin-angiotensin-aldosterone mechanism leading to increase ADH releasearrow_forwardHow does the hormone Angiotensin II affect MAP? it increases CO by increasing HR and SV it increases MAP by causing rapid vasoconstriction it increases MAP by stimulating the kidneys to retain Na+ and therefore water which increases blood volume and therefore MAP it decreases MAP by causing systemic vasodilationarrow_forwardFill in the blanks to complete the RAA pathway.arrow_forward
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