44) Which of the following is Not an action of angiotensin...

44) Which of the following is Not an action of angiotensin II? a) a potent vasoconstrictor b) increases blood pressure c) causes release of aldosterone d) causes Na+ reabsorption at the kidney e) is a mediator in inflammatory reactions 45) Which is Not true of aldosterone? a) produced in the adrenal cortex b) is a mineralocorticoid c) causes Na+ reabsorption at the kidney d) increases blood pressure e) decreases blood pressure

Transcript

00:01 This question is about angiotensin 2.

00:03 And what is not true or what is not the action of angiotensin 2? when we talk about this angiotensin, it is potent vasoconstrictor, blood vessels get constricted and as blood vessels get constricted, pressure of blood increases.

00:21 And that's why a, b, these are true and release of aldosterone, while the action of angiotensin to release of aldosterone from adrenal cortex take place which is also responsible for increase in pressure, blood pressure.

00:39 So this is also to add sodium reabsorption at the kidney, as sodium reabsorption in kidney, salt concentration or what we can say solute get increased and that's why reabsorption of water and this reabsorption of water increases quantity of blood and again here bp rises blood pressure rises so d also correct one mediator in anti -inflammatory reaction this is not the action of angiotensin 2 in inflammatory reactions there is no action of angiotensin 2 that's why this is wrong one and in this question wrong answer only we have to find out because not an action of an angiotensin 2 so option number e is it is not action of angiotensin 2 and that's why this will be our perfect answer and these all are wrong one.

01:43 Now next which is not true about aldosterone.

01:47 When we talk about aldosterone, aldosterone decreases blood pressure, this is wrong one.

01:53 Produces produced in adrenal cortex, this is perfect.

01:58 Then it is mineral corticoid, this is also right.

02:04 Sodium reabsorption in kidneys this takes place, this is the action of this aldosterone and aldosterone acts mainly on renal tubules, act on renal tubules and stimulate reabsorption of sodium and water...

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