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L6 physiology, Regulation of ABP 2.

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MCQ



1️⃣ - about Atrial mechanoreceptors :

A – stimulate by increase plasma volume.
B- it send its impulse to thalamus through vagus nerve.
C – it increase secretion of ADH.
D – all of the above.

2️⃣ - Renin secretion increase by :

A – decrease ABP.
B – renal ischemia.
C- sympathetic stimulation.
D – all of the above.

3️⃣ - ACE is secrted from :

A- lungs.
B – kideny.
C – liver.
D – heart.

4️⃣ - about Renin angitensin system which is false ;

A – angiotension 2 has strong V. C. Effect.
B – Renin act on beta globulin called angiotensiongen.
C – angitensin1 is converted to angiotensin 2 by ACE.
D – all of the above.

5️⃣ - ANP :

A – increase plasma volume stimulate it. 
B – it increase excrtion of H2O & Na in urine.
C – it decrease blood volume back to normal.
D – all of the above.

6️⃣ - all of the following occure in diarrhea expect :

A – increase secretion of ADH.
B – decrease secretion of ADH.
C – Renin angitensin system is activited.
D – decrease excrtion of H2O & Na in urine.

True or false 

7️⃣ - hormonal mechanism is intermediate mechanism.

8️⃣ - impulse from atria mechanoreceptors are carried through vagus nerve to hypothalmis.

9️⃣ - angiotension 2 activate aldosterone to increase excrtion of H2O & Na in urine.

🔟 – angiotension 2 is 50 times  potent than adrenaline.

MCQ answers

1️⃣ - A

2️⃣ - D

3️⃣ - A

4️⃣ - B

5️⃣ - D

6️⃣ - B


True or false answers

7️⃣ - false

8️⃣ - ture

9️⃣ - false

🔟 – ture













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