Which of the following is a powerful vasoconstrictor?

(1) Angiotensinogen

(2) Angiotensin I

(3) Angiotensin II

(4) Rennin

Subtopic:  Autoregulation of GFR |
 86%
From NCERT
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Angiotensin II has effects over

(1) Adrenal medulla

(2) Adrenal cortex

(3) Blood vessels

(4) Both B and C

Subtopic:  Autoregulation of GFR |
 66%
From NCERT
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Aldosterone causes reabsoption of

(1) Na+

(2) Water

(3) Na+ and water

(4) Na+, urea, water

Subtopic:  Autoregulation of GFR |
 82%
From NCERT
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RAAS pathway involves

(1) Renin

(2) Rennin

(3) Rumen

(4) Rinun

Subtopic:  Autoregulation of GFR |
 94%
From NCERT
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For the ejection of urine the voluntary signal is given by

(1) ANS

(2) CNS

(3) PNS

(4) Afferent arterioles

Subtopic:  Micturition Reflex |
 87%
From NCERT
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Atrial Natriuretic Factor (ANF) is released by

(1) Atria of heart

(2) Ventricles of heart

(3) Right atrium only

(4) Left atrium only

Subtopic:  Autoregulation of GFR |
 90%
From NCERT
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ANF causes

(1) Decrease of blood pressure

(2) Vasodilation

(3) Increasing the diameter of vessels

(4) All of these

Subtopic:  Autoregulation of GFR |
 95%
From NCERT
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Which of the following mechanisms is antigonistic to RAAS pathway?

(1) ANF mechanism

(2) Counter-current pathway

(3) Both A and B

(4) Micturition

Subtopic:  Autoregulation of GFR |
 78%
From NCERT
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From where does the signal for Micturition arise?

(1) By stretching of the urinary bladder

(2) By relaxing of urniary bladder

(3) By reduction in the size of urinary bladder

(4) By contraction of urinary bladder

Subtopic:  Micturition Reflex |
 85%
From NCERT
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The release of urine does not take place by

(1) Contraction of smooth muscles of the bladder

(2) Simultaneous relaxation of urethral sphincter

(3) Relaxation of smooth muscels of the bladder

(4) Both B and C

Subtopic:  Micturition Reflex |
 64%
From NCERT
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