Q. No.
For the ejection of urine the voluntary signal is given by
(1) ANS
(2) CNS
(3) PNS
(4) Afferent arterioles
Atrial Natriuretic Factor (ANF) is released by
(1) Atria of heart
(2) Ventricles of heart
(3) Right atrium only
(4) Left atrium only
ANF causes
(1) Decrease of blood pressure
(2) Vasodilation
(3) Increasing the diameter of vessels
(4) All of these
Which of the following mechanisms is antigonistic to RAAS pathway?
(1) ANF mechanism
(2) Counter-current pathway
(3) Both A and B
(4) Micturition
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
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
Micturition reflex is
(1) Hormonal mechanism to control Micturition
(2) Neural mechanism to control Micturition
(3) Local mechanism to control Micturition
(4) Both B and C
Which of the following is not correct with respect to urine formed by an adult human?
1. Excretes an average 2 to 2.5 L of urine per day
2. Light yellow colored watery fluid
3. Slightly acidic 6.0 and has a characteristic odour
4. Both B and C
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