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Micturition is...

Micturition is

A

Removal of urea from blood

B

Removal of uric acid

C

Passing out urine

D

Removal of faeces

Text Solution

Verified by Experts

The correct Answer is:
C
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Consider the following four statements (i).(iv) and select the option that correctly identifies the true (T) and false (F) ones. (i). Micturition is carried out by a reflex. (ii). ADH helps in water elimination making the urine hypotonic. (iii). Protein-free fluid is filtered from blood plasma into the bowman's capsule. (iv). Glucose is actively reabsorbed in the proximal convoluted tubule.

The outline of principal events of urination is given below in random manner. (i). Stretch receptors on the wall of urinary bladder send signals to the CNS. (ii). The bladder fills with urine and becomes distended. (iii). Micturition. (iv). CNS passes on motor messages to initiate the contraction of smooth muscles of bladder and simultaneous relaxation of urethral sphincter. The correct sequence of the event is

Micturition occurs due to

Micturition reflex is triggered by the activation of stretch receptor present on the wall of

If stretch receptors in wall of urinary bladder are destroyed (a) Micturition reflex occurs normally (b) Filling at bladder remains unaffected (c) Person has to undergo hemodialysis (d) Formation of one comes to a halt

What is micturition?

Assertion: During micturition, urine is prevented from flowing back into the ureters. Reason: Urethral sphincters contract during micturition

Parasympathetic activity during micturition causes :-

Which of the following is not associated with micturition reflex?