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In micturition...

In micturition

A

Urethra relaxes

B

Ureter contracts

C

Ureter relaxes

D

Urethra contracts

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Verified by Experts

The correct Answer is:
A
(a) Process of passing out of urine is called micturition. During discharge of urine urethral sphincters relaxes and smoot muscles of bladder wall contract gradually.
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Assertion: During micturition, urine is prevented from flowing back into the ureters. Reason: Urethral sphincters contract during micturition

Parasympathetic activity during micturition causes :-

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Give the names of the hormones released by neurohypophysis. A boy shows excessive thirst and micturition because of deficiency of a hormone secreted by neurohypophysis. Name the disease he is suffering from.

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Assertion. The urinary bladder has a well developed, 3-layered detrusor muscle in its wall. Reason. Bladder gradually contracts to drive urine out during micturition.

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The micturition reflex

What is micturition?

ERRORLESS -EXCRETORY PRODUCTS AND THEIR ELIMINATION-Excretory Products And Their Elimination
  1. The extraction of urine from blood takes place through

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  2. Which one of the following statements in regard to the exretion by the...

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  3. In micturition

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  4. The net pressure gradient that causes the fluid to filter out of the g...

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  5. Vasopressin is related with

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  6. Which one of the following is not a part of a renal pyramid

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  7. Which of the following statements is/are true (1) Urine is hypertoni...

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  8. In a healthy individual, GFR is about /min, the volume of the filtrate...

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  9. Blacking of urine when exposed to air a metabolic disorder in human be...

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  10. In public urinals, the urine on standing gives a pungent smell, due to...

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  11. Which one of the following statement is correct respect to kidney func...

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  12. At menopause there is rise in urinary exretion of

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  13. Prostaglandins affect

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  14. Which one do not filter out from blood to Bowman's capsule in glomerul...

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  15. Which one is component of ornithine cycle

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  16. Select the correct statement

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  17. Ornithine is converted into citruline by an enzyme

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  18. Vasopressin stimulates reabsorption of water and reduction of urine se...

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  19. The part of nephron involved in active reabsorption of sodium is

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  20. Which of the following statements on human kidney is false

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