My Notes
Which of the following is true for excretion in humans?
1. Glucose and amino acids are reabsorbed in PCT by simple diffusion.
2. DCT is permeable to water.
3. On average, 25-30 gm of urea is excreted out per day.
4. Maximum reabsorption occurs in the loop of Henle.
Assertion : Urinary bladder and ureters are lined by transitional epithelium.
Reason : Ureters carry the urine to urinary bladder where it is stored temporarily.
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Assertion : During micturition, urine is prevented from flowing back into the ureters.
Reason : Urethral sphincters relax during micturition.
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
For the ejection of urine the voluntary signal is given by
(1) ANS
(2) CNS
(3) PNS
(4) Afferent arterioles
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
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