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Assertion :- ADH prevents diuresis. Re...

Assertion `:-` ADH prevents diuresis.
Reason `:-` ADH also affect the kidney function by its constrictory effects on blood vessels.

A

If both assertion and reason are true and reason is the correct explanation of assertion

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
B
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Explore conceptually related problems

Read the following statements about the excretory system in humans: I. A fall in GFR can activate the JG cells to release renin. II. ADH can also affect the kidney function by its constrictory effects on blood vessels. III. The proximity between the Henle's loop and vasa recta, as well as the counter-current in them help in maintaining an increasing osmolarity towards the outer medullary interstitium. IV Our lungs remove large amounts of CO_(2) (108 litres/day). V. Renal calculi are the stone or insoluble mass of crystallised salts like oxalates within the kidney. How many of these are correct?

What is the effect of ADH on blood vessels?

Decrease in blood volume activate _____which secrete ADH which prevent____and also effect kidney function by it's _____ effect on blood vessels. ltBrgt Causes____ in blood pressure. Causes____in GFR.

Assertion: ADH reduces chloride loss in Urine. Reason: ADH decreases water absorption.

Assertion: Vasopressin is also called anti-diuretic hormone (ADH) Vasopressin acts mainly at the kidney and stimulates resorption of water and electrolytes by the distal tubules and thereby reduces the loss of water through urine (diuresis).

Assertion :- Hypothalamus having osmoregulatory center. Reason:- ADH from supra optic nuclei of hypothalamus controls concentration of water.

Assertion :- ADH is secreted by hypothalamus. Reason:- Changes in osmotic pressure are noted by osmoreceptors present in the hypothalamus.

Which of the following sequence is correct? (i) An increase in body fluid volume rarr switch off the osmoreceptors rarr suppresses the ADH Release (ii) ADH rarr Constricting effect on blood vessel rarr B.P. high rarr Glomerular blood flow more rarr GFR more (iii) Angiotensinogen rarr Angiotensin I rarr Angiotensin II rarr Adrenal cortex rarr Aldosterone (iv) Angiotensin rarr ADH rarr GFR more rarr Aldosterone rarr B.P. high

Assertion : Vaccination is also called preventive inoculation. Reason: A vaccine prevents the formation of antibodies inside the body.

MOTION-EXCRETORY PRODUCTS AND THEIR ELIMINATION-EXERCISE - 4 AIIMS - Assertion & Reason Questions
  1. Assertion :- An increase in body fluid volume activate osmoreceptors ,...

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  2. Assertion :- Angiotensin II, activates the adrenall cortex to release ...

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  3. Assertion :- Nearly 99 percent of the filtrate has to be reabsorbed by...

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  4. Assertion :- The primary function of sweat is to facilitate a cooling ...

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  5. Assertion :- The descending limb of loop of Henle is permeable to wate...

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  6. Assertion :- In cortical nephrone, the loop of Henle is too short and ...

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  7. Assertion :- ADH prevents diuresis. Reason :- ADH also affect the ki...

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  8. Assertion :- The JGA plays a complex regulaltory role. Reason :- An...

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  9. Assertion :- Angiotensin II is a powerful vasconstrictor Reason :- A...

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  10. Assertion :- An increase in blood flow to the atria of heart can caus...

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  11. Assertion :- Feedback mechanism for regulartion of kidney involve hypo...

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  12. Assertion :- Analysis of urine helps in clinical diagnosis of many met...

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  13. Assertion :- Haemodialysis method is used in case of kidney failure. ...

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  14. Assertion :- Human kidneys can produce urine nearly four times concent...

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  15. Assertion :- Peritubular capillaries secrete substances in the convolu...

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  16. Assertion :- Ultrafiltration takes place in presence of effective filt...

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  17. Assertion :- Proximal convoluted tubule is lined by brush-bordered cub...

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  18. Assertion : Diabetes insipidus iS marked by excessive urination and to...

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  19. Assertion :- Antidiuretic hormone, increases the water permeability of...

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  20. A: Tubular secretion is of considerable importance in larine teleost f...

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