ADH

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Antidiuretic hormone
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Read statement A-D :- (A) When some one drinks lot of water, ADH release is decreased. (B) Exposure to cold temperature suppress ADH release (C ) Caffeine in Tea and coffee increase sodium absorption from DCT and collecting ducts (D) ADH also cause vasodilation Which statements are correct? (a) A and C (b) A and B (c) C and D (d) B and D

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 (a) i, ii and iii (b) i, ii and iv (c) ii, iii and iv (d) iii, iv and ii

In the following questions , a statement of assertion (A) is followed by a statement of reason (R). A: ADH response is observed during increased osmolarity due to dehydration. R : Vasopressin promotes water uptake from collecting ducts and DCT.

How many of the given statements are correct? A. Hypothalamus is the centre for eating and drinking. B. Corpus callosum is made up of nerve fibres. C. ADH is synthesized by the posterior pituitary. D. Balancing by semicircular canals is done by the macula.

Suppose you are developing a new drug, and have found that when it is administered in humans there is a substantial increase in the volume of urine produced. When you administer antidiuretic hormone (ADH or vasopressin) at the same time, the volume of urine returns to normal. Which hypothesis best fits these observations ? The new drug ?

Choose the incorrect match: 1) Cretinism- Deaf mustim due to hyposecretion of thyroxine 2) Goitre- Enlargement of thyroid gland due to hyperscretion of TSH 3) Diabetes insipidus- Diuresis due to hyposecretion of ADH 4) Myopia- This defect can be overcome by using convex lens

During summer when body loses more water due to profuse sweating and dehydration what will happen? (a) Osmolarity of body fluids decreases (b) Decrease in secretion of Atrial natriuretic peptide (c) Decrease in secretion of ADH from pituitary (d) Increase in glomerular filtration rate

Which of the following statements are false / true (A) Calcitonin regulates the metabolism of calcium (B) Oxytocin stimulates contraction of uterine muscles during birth (C ) Grave's disease is caused by malfunctioning of adrenal gland (D) ADH stimulates absorption of water and increase the urine production

Assertion : ADH and RAAS work in response to low blood volume and blood pressure Reason : ANF works in response to high blood volume and blood pressure. (a) both are true with reason being correct explanation (b) both are true but reason is not correct explanation (c) assertion is true but reason is wrong (d) both are wrong

The given figure represents a single nephron from a mammalian kidney. Identify the labelled parts, match them with the functions (i-iv) and select the correct option. (i). The site of ultrafiltration. (ii). Particularly sensitive to ADH. (iii). The main site for the reabsorption of glucose and amino acids. (iv). Largely responsible for the maintenance of blood pH.

ICSE-EXCRETORY PRODUCTS AND THEIR ELIMINATION-TEST YOUR PROGRESS ( VERY SHORT ANSWER TYPE QUESTIONS )
  1. Name the structures that pass through the renal hilus.

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  2. How would each of the following affect fluid balance: Hyperventilation...

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  3. Name the major cation and the two major anions in ECF, and in ICF.

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  4. Substance T is present in the urine. Does this prove that it is filter...

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  5. What type of epithelium forms the parietal layer of the glomerular cap...

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  6. Suppose a calculus (stone) is blocking a major calyx, what effect migh...

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  7. How does filtered glucose enter and leave a proximal convoluted tubule...

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  8. Besides ADH, which other hormones contribute to the regulation of wate...

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  9. Which portions of the renal tubule and collecting duct reabsorb more s...

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  10. What happens to glomerular filtration rate (GFR) if blood pressure in ...

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  11. What solutes contribute to the high osmotic pressure of interstitial f...

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  12. What happens to plasma proteins during hemodialysis?

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  13. ADH

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  14. Give scientific term for the act of passing out the urine.

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  15. Solenocytes/ flame cells are excretory structures of

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  16. Name the cortical portions projecting between the medullary pyramids i...

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  17. Name the following: b. Cortical portions projecting between the medu...

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  18. Which of the following subtances is actively secreted into glomerular ...

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  19. Which of the following is the correct sequence of processes involved i...

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  20. What is the procedure advised for the correction of extreme renal fail...

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