Water enters and leaves through the gills and the fish excretory system produces large amounts of dilute urine. Terrestrial animals use a variety of methods to reduce water loss: living in moist environments, developing impermeable body coverings, production of more concentrated urine.

LU3: EXCRETION (Types of Excretory System (3. Malpighian tubules (Insects…: LU3: EXCRETION (Types of Excretory System, Excretory System, Excretory organs, Types of Excretory Products, Human Urinary System, Definition:The process of expelling the metabolic waste from the body., Purpose: To maintain a constant homeostasis.)

Urinalysis demonstrates a dilute urine with a low specific gravity. Urine osmolarity and electrolyte levels are typically low. A fluid deprivation test is another way of distinguishing DI from other causes of excessive urination. If there is no change in fluid loss, giving desmopressin can determine if DI is caused by: A urine sample with creatinine levels of >2 mg/dL or <20 mg/dL is considered diluted.

Excretion of dilute urine requires

If urine solute concentration is … Excretion of salt ions and large amounts of water in dilute urine from kidneys Water Salt Key Freshwater fish are hyperosmotic to sea water and thus will gain water and lose salt. To counter this freshwater fish: • excrete large amounts of water from the kidneys • uptake salt in the gills • Sodium and Water Physiology Consider water and Na separately as regulation is independent ECF Na + Na + content ECF volume Na + concentration … EXCRETION IN MAN Main waste products are CO 2, H 2 O and urea. The main excretion organs are the skin, kidneys and the lungs. The skin excretes water, excess salt and urea inform of sweat. Kidney excretes excess water, excess salts, and urea as urine. Lungs excrete CO 2 and H 2 O (g) in exhaled breath.

Conversely, when there is a deficit of water and extracellular fluid osmolarity is high, the kidney can excrete urine with a concentration of 1200 to 1400 mOsm/L. Equally important, the kidney can excrete a large volume of dilute urine or a small volume of concentrated urine without major changes in rates of excretion of solutes such as sodium and potassium.

See answers (1) Ask for details ; Follow Report Log in to add a comment to add a comment Se hela listan på iris-kidney.com • The reabsorption of solute in the proximal tubule results in the reabsorption of a proportional amount of water. 5. • The thick ascending limb, is the major site where solute and water are separated.

LU3: EXCRETION (Types of Excretory System (3. Malpighian tubules (Insects…: LU3: EXCRETION (Types of Excretory System, Excretory System, Excretory organs, Types of Excretory Products, Human Urinary System, Definition:The process of expelling the metabolic waste from the body., Purpose: To maintain a constant homeostasis.)

transport of sodium and chloride ions out of the descending loop of Henle 3. the presence of ADH Excretion Of Dilute Urine Requires Adrenal Glands And Kidneys Select The Correct Statement Terms in this set (28) Excretion of dilute urine requires _____. A) the presence of ADH B) relative permeability of the distal tubule to water C) impermeability of the collecting tubule to water D) transport of sodium and chloride ions out of the descending loop of Henle Excretion of dilute urine requires.

As the renal artery approaches the kidney, it branches to supply the renal tissue. Excretion of dilute urine requires 1. relative permeability of the distal tubule to water 2. transport of sodium and chloride ions out of the descending loop of Henle 3. the presence of ADH Excretion Of Dilute Urine Requires Adrenal Glands And Kidneys Select The Correct Statement Terms in this set (28) Excretion of dilute urine requires _____.
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Specific gravity determines the concentration of urine – it compares water content to the number of substances in the urine. Regular urine has a specific gravity between 1.002 and 1.030. Urine with a specific gravity between 1.001 and 1.003 is considered The usual causes of this state are damaged kidneys, which make no effort to reabsorb sodium, and which fail to respond normally to ADH. Thus sodium excretion continues in spite of low sodium, and the urine remains dilute in spite of the fact that there may be hypovolemia. Your kidneys are normal, and they are trying to dump dilute urine, but you just keep on taking on more and more fluid, either because you are insane, or the doctor gave you 10 bags of 5% dextrose. Dietary solute deficiency leading to impaired water excretion.

Use the fractional excretion of •Urine is much more concentrated than blood •The cooperative action and precise arrangement of the loops of Henle and collecting ducts are largely responsible for the osmotic gradient that concentrates the urine •NaCl and urea contribute to the osmolarity of the interstitial fluid, which causes reabsorption Hormonal Regulation of Urine Atrial Natriuretic Peptide (ANP) Hormone produced by the heart in response to increased blood volume and pressure Decreases sodium reabsorption in the distal convoluted tubule and the collecting duct, water stays in the filtrate Also inhibits production of aldosterone and renin Making more dilute urine.
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Comparative evaluation of disc diffusion and E-test with broth micro-dilution in ON BLOOD LEVEL AND URINARY EXCRETION OF SULPHANILAMIDE,

impermeability of the collecting tubule to water d. relative permeability of the distal tubule to water Excretion of dilute urine requires. 1. relative permeability of the distal tubule to water. 2. transport of sodium and chloride ions out of the descending loop of Henle.