Biology - Kidneys

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What is water regulation called?
Osmoregulation.
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What happens to excess water amounts?
It gets filtered out of the nephron, to the bladder and out of the urethra in the urine.
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What are the main 3 functions of Kidneys?
To remove Urea from the blood, regulate water flow and adjust ion levels.
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What happens to the glucose that is filtered?
It gets selectivly reabsorbed into the blood, against the concentration gradient.
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Why can't blood cells and protein be filtered out by ultrafiltration?
They are too big, they will not fit through into the bowmans capsule.
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What treatment is there for kidney failure?
Kidney dialysis or Kidney transplant
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What is the scientific name related to kidneys?
Renal
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To help prevent the patient rejecting its donor's kidney what is done?
A donor with a tissue type very close to the patient is chosen, the patient is treated with drugs that supress the immune system.
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What does ADH stand for?
Anti- Diretic Hormone
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What does ADH do?
It controls the water levels in the body
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What happens if you have not enough water in the body?
The brain detects water loss, the pituitary gland releases more ADH and the ADH makes the kidney reabsorb more water.
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What happens if you have too much water in the body?
The brain detects water gain, the pituitary gland releases less ADH, the lack of ADH means that the kidney reabsorbs less water.
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What is the purpose of a kidney Dialysis machine?
To replace the patients kidneys (which do not function accuratly any more) it filters their blood for them.
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What is the mechanism called that uses osmoregulation to regulate water levels in the body?
Negative feeback loop
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Other cards in this set

Card 2

Front

What happens to excess water amounts?

Back

It gets filtered out of the nephron, to the bladder and out of the urethra in the urine.

Card 3

Front

What are the main 3 functions of Kidneys?

Back

Preview of the front of card 3

Card 4

Front

What happens to the glucose that is filtered?

Back

Preview of the front of card 4

Card 5

Front

Why can't blood cells and protein be filtered out by ultrafiltration?

Back

Preview of the front of card 5
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