Function Tests: Kindney

Question 1

What is this kidney function test called?

Answer 1

Water Deprivation Test

Question 2

If water is withheld from the body, what should the urine do?

Answer 2

should be concentrated

Question 3

What controls the water conservation feedback loop?

Answer 3

vasopressin - ADH (antidiuretic hormone)

Question 4

How does ADH work in the water conservation feedback loop?

Answer 4

is released from the hypothalamus signals kidneys to retain water

Question 5

What is this process for?

1. Withhold food and water, collect urine and weigh animal hourly
2. End test when animal has lost 5% of body weight
   - 3-18 hours
3. Collect final urine sample, check specific gravity

Answer 5

testing kidney function