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Questions and Answers
What happens to the production of ADH when the water potential of the blood increases?
What happens to the production of ADH when the water potential of the blood increases?
A dialysis machine maintains a concentration gradient by adding urea to the dialysis fluid.
A dialysis machine maintains a concentration gradient by adding urea to the dialysis fluid.
False
What is the primary reason for increasing the temperature to 40 °C in a dialysis machine?
What is the primary reason for increasing the temperature to 40 °C in a dialysis machine?
To increase the rate of diffusion.
Dialysis tubing is a semipermeable membrane that allows small molecules such as _____ to pass through.
Dialysis tubing is a semipermeable membrane that allows small molecules such as _____ to pass through.
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Match the components of dialysis with their functions:
Match the components of dialysis with their functions:
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What is the consequence of less ADH in the collecting duct?
What is the consequence of less ADH in the collecting duct?
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Negative feedback helps the body return conditions to normal after a change.
Negative feedback helps the body return conditions to normal after a change.
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What role does fresh dialysis fluid play in the dialysis process?
What role does fresh dialysis fluid play in the dialysis process?
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What role does anti-diuretic hormone (ADH) play in the body?
What role does anti-diuretic hormone (ADH) play in the body?
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ADH decreases the amount of water reabsorbed by the kidneys.
ADH decreases the amount of water reabsorbed by the kidneys.
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What is the physiological response of osmoreceptors when blood water potential is low?
What is the physiological response of osmoreceptors when blood water potential is low?
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ADH is released from the posterior __________ gland.
ADH is released from the posterior __________ gland.
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Which of the following describes the osmotic movement of water in the collecting duct?
Which of the following describes the osmotic movement of water in the collecting duct?
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Match the following treatments for kidney failure with their functions:
Match the following treatments for kidney failure with their functions:
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A low volume of concentrated urine is produced due to the action of __________ in the collecting duct.
A low volume of concentrated urine is produced due to the action of __________ in the collecting duct.
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What is the effect of a hypertonic region in the medulla on the collecting duct?
What is the effect of a hypertonic region in the medulla on the collecting duct?
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