The Role of ADH (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is osmoregulation?
What is osmoregulation?
Controlling water and salt concentrations
Where is ADH stored in the body?
Where is ADH stored in the body?
The pituitary gland
What is the alternative name for ADH?
What is the alternative name for ADH?
Vasopressin
Which kidney structures does ADH target?
Which kidney structures does ADH target?
Distal tubules and collecting ducts
What is the main function of ADH?
What is the main function of ADH?
Increases water reabsorption in kidneys
What causes blood plasma to become too concentrated?
What causes blood plasma to become too concentrated?
Drinking too little or consuming too much salt
Which receptors detect increased blood concentration?
Which receptors detect increased blood concentration?
Osmoreceptors in the hypothalamus
How does ADH affect the kidney tubule walls?
How does ADH affect the kidney tubule walls?
Makes them more permeable to water
What happens to urine when ADH is released?
What happens to urine when ADH is released?
Volume decreases, concentration increases
What happens when blood plasma is too dilute?
What happens when blood plasma is too dilute?
ADH is not released
What type of urine is produced without ADH?
What type of urine is produced without ADH?
Large volume of dilute urine
What type of mechanism does ADH use to control water balance?
What type of mechanism does ADH use to control water balance?
Negative feedback