The Role of ADH (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
13 questions from this quiz
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Practise the questions
13 questions from this quiz
What is osmoregulation?
What is osmoregulation?
Controlling water & salt concentrations
Where is ADH stored in the body?
Where is ADH stored in the body?
Pituitary gland
What does 'anti-diuretic' mean?
What does 'anti-diuretic' mean?
Works against excessive urine production
Which kidney structures does ADH target?
Which kidney structures does ADH target?
Distal tubules & collecting ducts
What does ADH do to kidney tubule walls?
What does ADH do to kidney tubule walls?
Makes them more permeable to water
When does the pituitary gland release ADH?
When does the pituitary gland release ADH?
When blood plasma is too concentrated
Which structure detects changes in blood concentration?
Which structure detects changes in blood concentration?
Osmoreceptors in hypothalamus
What happens when blood plasma is too dilute?
What happens when blood plasma is too dilute?
ADH is not released
What is the relationship between ADH levels and urine volume?
What is the relationship between ADH levels and urine volume?
High ADH = low urine volume
What type of urine is produced when ADH is present?
What type of urine is produced when ADH is present?
Low volume, concentrated urine
How does ADH control osmoregulation?
How does ADH control osmoregulation?
Through negative feedback mechanism
What happens when you consume large amounts of water?
What happens when you consume large amounts of water?
Large volume of dilute urine produced
What does a salty diet or exercise cause?
What does a salty diet or exercise cause?
Dehydration & ADH release