Homeostatic Regulation by the Kidneys (Grade 11 NSC Matric Life Sciences): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is homeostasis?
What is homeostasis?
The body's ability to maintain stability
What body temperature does homeostasis maintain?
What body temperature does homeostasis maintain?
Around 37°C
Which three mechanisms do kidneys control for homeostasis?
Which three mechanisms do kidneys control for homeostasis?
pH, water level & salt level regulation
Where is ADH produced and released from?
Where is ADH produced and released from?
Hypothalamus produces; pituitary releases
What happens when ADH levels are high?
What happens when ADH levels are high?
More water reabsorbed; concentrated urine
What type of urine is produced when ADH levels are low?
What type of urine is produced when ADH levels are low?
Dilute urine
How do alcoholic drinks and caffeine affect water balance?
How do alcoholic drinks and caffeine affect water balance?
Act as diuretics; increase water loss
Which glands produce aldosterone?
Which glands produce aldosterone?
Adrenal glands
What happens when aldosterone levels increase?
What happens when aldosterone levels increase?
Sodium reabsorption increases
What type of mechanism controls both water and salt regulation?
What type of mechanism controls both water and salt regulation?
Negative feedback loop