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Brain Function and Organization

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Questions and Answers

What happens when blood osmolarity is decreased?

Angiotensin II stimulates the secretion of ADH

Aldosterone hormone is secreted to stimulate water reabsorption

ADH is not secreted, stopping water reabsorption through distal convoluted tubules (correct)

ADH stimulates water reabsorption through distal convoluted tubules

What is the primary function of the liver in maintaining blood glucose levels?

Producing insulin hormone

Converting glycogen back to glucose

Regulating glucagon hormone

Storing excess glucose as glycogen (correct)

What is the effect of aldosterone on the kidney tubules?

It has no effect on sodium ion reabsorption

It inhibits the reabsorption of sodium ions

It stimulates the reabsorption of sodium ions (correct)

It stimulates the reabsorption of potassium ions

What happens to glycogen in the liver when blood glucose levels are reduced?

Glycogen is converted back to glucose under the influence of glucagon Signup and view all the answers

What is the role of the kidneys in osmoregulation?

Regulating blood volume and blood pressure Signup and view all the answers

What stimulates the adrenal cortex to secrete aldosterone hormone?

Low blood volume and low blood sodium ions Signup and view all the answers

What is the effect of aldosterone on blood volume and blood pressure?

It increases blood volume and blood pressure Signup and view all the answers

What is the role of the liver in maintaining homeostasis?

Maintaining blood glucose levels Signup and view all the answers

What is the effect of insulin on glycogen storage in the liver?

It stimulates glycogen storage Signup and view all the answers

What is the role of glucagon hormone in the liver?

Stimulating glycogen breakdown Signup and view all the answers