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Endocrine System and Fluid Balance Quiz

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Questions and Answers

Which hormone stimulates the kidneys to retain water and sodium, and excrete potassium?

ADH

Insulin

Aldosterone (correct)

Glucagon

What is the function of ADH?

Elevates blood glucose levels

Stimulates the kidneys to retain water and sodium, and excrete potassium

Lowers blood glucose levels

Promotes reabsorption of water in the collecting duct (correct)

What does osmolality measure?

The number of particles per kilogram of solvent (correct)

The pressure exerted to prevent the movement of free solvent molecules across a semi-permeable membrane into a region of high solute concentration

The force exerted by a fluid against a wall causes movement of fluid between compartments

The diffusion of water across a selectively permeable membrane

What is the definition of osmosis?

<p>The diffusion of water across a selectively permeable membrane</p> Signup and view all the answers

What does colloid osmotic pressure prevent?

<p>The movement of free solvent molecules across a semi-permeable membrane into a region of high solute concentration</p> Signup and view all the answers

Study Notes

Hormone Regulation

Aldosterone stimulates the kidneys to retain water and sodium, and excrete potassium.
ADH (Antidiuretic Hormone) regulates water reabsorption in the kidneys.

Osmolality and Osmosis

Osmolality measures the concentration of solutes in a solution.
Osmosis is the movement of water molecules from an area of high concentration to an area of low concentration through a semipermeable membrane.

Colloid Osmotic Pressure

Colloid osmotic pressure prevents the loss of water from blood vessels into tissues.

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Description

Test your knowledge of the endocrine system and fluid balance with this quiz! Learn about the functions of aldosterone and ADH, as well as the definitions of osmolality, osmosis, and hydrostatic pressure. Challenge yourself and expand your understanding of these important concepts.