Which of the Following Statements Are True of Fluid Volume

question 143

Multiple Choice

Which of the following statements are true of fluid volume and hormones? (Read carefully and select all of the correct statements.)

• A)Increased secretion of ADH will help prevent the loss of body fluid.
• B)Aldosterone increases the excretion of sodium ions and the retention of potassium ions and water.
• C)ANP increases the retention of sodium ions and has no effect on potassium ions.
• D)Dehydration (any form or cause)will stimulate secretion of ADh.
• E)An increase in BP stimulates secretion of aldosterone by way of the renin-angiotensin mechanism.
• F)The kidneys are target organs of ADH,ANP,and aldosterone.

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Definitions:

Sodium/Potassium Pump

A vital cell membrane protein that pumps sodium out of cells and potassium into cells, maintaining the necessary concentration gradients for nerve impulse transmission and muscle contractions.

Positively Charged Ions

Particles, either atoms or molecules, which have become positively charged by losing one or more electrons.

Depolarization

A decrease in the electrical charge across a cell membrane, usually in neurons or muscle cells, leading to the firing of an action potential.

Neural Impulse

An electrical signal that travels along a neuron, enabling neurons to communicate with each other and with other parts of the body.