Water, Sodium, and Potassium Balance

Flashcards covering key concepts of water, sodium, and potassium balance from the lecture notes.

Sodium balance is achieved when __ gains equal sodium losses.

Na+ balance

ADH secretion __ to increase water reabsorption in the kidneys.

increases

The receptors responsible for sensing changes in sodium levels are __.

osmoreceptors

Hyponatremia refers to __ sodium levels.

low

Hypernatremia refers to __ sodium levels.

high

If ECF becomes hypotonic, fluid flows into ICF and the cells __.

swell and could lyse

To maintain isotonic ECF, we need to keep __.

Na+

Maintaining proper K+ levels involves __ exchange at the distal convoluted tubule.

K+

The normal range for potassium levels is __ mEq/L.

3.5-5.0

In hypokalemia, potassium levels drop below __ mEq/L, leading to muscle weakness.

2

ACIDOSIS is when blood pH falls below __, leading to CNS deterioration.

7.35

Alkalosis occurs when blood pH rises above __, leading to potentially dangerous conditions.

7.45