Fluid and Electrolyte Balance Flashcard

Front

What percentage of body mass is fluid in lean adults?

Back

55-60%.

Front

Which fluid compartment makes up about two-thirds of total body water?

Back

Intracellular Fluid (ICF)

Front

What triggers the thirst response in the body?

Back

Dry mouth and decreased blood pressure

Front

Which hormone increases kidney water reabsorption by making nephron collecting ducts more permeable?

Back

Antidiuretic Hormone (ADH)

Front

What is the most abundant intracellular cation essential for resting membrane potential?

Back

Potassium (K⁺)

Front

What is the normal blood pH level critical for cellular function and protein structure?

Back

7.4

Front

Which mechanism temporarily binds to H⁺ to increase pH? Options: Exhalation of CO₂, Kidney Excretion of H⁺, Buffer Systems, Respiratory Rate

Back

Buffer Systems

Front

What is a characteristic of respiratory acidosis?

Back

High CO₂ from hypoventilation

Front

Which condition is associated with low pH and excess H⁺? Options: Alkalosis, Acidosis, Neutral pH, Basic pH

Back

Acidosis

Front

How do kidneys respond in respiratory alkalosis?

Back

Decrease H⁺ excretion