Electrolyte Balancing

Question 1

What accounts for two thirds of the total body water?

Answer 1

Intracellular Fluid (ICF)

Question 2

What accounts for one third of the total body water and what can it be divided into?

Answer 2

Extracellular Fluid (ECF)
Intravascular ECF (Plasma)
Interstitial Fluid

Question 3

What is not freely permeable to most biological membranes?

Answer 3

Ions and Proteins

Question 4

What is an Osmoregulator?

Answer 4

The concentration of Ions and proteins on either side of the membrane influencing the flow of water

Question 5

What is Osmolality?

Answer 5

Measurement of Solute to Water ratio

Question 6

What sample can we use to measure Osmolality?

Answer 6

Serum or Urine

Question 7

What are the two most common methods for the analysis of Osmolality?

Answer 7

Freezing point Depression
Vapor Pressure Decrease

Question 8

What is essential for blood pressure maintenance and good perfusion of tissue?

Answer 8

Adequate Blood Volume

Question 9

What does Angiotensin II and Aldosterone control?

Answer 9

Exchange of Na+ and K+ between Renal Filtrate and Renal Collecting Tube

Question 10

What does Aldosterone induce the Distal Tubule to do?

Answer 10

Reabsorb Na+ and Cl- in exchange for K+ to maintain electrolyte homeostasis