Question | Answer |
Water moves toward higher region? | Osmotic pressure |
Renin-angiotensin-aldosterone | Maintains normal blood volume at expense of IF Volume. |
Intake must = ... | Output |
How does water leave the body? | Breath, Urine, Feces, Skin |
How does water enter the body? | Intake (Swallow)and Cell Metabolism. |
Chemical Structure of Plasma, IF and ICF helps ______ and _______ create homeostasis. | Water and Electrolytes. |
Primary Mechanics (6) | Vomiting, diarrhea, Low BP, Sweating, Hyper Ventilation, Renin released. |
Hydrostatic Pressure | Forces fluid out of IF into the capillaries (Starling Law) |
Blood Colloid Osmotic Pressure | Draws blood from IF to capillaries. (starling Law) |
Blood Hydrostatic Pressure | Forces fluid out of capillaries into IF. |
Starlings Law of Capillaries | The physical laws of filtration and osmosis control mechanisms for water exchange between plasma. |
Retention of electolytes (Na^+) in the ECF as a result of _______ secretion. | Aldosterone |
Fluid Imbalance | Edema (Swelling) |
Blood contains slightly ____ total Ions than IF | Higher |
Plasma and IF are __________ in chemical makeup. | Nearly identical |
Hypokalemia | Low K levels. |
Hyponatremia | Low Na levels. |
ICF | Facilitates intracellular chemical reactions that maintain life. |
_____ is water inside the cells. | ICF |
ICF %...
ECF %... | 66%
34% |
_____ provides a constant environment for cells and transports to and from cells. | ECF |
ECF consists of...
1)_____
2)_____
3)_____ | 1) Plasma
2)IF
3) Lymph, spinal, and joint fluid. |
_____ makes up the internal environment of the body. | ECF |
Fluid content varies by...
1)
2)
3)
4)
5) | 1) Age (Older = Low muscle mass)
2)Weight
3) Fat
4) Gender
5) Kidney function |
% of water by total weight in a human body? | 45%-75% |
______ controls the movement of water between the body fluid compartments. | Electrolytes |
Important Cations (+) | Na
Mg
Ca
K |
Important Anions (-) | Cl
HCO3
HPO4
Protein |
K^+ is a major cation in _____ to maintain Os. pressure. | ICF |
______ is a major cation in ECF to maintain Os. pressure. | Na^+ |
Ratio of H20 & electrolytes causes _____ if balance is off. | Ademia |
Osmosis | High ----> Low pressure gradient. |
Cation | Positive Charge |
Anion | Negative Charge |
______ is a nonelecrolyte | glucose |
Suspends solute in fluid. Causes (Allows) Os. pressure. | Colloidal |
_______ acts as a solute. | Ions |
_______ have a chemical bond that allow dissociation into ions, which have a charge. | Electrolytes. |