Ch 19: Online 1 Flashcards
Fluid-Electrolyte and Acid-Base Balance
Where are osmorecptors located?
Hypothalamus
Most water that is lost from the body is in the form of what?
Urine
What is the average fluid intake (all sources) per 24 hours?
2.5 Liters
What regulates the blood levels of both sodium and potassium?
Aldosterone
What cellular transport process is most affected by the presence of electrolytes?
Osmosis
What electrolytes are most responsible for creating osmotic pressure?
Sodium, potassium, and chloride ions
To compensate for metabolic acidosis, respirations will do what?
Increase to exhale more carbon dioxide
To neutralize a strong acid, the bicarbonate buffer system will do what?
Form a weak acid and a salt
To compensate for a metabolic acidosis, the kidneys will do what?
- Retain more bicarbonate ions
- Retain more sodium ions
- Excrete more hydrogen ions
When does respiratory alkalosis occur?
When a person hyperventilates
To compensate for metabolic alkalosis, the kidneys will do what?
Retain more hydrogen ions
In alkalosis of a body fluid, an amino acid can donate a hydrogen ion from what?
Its carboxyl group
