Acid/Base Flashcards
What are the body’s Cations?
Sodium, potassium, calcium and magnesium
What are the body’s Anions?
Chloride and bicarbonate
Osmolality (of the blood) means what?
concentration
Isotonic is
the concentration of normal blood
Hypertonic is
more concentrated than normal blood
Hypotonic is
more dilute than normal blood
Aldosterone does what?
Promotes re-absorption of sodium and excretion of potassium in the kidneys
Insensible fluid loss occurs where?
breathing, open wounds, burns or breaks in the skin
Average fluid intake for an adult is
2300 mL
Hypernatremia is
water deficit; hypertonic condition
hypernatremia combined with extra cellular volume (ECV) is
clinical dehydration
hyponatremia is
water excess or water intoxication; hypotonic condition making cells swell
What is hypokalemia?
low potassium
What causes hypokalemia?
diarrhea, vomiting or taking diuretics
What is the classic symptom of hypokalemia?
muscle weakness
What is hyperkalemia?
high potassium
Who is at risk for hyperkalemia?
Those with oliguria (low urine output)
What is hypocalcemia?
low calcium
Who gets hypocalcemia?
People with acute pancreatitis
What is the sign of hypocalcemia?
increased neuromuscular excitability
What is hypercalcemia?
high calcium levels
What causes hypercalcemia?
Increased calcium intake, shift of calcium from bones to ECF and reduced calcium output.
What is the sign of hypercalcemia?
decreased neuromuscular excitability (exhibited as lethargy)
What is hypomagnesemia?
Low magnesium