action potential is generated through Correct Answers active
transport of sodium and potassium
aldosterone Correct Answers hormone that stimulates kidney to
retain sodium and water (released by secreted renin)
anions Correct Answers - chloride, bicarbonate, phosphate
- tend to replace them less often
antidiuretic hormone (ADH) Correct Answers promotes
retention of water by kidneys
(dilutional effect on sodium)
balance of sodium maintained by Correct Answers aldosterone,
ADH
calcitonin Correct Answers - keeps calcium in bones
(released by thyroid when Ca+ levels are high; reliant on
vitamin D)
calcium Correct Answers - is essential to muscle contraction
- causes a ratching of the muscle when it enters the actin-myosin
complex and therefore causes muscle contraction
- important in clotting
cations Correct Answers - sodium, potassium, calcium,
magnesium
- tend to be the ones we treat the most often
, chloride Correct Answers - is almost never toyed with
- there to maintain sodium/potassium balance
- important to metabolism and acid/base and carbon dioxide
transport
- never administer this by itself
- varies so directly with sodium
depletional hyponatremia Correct Answers inadequate sodium
intake
dilutional hyponatremia Correct Answers a serum sodium that
is low not because of an absolute lack of sodium but because of
an excess of water
(water intoxication)
(ex: sweat and drink too much water)
diuretics Correct Answers - work by causing the body to
excrete more sodium
high magnesium symptoms Correct Answers - decreased
neuromuscular activity
- hypoactive deep tendon reflexes
- generalized weakness
- occasionally nausea and vomiting
high risk hypomagnesemia clients Correct Answers - chronic
alcoholism
- malabsorption
- GI/urinary system disorders
- sepsis
- burns