Isotonic Fluid Volume Deficit (CAUSES)

Question 1

causes with inadequate INTAKE?

Answer 1

• fluids unavailable or withheld
• thirst mechanism impaired

Question 2

causes with excessive OUTPUT?

Answer 2

• lost through the skin
• lost to third spacing
• lost to the GI tract
• lost through the kidneys

Question 3

how is fluid lost through the skin?

Answer 3

fever, due to exposure to heat, or due to wounds an burns

Question 4

plasma electrolyte concentrations remain unchanged, but the ____________ has decreased

Answer 4

circulating fluid volume

Question 5

how is fluid lost in the circulation?

Answer 5

when it becomes trapped in a third space such as the peritoneum or the intestine

Question 6

where is fluid readily lost through?

Answer 6

GI tract

Question 7

in a day, how many litres of fluid are secreted into the GI tract?

Answer 7

20

Question 8

where is most fluid reabsorbed in the GI tract?

Answer 8

ileum - but vomiting an diarrhea can result in large losses an increased secretion of fluid into the GI tract

Question 9

how is fluid lost through the kidneys?

Answer 9

to diseases or to drug therapy such as diuretics that result in impaired sodium an water reabsorption