Use of IV fluids

Question 1

majority of body weight is?

Answer 1

water 60%

Question 2

TBW?

Answer 2

42L

Question 3

EXTRCELLULAR water/fluid =

intracellular water/fluid = ?

Answer 3

40%

20%

Question 4

when giving IV fluid what are you targeting

Answer 4

extracelular fluids - PLASMA

Question 5

interstitial fluid is

Answer 5

fluid in space between cells

Question 6

Transcellular fluid is?

examples where it is found (2)

Answer 6

fills the cavities in the body lined by epithelium

aqueous humour in eye
CSF

Question 7

water likes to diffuse from

Answer 7

dilute to concentrated when separated by SPM

Question 8

what prevents osmosis from occurring

Answer 8

osmotic pressure

Question 9

what is a solute

Answer 9

substance dissolved into another liquid

Question 10

what is a solvent?

Answer 10

substance that can dissolve a solute

Question 11

an osmole reflects?

Answer 11

conc of osmotically active particles in solution

Question 12

daily requirements of water

Answer 12

30ml/kg

Question 13

daily requirements of sodium

Answer 13

1-2 mol/kg

Question 14

daily requirements of potassium

Answer 14

0.7-1 mmol/kg

Question 15

daily requirement of glucose

Answer 15

50-100mg a day

Question 16

what determines water distribution?

Answer 16

Only particles restricted to one of the compartment

Question 17

ECF gives

Answer 17

sodium (and accompanying anions)

Question 18

ICF gives

Answer 18

potassium and macromolecules

Question 19

what is hypotonicity

Answer 19

cell swelling

Question 20

what is Hypertonicity

Answer 20

cellular dehydration

Question 21

Symptoms of tonicity changes are ?

Answer 21

largely neurological

Question 22

swelling of cells causes?

Answer 22

raised icp, compromised cbf and herniation

Question 23

Shrinkage of cells causes?

Answer 23

ich venous sinuous thrombosis

Question 24

resuscitation someone - need fluid in?

Answer 24

intravascular space

Question 25

what stays mainly in the intravascular space?

Answer 25

crystallite or colloid

Question 26

how do we measure body fluids? - what do you use most often to assess ?

Answer 26

clinical measurement

Question 27

why should you never give over 100ml/hr regardless of weight ?

Answer 27

risk of hyponatraemia

Question 28

maintenance fluids - what you going to give?

Answer 28

0.18% NaCl/4% glucose/0.3% KCl

Question 29

what must you remember for resuscitation/replacement (2)

Answer 29

Urine output is a poor guide to fluid requirements | Oliguria does not always require fluid therapy

Question 30

replacement fluid go to?

Answer 30

PlasmaLyte 148 | Upper GI losses: use 0.9% NaCl with KCl