deck 3

Question 1

how often should an IV catheter be flushed?

Answer 1

every 4-6 hours

Question 2

what is the maintenance fluid requirement? …ml/kg/24hrs

Answer 2

50

Question 3

what do isotonic fluids have the same tonicity as?

Answer 3

plasma

Question 4

an increase in pcv can indicate what?

Answer 4

dehydration

Question 5

what is the normal fluid losses through urine per day?

Answer 5

20ml/kg/day

Question 6

the body has 3 response mechanisms to hypovolaemia, what are they?

Answer 6

vasoconstriction, aldosterone retains sodium, release of rbc from bone marrow

Question 7

magnesium is vital in what?

Answer 7

vital to normal cardiac and neuromuscular function

Question 8

almost all of potassium in the body is found where?

Answer 8

intracellular fluid

Question 9

any condition that is likely to cause polyuria is likey to decrease what?

Answer 9

potassium levels, as it is poorly conserved by the kidneys

Question 10

vomiting and diarrhoea can lead to a decrease in?

Answer 10

HCO3- bicarbonate, it is found largely in the GI tract

Question 11

if hydrostatis pressure exceeds the oncotic pressure, the fluid what?

Answer 11

moves out of the space

Question 12

if oncotic pressure exceeds the hypostatic pressure, fluid what?

Answer 12

moves into the space

Question 13

what is osmolality?

Answer 13

a measure of concentration of the smaller molecules in the fluid, such as electrolytes, glucose and urea

Question 14

systolic blood pressure is obtained when?

Answer 14

artieries are at their highest blood pressure, at the peak of ventricular contraction

Question 15

diastolic blood pressure is obtained when?

Answer 15

artierial blood pressure is at its lowest during relaxation of the left ventricle