03.26-03.28 Fluid and Electrolyte

Question 1

Normal sodium serum levels

Answer 1

135-145 mEq/L

Question 2

Normal chloride serum levels

Answer 2

98-110 mEq/L

Question 3

Normal BUN level

Answer 3

8-25 mg/dL

Question 4

Normal potassium serum levels

Answer 4

3.5-5.0 mEq/L

Question 5

Normal bicarbonate serum levels

Answer 5

22-29 mEq/L

Question 6

Normal Scr levels

Answer 6

0.7-1.4 mg/dL

Question 7

Normal BUN : SCr ratio

Answer 7

10 : 1

Question 8

Total body water (TBW) = ____% of total body weight

Answer 8

50-60%

Question 9

Two-thirds (55-65%) TBW = found in _____

Answer 9

intracellular compartment

Question 10

One-third (30-40%) TBW = present in _____

Answer 10

extracellular compartment

Question 11

____% of ECF = present as interstitial fluid (ISF)

Answer 11

75%

Question 12

Most abundant extracellular electrolytes

Answer 12

Na, Cl, HCO3

Question 13

Most abundant intracellular electrolyte

Answer 13

K

Question 14

Normal Mg2+ levels:

Answer 14

1.8 - 3.0 mg/dL

Question 15

Normal phosphate levels:

Answer 15

2.5-4.5 mg/dL

Question 16

Normal Arterial Blood pH

Answer 16

7.35-7.45

Question 17

Acidemia pH:

Answer 17

<7.35

Question 18

Alkalemia pH:

Answer 18

> 7.45

Question 19

Nomal PaCO2 levels:

Answer 19

35-45 mm Hg

Question 20

Anion gap calculation:

Answer 20

Na-Cl-HCO3

Question 21

Daily fluid requirement for ADULTS

Answer 21

30 - 35 mL / kg / d

Question 22

Daily fluid reqt for PEDS (Holliday-Segar)

Answer 22

100 mL/kg/d for first 10 kg
+50 mL/kg/d for next 10 kg
+ 20 mL/kg/d for any additional kgs