electrolyte 2

Question 1

Calculated osmolality =

Answer 1

2(Na+) + (glu/18) + (BUN/2.8)

Question 2

normal osmolar gap

Answer 2

5-10 mOsm/kg

Question 3

anion gap formula without K+

Answer 3

Na − (Cl + HCO₃)

Question 4

normal anion gap (without K+)

Answer 4

7–16 mmol/L

Question 5

Sweat chloride neg interpretation

Answer 5

< 30 mmol/L

Question 6

Sweat chloride pos interpretation

Answer 6

≥ 60 mmol/L

Question 7

what kind of mmb selects for K+

Answer 7

Valinomycin

Question 8

what do these condition associate with :Cushing’s, Addison’s, Crush injuries

Answer 8

Hyperkalemia

Question 9

Urine (24h) potassium normal range

Answer 9

25 - 125 mmol/L

Question 10

Urine (24h) normal range for cl

Answer 10

Urine (24h) = 110-250 mmol/L

Question 11

CO2 (total carbon dioxide) equation

Answer 11

CO2 + HCO3- + H2CO3 = total CO2

Question 12

Urine (24h) normal range Mg

Answer 12

Urine (24h) = 1 - 24 mmol/L

Question 13

common use of Direct ISE

Answer 13

blood gas analyzers

Question 14

common use of indirect ISE

Answer 14

Routine chemistry analyzers

Question 15

AG formula with K+

Answer 15

AG = [(Na+) + (K+)] - [(Cl-) + (HCO3-)]

Question 16

how is sweat stimulated in the sweat chloride test

Answer 16

pilocarpine iontophoresis

Question 17

true or false: Water evaporation is decreased when a solute is present in water

Answer 17

true

Question 18

Increase osmolality = ___ VP

Answer 18

dec

Question 19

Increase osmolality = ___ FP

Answer 19

dec

Question 20

Increase osmolality = ___ BP

Answer 20

inc

Question 21

Increase osmolality = ___ osmotic pressure

Answer 21

inc

Question 22

normal serum osmolality

Answer 22

275–295 mOsm/kg