Electrolyte Worksheet
 

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A 45 year old male with Na 154, K 5.2, Cl 124, CO2 32, BUN 35, creatinine 2.4, glucose 87

  1. What is the plasma osmolality?
  1. What is the cause for this abnormality?

A 45 year old male with Na 120, K 3.7, Cl 118, CO2 32, BUN 15, creatinine 1.4, glucose 87

  1. What is the plasma osmolality?

   4.  What is the cause for this abnormality?

A 45 year old male with Na 144, K 4.2, Cl 118, CO2 27, BUN 85, creatinine 2.4, glucose 87

5. What is the plasma osmolality?

6.  What is the cause for this abnormality?

 
45 year old male with Na 154, K 3.2, Cl 128, CO2 27, BUN 15, creatinine 1.4, glucose 387
  1. What is the plasma osmolality?

 
  1. What is the cause for this abnormality?

 
A 78 year old female, history of COPD, skin tents for 3 seconds, radial pulses 1+, pedal & postibial pulses per dopler, mucous membranes dry. Na 156, serum osmolality 314.
The sodium-water alteration is
a. excess fluid and excess sodium
b. excess fluid and normal sodium
c. excess fluid and decreased sodium
d. normal fluid and excess sodium
e. normal fluid and normal sodium
f. normal fluid and decreased sodium
g. decreased fluid and excess sodium
h. decreased fluid and normal sodium
i. decreased fluid and decreased sodium

 
A 78 year old female, history of COPD, skin tents for 3 seconds, radial pulses 1+, pedal & postibial pulses per dopler, mucous membranes dry. Na 144, serum osmolality 308.
  1. The sodium-water alteration is
    a. excess fluid and excess sodium
    b. excess fluid and normal sodium
    c. excess fluid and decreased sodium
    d. normal fluid and excess sodium
    e. normal fluid and normal sodium
    f. normal fluid and decreased sodium
    g. decreased fluid and excess sodium
    h. decreased fluid and normal sodium
    i. decreased fluid and decreased sodium

 
A 78 year old female, history of CHF, receiving digoxin and lasix. 3+ pitting edema to mid-tibia, crackles in lungs, radial pulses 1+, pedal & postibial pulses per dopler, mucous membranes dry. Na 134, serum osmolality 269, Hgb 8.2, Hct 24.
  1. The sodium-water alteration is
    a.  excess fluid and excess sodium
    b. excess fluid and normal sodium
    c. excess fluid and decreased sodium
    d. normal fluid and excess sodium
    e. normal fluid and normal sodium
    f. normal fluid and decreased sodium
    g. decreased fluid and excess sodium
    h. decreased fluid and normal sodium
    i. decreased fluid and decreased sodium
A 78 year old female, history of CHF, receiving digoxin and lasix. Skin tents on forehead and sternum. Lungs clear. Na 149, K 3.4, Mg 1.1, serum osmolality 312.
  1. The sodium-water alteration is
    a. excess fluid and excess sodium
    b. excess fluid and normal sodium
    c. excess fluid and decreased sodium
    d. normal fluid and excess sodium
    e. normal fluid and normal sodium
    f. normal fluid and decreased sodium
    g. decreased fluid and excess sodium
    h. decreased fluid and normal sodium
    i. decreased fluid and decreased sodium

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