Electrolytes

Question 1

Positive Cations (+)

Answer 1

Sodium (Na+)
Magnesium (Mg+)
Calcium (Ca+)
Potassium (Ka+)

Question 2

Negative Anions (-)

Answer 2

Bicarbonate (HCO3)
Chloride (Cl)
Phosphate (PO4)

Question 3

Major Cation in the ECF

Answer 3

Sodium is the main cation of ECF followed by chloride

Question 4

Major Cation in the ICF

Answer 4

Potassium is the major ICF cation, with 98% of the body potassium being in cells followed by phosphate

Question 5

Sodium (Na+)

Answer 5

135-145 mEq/L

Question 6

Potassium (Ka+)

Answer 6

3.5-5.0 mEq/L

Question 7

Magnesium (Mg+)

Answer 7

1.3-2.1 mEq/L

Question 8

Calcium (Ca+)

Answer 8

9.0-10.5 mg/dL

Question 9

Phosphate (PO-)

Answer 9

3.0-4.5 mg/dL

Question 10

• Chloride (Cl-)

Answer 10

95-105 mEq/L

Question 11

BUN (Blood Urea Nitrogen)

Answer 11

10-20 mg/dL

Question 12

Serum Plasma Osmolality

Answer 12

275-290 mOsm/kg

Question 13

Urine Specific Gravity

Answer 13

1.005-1.030

Question 14

Hematocrit (Hct)

Answer 14

Female: 36%-47%
Male: 40%-52%