Fluids & Electrolytes

Question 1

Normal sodium level

Answer 1

135-145 mEq/L

Question 2

Normal potassium level

Answer 2

3.5-5.5 mEq/L

Question 3

Normal chloride level

Answer 3

96-106 mEq/L

Question 4

Normal Ca level

Answer 4

Total - 9-11mg/dl

Ionized - 4.5-5.5 mg/dl

Question 5

Electrolyte imbalance that results in widening of QRS & peaking of T waves

Answer 5

Hyperkalemia

Question 6

Electrolyte that is directly associated with Na+ and inversely with HCO3-

Answer 6

Chloride

Question 7

Electrolyte imbalance that is caused by elevated phosphorus and hypoparathyroidism

Answer 7

Hypocalcemia

Question 8

First treatment in hypocalcemia

Answer 8

Correction of high phosphorus & low magnesium levels first before calcium replacment

Question 9

Normal magnesium level

Answer 9

1.5-2.5 mEq/L

Question 10

Electrolyte imbalance that results in neuromuscular excitability hyperactive reflexes like tetany and laryngospasm

Answer 10

Hypocalcemia

Question 11

Normal phosphorus level

Answer 11

2.8-4.5 mg/dl

Question 12

Electrolyte that has a function in buffering H+, oxygen transport, WBC and platelet fcn

Answer 12

Phosphorus

Question 13

Normal arterial blood gas ranges (pH, pO2, pCO2, HCO3-)

Answer 13

pH - 7.35 - 7.45
pO2 - 80-100%
pCO2 - 35-45 mmHg
HCO3- 22-26 mEq/L

Question 14

Acid-base imbalance that is caused by hyperventilation, CNS d/o, sepsis, and mechanical over ventilation

Answer 14

Respiratory alkalosis