CRNI: Fluids & Electrolytes Study SET Combined Questions & Answers 2023/2024

CRNI: Fluids & Electrolytes Study SET Combined Questions
& Answers 2023/2024
2 Fluid Compartments correct answers Intracellular space
Extracellular space

Extracellular correct answers Intravascular
Interstitial
Transcellular

Intravascular correct answers Blood 6L Total;
3L Plasma;
3L Erythrocytes, Leukocytes,
Thrombocytes.

Interstitial correct answers Fluid surrounding the cell. Approx 11-12L

Transcellular correct answers Approx 1L, cerebrospinal, pericardial, synovial, pleural, sweat, digestive
juices...

Obesity correct answers Leas fluids than thin persons d/t low water in adipose, higher water in muscle.

Third Spacing correct answers Loss of extracellular fluid into space that doesn't contribute to equilibrium
b/t the ICF & ECF.

S/S Third Spacing correct answers decreased urine output despite adequate intake; increased HR;
decreased BP;
edema;
Increased body weight;
imbalances I&O.

Reasons for third spacing correct answers Hypocalcemia; decreased iron intake;
Severe liver disease;
Alcoholism;
Hypothyroidism;
Malabsorption;
Immobility;
Burns; Cancer.

Cations correct answers Sodium Na+
Potassium K+
Calcium Ca++
Magnesium Mg++
Hydrogen H+

Anions correct answers Chloride Cl-