Question

Intravenous infusion of

A. Two litres of normal saline restores blood volume in a patient who suddenly lost two litres of blood.

B. Bicarbonate is appropriate for patients being treated for cardiac and respiratory arrest.

C. Potassium-free fluids are appropriate for a patient with severe vomiting.

D. Isotonic glucose will expand both intracellular and extracellular fluid compartments.

E. Hypertonic saline will raise intracellular osmolality

Answer 1

A. False Some of the saline escapes from the circulation to the interstitial fluid.

B. True It corrects the acidosis caused by accumulation of lactic acid and CO2 in the tissues.

C. False Alimentary secretions are rich in potassium.

D. True Glucose is metabolized, leaving the water to be distributed in both compartments.

E. True Hypertonic extracellular fluid will draw water osmotically from the cells.