Question

Why would a doctor inject a dilute salt solution rather than pure water into the bloodstream of a patient who has suffered severe blood loss? select one:

a. because salt will assist in co-transport of needed nutrients into the patient's cells.
b. because pure water might cause the patient's red blood cells to shrink.
c. because pure water might cause the patient's red blood cells to burst.
d. because salt will help prevent bacterial infections?

Answer 1

C. Because pure water might cause the patients blood cells to burst- because water will move in to the cells down the concentration gradient by osmosis