Patients Who Are Ill May Have Blood Removed for (Check

Patients who are ill may have blood removed for (check all that apply)
i. transfusion for other patients.
ii. transfusion for themselves.
iii. removal of excess iron.
iv. removal of excess blood.

A) i, ii, and iii
B) i, iii, and iv
C) ii, iii, and iv
D) i, ii, and iv