Capillary puncture is used for blood tests for all of the following, EXCEPT ________.

Which is true of the biphasic hemolysin usually associated with paroxysmal cold hemoglobinuria (PCH)?

a. Anti-P that binds to red blood cells at body temperature but activates complement at cool temperatures b. Anti-P that binds to red blood cells at cool temperatures but activates complement at body temperature c. Anti-P1 that binds to red blood cells at body temperature but activates complement at cool temperatures d. Anti-P1 that binds to red blood cells at cool temperatures but activates complement at body temperature

The examination phase of laboratory testing includes: (Choose all that apply)A) following test timing requirements.B) interpreting results accurately.C) running required control samples.D) reporting results to the physician.

What will be an ideal response?