Which of the following may result from aggressive ventilation of the blast patient?

Which of the following is part of the body's compensatory response to blood loss?

A) Blood vessels dilate and the heart rate decreases. B) Blood vessels constrict and the heart rate decreases. C) Blood vessels constrict and the heart rate increases. D) Blood vessels dilate and the heart rate increases.

Donor red blood cells that are e negative will be ______, unless they are of a rare deletion phenotype

a. c negative b. c positive c. E negative d. E positive