Forty-five percent of all blood donated in the United States is type O. Type O blood is essential for emergencies where there is no time for determining the blood type of victims because type O blood can be used for everyone. Type O blood is unique in that it is compatible with blood of all types: any recipient, regardless of blood type, can be given it. But precisely because of this special usefulness, type O blood is chronically in short supply.
If the statement in the passage above are true, which of the following must also be true?
a) The special usefulness of type O blood lies in the fact that it matches the blood type of most people.
b) Supplies of type O blood are continuously so low that type O blood is nuavailable for emergencies, where its usefulness would be greates.
c) Forty-five percent of the total population of the United State has type O blood, which makes type O the most common blood type.
d) Any decision to give blood of any type other than O needs to be based on knowledge of the recipient's blood type.
e) Type O blood is the only blood that cannot be typed as fast as needed in emergencies
If the statement in the passage above are true, which of the following must also be true?
a) The special usefulness of type O blood lies in the fact that it matches the blood type of most people.
b) Supplies of type O blood are continuously so low that type O blood is nuavailable for emergencies, where its usefulness would be greates.
c) Forty-five percent of the total population of the United State has type O blood, which makes type O the most common blood type.
d) Any decision to give blood of any type other than O needs to be based on knowledge of the recipient's blood type.
e) Type O blood is the only blood that cannot be typed as fast as needed in emergencies
