Chapter 7: Pretransfusion and Compatibility Testing

Which of the following is included as a pretransfusion requirement?

• Informed Consent

• Formally Requesting Products

• Historical Review

• All of the Above

Which blood type is considered the universal plasma donor?

• O

• A

• B

• AB

When a hospital receives blood from a blood center which test must be performed?

• ABORh Forward

• ABORh Reverse

• Weak D

• Sickle Screen

If some or all required testing has not been completed, the crossmatch is considered____.

• Compatible

• Uncrossmatched

• Least incompatible

• Type Specific

How long are specimens kept post transfusion?

• 2 days

• 3 days

• 7 days

• 10 days

What type of crossmatch should be performed if a patient has a history of an antibody but a current antibody screen that is negative?

• Immediate Spin

• 37

• AHG

• Electronic

What is the standard length of time that unused blood can be returned to the blood bank?

• 30 minutes

• 1 hour

• 2 hours

• 4 hours

What information must be included on specimens collected for blood bank testing?

• 2 patient identifiers

• Collector's Initials

• Date and time of collection

• All of the above

Rh positive blood should never be given to a Rh-negative patient

• True

• False

Which type of crossmatch will detect if a unit is incompatible due to IgG antibodies

• Immediate Spin

• AHG

• Electronic