BB chaps 8-10

LIS interfaces link the automated test system with a lab info system for reporting results

Which of the following statements is true regarding interpretation of SPRCA results?

What test detects serologic incompatibility between donor RBCs and recipient serum?

DTT is useful in evaluating a sample when which antibody is suspected?

Select the method that uses sieving to separate bigger agglutinates from smaller in Ag-Ab reactions

What is the period when no antigen typing should be performed on a patient's red cells after transfusion?

A recipient's antibody screen is negative; but the recipient is incompatible with the selected donor. Why would this be

vendors of automation for transfusion service require prior approval from the FDA

Automation should make it easier to do things the right way and more difficult to do the wrong things

When selecting an automation partner, a lab doesn't need to determine its requirements in terms of customer support...

What is the name of the procedure that removes antibody from serum or plasma using the individual's own red cells?

What is the definition of an antibody demonstrating dosage?

Which of the following antibodies may not be detected in the antibody screen?

A crossmatch demonstrating a 2+ agglutination is interpreted as compatible

Which of the following products is crossmatched with the recipient if the unit contains greater than 2 mL of RBCs

Computer crossmatch requires 2 ABO and D negative donor unit is usually incompatible

mixed field reactions observed in the ID-MTS gel test for ABO & D phenotype when automated. What happened?

A type and screen protocol provides a mechanism to increase the number of uncrossmatched donor units in inventory

An antiglobulin crossmatch result with a donor RBC unit is 2+ agglutination reaction. Why did this happen

What tests are included in compatibility testing?

Rapid turnaround times for selected samples & the ability to accommodate big batch testing contribute to efficiency

Bar code technology is used in automated instruments to ensure positive sample ID

The only component that requires crossmatching is a unit of RBCs

A donor unit was labeled A-. What is the next step? RBC tested with anti-A 4+, anti-B 0, anti-D 3+

An immediate spin crossmatch of a D+ with a D- donor unit is usually incompatible

if a patient has ben preg in the last 3 months the pretransfusion sample must be >6 days old at time of transfusion

After centrifuging using ID-MTS anti-IgG gel card a layer of agglutinated cells was observed that the top of 2 of 3 well

A crossmatch prevents the immunization of the recipient to blood group antigens

A crossmatch detects most errors in the ID of antigens on patient's red cells

An antibody reacted in the screen at 37^o C and did not react at the AHG phase. Which of the following antibodies fits?

What antibodies are detected in the immediate-spin crossmatch?

O plasma is considered the universal donor of plasma products

What is the purpose of the antibody screen?

What are the indicator cells used in SPRCA assays?

what test uses the capture-R select microwell strips

JD is A+ with a history of anti-K and now screens antibody negative. What crossmatch will be done for compatible units

Neutralization was performed on a sample with anti-Le^b. When both are negative with panel cells what happened?

What is the name of the procedure that removes intact antibodies from the red cell membranes?

What would the DAT results demonstrate if the test was performed on a clotted sample stored at 4^o C?

Which p-value is achieved in antibody ID with the rule of three?

One group B, D+ unit of RBCs is received. What repeat testing is required on this donor unit?

The computer crossmatch is easily implemented in the blood bank and does not require validation.

What ABO and D types are selected for RBC units issued to a patient in emergency release?

A good practice for recipient's sample is to label with full name, a second unique ID, date collected, & phleb ID

What information is required by AABB Standards for a labeled blood sample for the blood bank?

JD is A+ with a history of anti-K and now screens antibody negative. Which donor unit should be used of the following

Panel cell reactions were eliminated for 1 antibody after testing with enzyme treated red cells. What antibody was it?

Why are additional procedures required when working up a warm autoantibody?

Select a characteristic of HTLA antibodies

What tests are performed with the MTS monoclonal A/B/D grouping gel card?

Which statement is a characteristic associated with anti-I?

In the gel test, what is a button of cells at the bottom of the well called?

What method is used in the automated Immucor & BioRad systems for ABO and D phenotyping?

a patient who phenotypes as AB- requires 1 unit of plasma. Which of the following units of plasma would be best

What incompatibilities are detected in the antiglobulin phase of a crossmatch?

vendor assessment, base tech, and instrument assessment are important when selecting an automated system

Where can false negative reactions occur in both the gel and solid phase testing?