Immunohematology test 4

Deglycerolyzed frozen red blood cells must be transfused within this many hours?

24

If the donor has used IV drugs they are

Permanently deferred

Once random donor platelets are pooled the product has a shelf life of this many hours

4

The most sensitive test for HIV

Nuclei acid

Heptavax, demonstrates protection by using this hepatitis antibody marker

B surface

Used for diluting control material

Volumetric pipette

This parasite causes Chagas’ disease

Trypanosoma cruzi

Irradiation of a unit of a red blood cells is done to prevent the replication of donor

Lymphocyte

The color of light is a characteristic dependent on its

Wavelength

Used to confirm positive HIV antibody test results

Western blot

Name given to infectious virus of hepatitis B HBV is

Dane particle

A weak acid plus the salt of the acid is called a

Buffer

the minimum hemoglobin level for potential allogeneic donor

13

interval between blood donations

8 weeks

An autologous blood donor must haves at least

11 g/dl hemoglobin

The college of American pathologist requires that volumetric pipers and flasks be certified class

A

Persons who have had injections of human growth hormone are identifies deferred as blood donors this is because of possible transmission of

creutzfeld-Jakob disease

is a commonly used screening method for the detection of HIV antibody

Enzyme linked immunosorbent assays(ELISA)

Red blood cells should be stored at 1-6C, shipping

1-10

Which disease has the highest potential for transmission through a transfusion

hepatitis

What characteristic is associated with HTLV-I/II

An on coronavirus, found in patients with tropical spatic paraparesis, associated with adult T-cell leukemia

What marker shows a previous exposure to hepatitis B that remains in convalescence

Anti-HBc

Which of the following is the confirmatory test for a positive anti-HIV screen?

HIV RNA

A repeat donor test positive with HBV NAT this individual donated whole blood 2 months previously. At the prior donation, te HBV NAT was negative. What process should be implemented at once?

Look-back

A donors anti-HLTV I/II test is reactive upon first testing. The sample is repeated and duplicate both repeat tests are nonreactive. What is the final interpretation of the donors anti-HLTV I/II test?

Negative

Select the test not preformed routinely on a donor unit

DAT

is defined as a person who can transmit hepatitis b virus but may not be outwardly affected by it

A hepatitis B virus carrier

Persons who have had injections of human growth hormone are identifies deferred as blood donors this is because of

possible transmission of creutzfeld-Jakob disease

Syphilis tests on donors are usually performed by

RPR

Western blot is a confirmatory test for a positive

anti-HIV screen

Leukocyte poor red blood cells are indicated for patient with

febrile transfusion reactions

is used in acute blood loss of 10% or more of blood volume

Replacement with colloid solutions

What fluid is administered with the transfusion of blood components?

0.9% saline

What is the correct order of centrifugation in the preparation of platelets from a unit of whole blood?

Light spin followed by hard spin

Although ABO compatibility is preferred ABO incompatibility is acceptable for which of the following components ?

CRYO