Hematology
Chemistry
Microbiology
Coagulation
Transfusion Medicine
100

Small, discrete basophilic dense inclusions, usually single, representing a nuclear remnant in an RBC. 

What is a Howell-Jolly body?

100

Elevated serum ammonia is nearly always due to failure of this organ.

What is the liver?

100

This organism is the most common cause of bacterial meningitis in adults.

What is Streptococcus pneumoniae?

100

This is the most common coagulation factor to which antibodies arise.

What is factor VIII?

100

This ABO blood type is the most common in African-Americans.

What is O?

200

These are the least numerous of the leukocytes in normal blood and average 0.5%.

What are basophils?

200

This wavelength represents the maximal absorbance of bilirubin.

What is 450 nm?

200

This virus is responsible for nearly all cases of infantile respiratory bronchiolitis.

What is respiratory syncytial virus (RSV)?

200

This is the most common cause of inherited thrmbophilia.

What is Factor V Leiden?

200

These two clotting factors are the most labile in stored blood.

What are factors V and VII?

300

This protein is the most commonly mutated in hereditary elliptocytosis.

What is spectrin?

300

This is the first hepatic metabolite of ethanol.

What is acetaldehyde?

300

Individuals who lack the Duffy antigen on their red blood cells are protected against this species of Plasmodium.

What is P. vivax.

300

This protein crosslinks platelets through GPIIb/IIIa.

What is fibrin?

300

This is the most common cause of hemolytic transfusion reaction.

What is febrile nonhemolytic transfusion reaction?

400

This rare form of adult leukemia is often associated with splenomegaly and an immunophenotype including expression of CD19, CD20, CD11c, CD25, CD103, and CD123.

What is hairy cell leukemia?

400

This is the span of time of glucose control represented by hemoglobin A1c in a patient with normal RBC survival time.

What is 3 months?

400

This animal is the reservoir for West Nile virus.

What are birds?

400

In this illness, the body develops clots in small blood vessels,and there is reduction in ADAMTS13 activity.

What is thrombotic thrombocytopenic purpura (TTP)?

400

This is the most common cause of a positive crossmatch with a negative antibody screen.

What is anti-ABO?

500

This hemoglobinopathy is due to a fusion product of delta-globulin and beta-globulin as well as a characteristic HbS proportion of less than 30%.

What is Hb Lepore?

500

This composition represents the most common type of kidney stone.

What is calcium oxalate?

500

This is the name given to the characteristic measles infected cells in the lung or appendix.

What is Warthin-Finkeldey cell?

500

This is a rare hereditary disorder with decreased pigmentation (albinism) with visual impairment and blood platelet dysfunction with prolonged bleeding.

What is Hermansky-Pudlak Syndrome?

500

This blood group antigen is associated with the McLeod phenotype.

What is Kell?

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