few more practice questions.docx

What is the primary difference between the Westergren and Wintrobe methods for ESR?

a. the Westergren requires dilution of the specimen

What defines leukopenia?

Leukopenia means having less than 5000 white blood cells/mL of blood.

What stains are used when preparing a reticulocyte smear?

both a and b (the stains used are new methylene blue or brilliant cresyl blue & the stain and blood must react together for 15 minutes prior to making the smear)

How long should the stain and blood react before making a reticulocyte smear?

They must react together for 15 minutes prior to making the smear.

Which factor contributes to a blood smear being too thin?

An angle of the spreader that is too low.

Which blood product is stored in a -20°C freezer?

Cryoprecipitate.

When should an Rh positive mother be concerned about Hemolytic Disease of the Fetus and Newborn (HDFN)?

should not be concerned about HDFN

Which leads are read first on an ECG?

Leads I, II, and III.

What does a white blood cell differential count involve?

it determines the proportion of each white blood cell type as a percentage

What is the optimum pH of the phosphate buffer used in Wright's stain?

6.4 - 6.8

In which category would a patient with abdominal pain and diarrhea be hospitalized?

Enteric isolation.

Where are the augmented leads on an ECG attached?

The augmented leads are attached to the arms and legs.