General

Question 0

Scientist who described “worms” in the blood

Answer 0

Athanasius Kircher

Question 1

Type of microscocpy that enables a better identification of platelets

Answer 1

Phase microscopy

Question 2

Scientist who described platelets as “petites plaques”

Answer 2

Giulio Bizzozero

Question 3

Invented the Wright stain

Answer 3

James Homer Wright

Question 4

Patented the first electronic RBC counter

Answer 4

Joseph and Wallace Coulter

Question 5

Normal hematocrit value

Answer 5

50%

Question 6

Cells contained in the buffy coat layer

Answer 6

WBCs and platelets

Question 7

3 parameters needed for the RBC indices

Answer 7

• RBC count
• hemoglobin
• hematocrit

Question 8

Type of stains used to differentiate abnormal myeloid, erythroid and lymphoid cells

Answer 8

Cytochemical stains

Question 9

Methods used to identify cell lines, particularly lymphocyte precursors with certainty

Answer 9

Immunostaining methods

Question 10

A type of specimen collected and stained to analyze nucleated cells that are precursors to RBCs

Answer 10

Bone marrow aspirates and biopsy specimens

Question 11

Stain used to enhance biopsy specimen

Answer 11

Hematoxylin & eosin stain