The Complete Blood Count

Question 1

_____ used to be measured directly (form spun-down samples), but is now calculated from measured RBC counts.

Answer 1

Hematocrit

Question 2

What does MCV stand for?

Answer 2

Mean Corpuscular Volume

Question 3

MCV refers to _____.

Answer 3

the average volume of a red blood cell

Question 4

MCH is ______.

Answer 4

Mean Corpuscular Hemoglobin (given by Hgb / RBC)

Question 5

Hgb / Hct is called _____.

Answer 5

Mean Corpuscular Hemoglobin Concentration (MCHC)

Question 6

Reticulocytes are ________.

Answer 6

immature, anucleate RBCs (indicated by residual RNA and ribosomes)

Question 7

What are the three types of nucleated blood cells?

Answer 7

Lymphocytes (B cells, T cells, NK cells) Granulocytes (neutrophils, eosinophils, basophils) Monocytes (macrophages)

Question 8

What are the two types of anucleate blood cells?

Answer 8

Erythrocytes (RBCs) Platelets

Question 9

Too many neutrophils is called _______.

Answer 9

neutrophilia

Question 10

Excessive lymphocytes is called _______.

Answer 10

lymphocytosis

Question 11

The largest cells in peripheral blood smears are typically ______.

Answer 11

monocytes

Question 12

_______ usually have bi-lobed nuclei.

Answer 12

Eosinophils

Question 13

The least abundant white blood cell in peripheral samples is _____.

Answer 13

basophils

Question 14

The nuclei of _____ are typically obscured by coarse granules.

Answer 14

basophils

Question 15

The absolute count of a cell type is given by ______.

Answer 15

diff% x WBC

Question 16

What kind of cell is this?

Answer 16

Basophil