CBC

Question 0

Leukopenia

Answer 0

Low WBC count

Question 1

Leukocytosis

Answer 1

High WBC count

Question 2

Polycythemia/Erythrocytosis

Answer 2

High red count

Question 3

Anemia

Answer 3

Low red count

Question 4

What does hemoglobin carry and where to/from?

Answer 4

Carries oxygen to the tissues and carbon dioxide to the lungs

Question 5

What two things determine normal range of hemoglobin?

Answer 5

Age and sex

Question 6

Who has the highest hemoglobin levels? Lowest?

Answer 6

Highest: neonates; lowest: children.

Men > women; older > younger

Question 7

What does hematocrit measure?

Answer 7

Total volume to RBCs relative to the total volume of whole blood in a sample

Question 8

What are hemoglobin, hematocrit, and RBC count used to determine?

Answer 8

MCH, MCV, MCHC

Question 9

Terms for high and low MCV

Answer 9

Macrocytic; microcytic

Question 10

Mean cell hemoglobin

Answer 10

Average weight of hemoglobin in RBCs

Question 11

Mean cell hemoglobin concentration

Answer 11

Average concentration of hemoglobin in RBCs

Question 12

What can cause a high MCHC

Answer 12

Lab error or spherocytes

Question 13

In what disease are spherocytes present?

Answer 13

Hemolytic anemia, hereditary spherocytosis

Question 14

Low MCHC

Answer 14

Hypochromic

Question 15

High platelet count

Answer 15

Thrombocytosis

Question 16

Thrombopenia

Answer 16

Low platelet count

Question 17

What is red cell distribution width?

Answer 17

Numerical expression that correlates with the degree of anisocytosis (variation in size of the population of red cells)

Question 18

What can RBW monitor?

Answer 18

Therapy for iron deficiency anemia or megaloblastic anemia

Question 19

When does a RDW increase and decrease?

Answer 19

Increases when new, normal sized RBCs are produced; decreases as normal cell population becomes the majority

Question 20

Mean platelet volume

Answer 20

Numerical expression of platelet size

Question 21

Primary function of neutrophils

Answer 21

Phagocytosis

Question 22

High number of neutrophils

Answer 22

Neutrophilia

Question 23

Neutropenia

Answer 23

Low number of neutrophils

Question 24

Two types of neutrophils

Answer 24

Bands and segs

Question 25

Eosinophils- function

Answer 25

Pro-inflammatory cells capable of protecting or damaging the host depending on the situation

Question 26

Eosinophils- neutralize, phagocytic, toxic to???

Answer 26

Neutralize basophil products; mildly phagocytic; granules are toxic to parasites

Question 27

Basophil- primary function

Answer 27

Enhance immuno-inflammatory reaction

Question 28

High basophil count

Answer 28

Basophilia

Question 29

Basopenia

Answer 29

Low basophil count

Question 30

What two low cell counts are usually a problem?

Answer 30

Basopenia and monocytopenia

Question 31

Lymphocyte function depends on what?

Answer 31

Type of lymphocyte

Question 32

T cells vs B cells

Answer 32

T cells- cellular immunity; B cells- humoral immunity

Question 33

High lymphocyte count

Answer 33

Lymphocytosis

Question 34

Lymphocytopenia

Answer 34

Low lymphocyte count

Question 35

Reactive/Atypical lymphs

Answer 35

Lymphocytes look difference when responding to various stimuli; usually during viral infections like mono

Question 36

Monocytes- major function

Answer 36

Phagocytosis

Question 37

High monocyte count

Answer 37

Monocytosis

Question 38

Monocytopenia

Answer 38

Low monocyte count

Question 39

Spherocytes are found in

Answer 39

Hemolytic anemia and hereditary spherocytosis

Question 40

Target cells are found in...

Answer 40

IDA, sickle cell anemia, thalassemia

Question 41

Schistocytes are found in...

Answer 41

Microangiopathic hemolytic anemias

Question 42

Howell-Jolly bodies are found in...

Answer 42

Post-splenectomy

Question 43

Reticulocyte count measures

Answer 43

Percentage of reticulocytes

Question 44

Why can reticulocytes be stained?

Answer 44

They contain RNA, mature RBCs don't

Question 45

What does the reticulocyte count show?

Answer 45

How quickly they are being produced and released by bone marrow

Question 46

What would cause an increased rate of RBC production?

Answer 46

Bleeding or hemolytic anemia

Question 47

Lower percentage of reticulocytes

Answer 47

Caused by a nutritional deficiency

Question 48

What does erythrocyte sedimentation rate determine?

Answer 48

Presence of inflammation

Question 49

Do RBCs fall faster or slower during an illness?

Answer 49

Faster

Question 50

What does the bone marrow exam evaluate?

Answer 50

Various hematopoietic disorders like leukemia, lymphomas, anemias

Question 51

What additional thing can bone marrow exams determine?

Answer 51

If leukemia is in remission

Question 52

What tests can monitor disease therapy?

Answer 52

ESR, bone marrow exam