Hematology

Question 1

section deals with the
enumeration of cells in the blood

Answer 1

hematology

Question 2

Nucleated when immature, NO nucleus
when mature
 No nucleus due to full of hemoglobin
 Produced in the bone marrow by stem
cells
 Consist of hemoglobin that carries oxygen
from the lungs to different parts of the
body & carbon dioxide back to lungs

Answer 2

red blood cells - erthrocytes

Question 3

 Mobile blood cells
 Produced in bone marrow by stem cells
 Defend the body against infection
 Pus - shows during wounds

Answer 3

white blood cells - leukocytes

Question 4

what are the types of leukocytes?

Answer 4

neutrophils
eosinophils
basophils
monocytes (macrophages)
lymphocytes

Question 5

phagocytosis and protection

Answer 5

neutrophils

Question 6

allergic reactions and parasitic infections

Answer 6

eosonophils

Question 7

inflammatory reactions

Answer 7

basophils

Question 8

phagocytosis and antigen processing, also the largest type of leukocytes

Answer 8

monocytes (macrophages)

Question 9

humoral immunity b cell and cellular immunity t cell

Answer 9

lymphocytes

Question 10

cell fragments also produced
in the bone marrow by stem cells
 Adhere to the walls of the blood vessels to
plug ruptures, thereby, preventing the
release of blood
 Release chemicals that cause clots to form
in the blood

Answer 10

platelets - thrombocytes

Question 11

Iron-containing oxygen-transport
metalloprotein in the red blood cells

Answer 11

hemoglobin

Question 12

 Known as Packed cell volume (PCV) or
Erythrocyte volume fraction (EVF)
 Volume percentage of red blood cells in a sample of whole blood

Answer 12

hematocrit

Question 13

Anemia, Increased WBCs, Vitamin
deficiency, recent or long-term blood
loss

Answer 13

low hematocrit

Question 14

Dehydration, Severe burns, Diarrhea, Polycythemia vera, Lung or Heart
disease

Answer 14

high hematocrit

Question 15

 Can measure all types except
Sulfhemoglobin
 Drabkin’s solution

Answer 15

Cyanmethemoglobin

Question 16

 Modified Drabkin’s reagent

Answer 16

automated hemoglobinometer

Question 17

HemoCue method is based on
modified azidemethemoglobin
reaction

Answer 17

POC hemoglobin assay

Question 18

The rate at which the RBCs fall in a column

Answer 18

erythrocyte sedimentation rate ESR

Question 19

the value in hematocrit is measured by

Answer 19

percent

Question 20

what destroys the unwanted cells

Answer 20

diluting fluids

Question 21

2 types of leukocytes

Answer 21

granulocytes - has granules
agranulocytes - no granules

Question 22

belongs to granulocytes

Answer 22

neutrophils
eosinophils
basophils

Question 23

belongs to agranulocytes

Answer 23

monocytes (macrophages)
lymphocytes

Question 24

what is the normal value of hemoglobin test in female?

Answer 24

120-170 g/L

Question 25

what is the normal value of hemoglobin test in male?

Answer 25

110-150 g/L

Question 26

Westergren method is regarded as the
method of choice by Clinical & Laboratory
Standards Institute (CLSI)

Answer 26

erythrocyte sedimentation rate ESR

Question 27

bloods and its component

Answer 27

55% of plasma
1% of buffy coat (leukocytes & platelets)
45% of erythrocytes

Question 28

 To determine percentage of each cell type
 Evaluation of cell morphology
 Use OIO to count 100 cells

Answer 28

peripheral blood smear