HEMA W2:3

Question 1

Main component of red cells, giving off a
salmon pink color

Answer 1

HEMOGLOBIN

Question 2

Responsible for the ability of red cells to
transport and release gases

Answer 2

HEMOGLOBIN

Question 3

Determined by the presence of central pallor
resulting to its biconcave shape.

Answer 3

HEMOGLOBIN

Question 4

diagnosis used for the red cells
loss of O2 carrying capacity

Answer 4

Anemia

Question 5

used to note in the increase of
circulating red cell production

Answer 5

Polycythemia

Question 6

• Determines the number of red cells in per
  microliter or per liter of blood
• Used for differential diagnosis of anemia and
  polycythemia

Answer 6

RBC count

Question 7

RBC count methods

Answer 7

o Manual counting
o Automated analyzers

Question 8

Determines the hemoglobin concentration, a
parameter to assess a case of anemia

Answer 8

Hemoglobin Determination

Question 9

gold
standard for determination

Answer 9

Cyanmethemoglobin method

Question 10

Relies on the reaction after the addition of
Drabkin’s reagent component:

Answer 10

Hemoglobin Determination

Question 11

Drabkin’s reagent component:

Answer 11

o Potassium cyanide
o Potassium ferricyanide
o Sodium carbonate or Dihydrogen potassium
phosphate
o Surfactant or Detergent

Question 12

Referred as the packed cell volume (PCV),
based on the ratio of packed red cells volume
and whole blood volume; reported as
percentage or liter per lite

Answer 12

Hematocrit Determination

Question 13

Methods for Hematocrit determination

Answer 13

(1) microhematocrit method (2)
macrohematocrit method

Question 14

• Requires three numerical results: RBC
  count, Hemoglobin and Hematocrit count
• Measures parameters of a SINGLE red
  cells for the assessment of anemia

Answer 14

➢ RBC Indices

Question 15

Mean cell/corpuscular volume (MCV

Answer 15

size

Question 16

Mean cell/corpuscular hemoglobin (MCH)

Answer 16

o Hemoglobin
o Pallor
o Color

Question 17

Mean cell/corpuscular hemoglobin
concentration (MCHC)

Answer 17

o Concentration
o Pallor
o Color

Question 18

Amount of normal/abnormal cells

Answer 18

Red cell distribution width (RDW)

Question 19

• Requires Wright-stained peripheral blood
  smear at 500-1000x total magnification
• Assesses red cells based on diameter,
  color, shape, and presence of inclusions

Answer 19

RBC Morphology

Question 20

Immature form of RBC/young version
- Also known as the polychromatic or
polychromatophilic erythrocytes; contains RNA
remnants

Answer 20

RETICULOCYTES

Question 21

Newly released cells from bone marrow and
subject to maturation becoming erythrocytes
o Matures in the blood vessels
o Reticulocytes can only mature in the
bloodstream.
o Exits in the peripheral blood

Answer 21

RETICULOCYTES

Question 22

Assesses the ability of bone marrow to increase
RBC production in response to anemia
o Hypoxia is low levels of oxygen in your
body tissues.

Answer 22

RETICULOCYTES

Question 23

low levels of oxygen in your
body tissues

Answer 23

Hypoxia

Question 24

Observed by Supravital stained peripheral
blood that can stain cells in living stat

Answer 24

RETICULOCYTES

Question 25

Supravital stains

Answer 25

o New methylene blue
o Brilliant cresyl blue
o Crystal violet

Question 26

Mainly responsible for the protection and
provides immunity against infection and/or
injury

Answer 26

. LEUKOCYTES

Question 27

Either transported from bone marrow or
lymphoid tissue in response to infection

Answer 27

. LEUKOCYTES

Question 28

Granuloyctes

Answer 28

Neutrophils, Eosinophils,
Basophils

Question 29

Aggrunolocytes

Answer 29

Monocytes, Lymphocytes