Chapter 1 - Overview Of Clinical Lab Hematology

Question 1

It is anucleate biconcave cells

Answer 1

RBC

Question 2

A cell that contains HGB (reddish brown protein)

Answer 2

RBC

Question 3

RBC is measured to 6-8 ūm in diameter and the zone of pallor covering 1/3 of their center. True or false?

Answer 3

True

Question 4

He described “worms in blood in 1657

Answer 4

Athanasius Kircher

Question 5

In 1674 he gave and account of RBC’s

Answer 5

Antok Van Leeuwenhoek

Question 6

He described platelets as “petites plaques”

Answer 6

Giulio Bizzozero

Question 7

He developed the Wright stain and opened a new world of visual blood examination through the microscope.

Answer 7

James Homer Wright

Question 8

The scientific term for cell appearance?

Answer 8

Morphology

Question 9

Loss of oxygen-carrying capacity and is often reflected in a reduced RBC count is termed?

Answer 9

Anemia

Question 10

It means, increased RBC count

Answer 10

Polycythemia

Question 11

When polycythemia occur reflecting in increased RBC mass which condition leads to

Answer 11

Hyperviscosity

Question 12

To count RBC, a pipetted tiny aliquot of whole blood is needed and mixed it with 0.85% saline. T OR F

Answer 12

T

Question 13

Dilution for typical RBC count is

Answer 13

1:200

Question 14

These apparatus are used for manual counting (2)

Answer 14

Hemocytometer and Thoma pipet

Question 15

Normal hemoglobin transports __ and __

Answer 15

O2 and CO2

Question 16

Normal types of hemoglobin? (2)

Answer 16

Oxyhemoglobin and deoxyhemoglobin

Question 17

Oxyhemoglobin contains ___ and ___. And color ____

Answer 17

Oxygen and Hb

Bright red

Question 18

Carboxyhemoglobin contains __ and __. And color ____

Answer 18

CO2 and Hb

Dark red

Question 19

Also called as packed cell volume (PCV)

Answer 19

Hematocrit

Question 20

Hemoglobin measurement. Principle?

Answer 20

Hb(Fe^2+)K3Fe(Cn) -> methemoglobin (Fe^3+) KCn -> Cyanmethemoglobin

What. The. Fuck. Is. This. Shit.

Question 21

These are abnormal Hgb that transports O2/nonfunctional. (3)

Answer 21

Carboxyhemoglobin - CO + Hb (cherry red)
Methanoglobin - oxidizing agent + Hb (chocolaye brown)
Sulfhemoglobin - invitroreaction (green)

Question 22

In hematocrit determination. ___ of th capillary tube must be filled

Answer 22

2/3

Question 23

Capillary tube should be sealed using _____

Answer 23

Clay paraffin

Question 24

Last immature erythrocyte stage?

Answer 24

Reticulocytes

Question 25

Supravitals stain for reticulocytes?

Answer 25

New methylene blue

Question 26

Also known as leukocytes

Answer 26

WBC

Question 27

Protects the hosts from infection or injury.

Answer 27

WBC

Question 28

What are the granulocytes (3)

Answer 28

Neutrophil
Eosinophil
Basophil

Question 29

What are the agranulocytes? (2)

Answer 29

Lymphocyte and monocyte

Question 30

The increase in Polymorphonuclear neutrophil (PMN) is called?

Answer 30

Neutrophilia

Question 31

The dec in PMN is called?

Answer 31

Neutropenia

Question 32

Increase in Neutrophil is usually caused by?

Answer 32

Bacterial infection

Question 33

Increase in Eosinophil is usually caused by?

Answer 33

Parasitic infection

Question 34

Decreases in lymphocyte is termed as?

Answer 34

Lymphocytopenia

Question 35

It controls the hemostasis that seals the wounds, repair vessel wall and maintain vascular patency

Answer 35

Platelet

Question 36

Also known as thrombocytes

Answer 36

Platelet

Question 37

It is 2-4 ūm kn diameter, round or oval, anucleate and slightly granular.

Answer 37

Platelet/Thrombocyte

Question 38

The average human blood possesses ___ L of blood

Answer 38

5