haematology

Question 1

stem cell

Answer 1

cell that has the ability to self renew and differetinate

Question 2

Typical refence ranges
Neutrophils =

Answer 2

40-60%

Question 3

Lymphocytes =

Answer 3

20-40%

Question 4

Monocytes

Answer 4

2-8%

Question 5

Eoisonphils

Answer 5

1-4%

Question 6

Basophils

Answer 6

0.5-1%

Question 7

RBC =

Answer 7

M = 4.5-5.9 cells/mcl W= 4.1to 5.1 cells/mcl

Question 8

Hgb

Answer 8

M = 13.8 to 17.2 grams/dL W= 12.1 to 15.1 grams/dL

Question 9

Hemarocrit (Hct)

Answer 9

M= 40.7% to 50.3% W= 36.1% to 44.3%

Question 10

WBC =

Answer 10

3.5 to 10.5 billion cells/L

Question 11

Platelet count =

Answer 11

150 to 450 billion/L

Question 12

Mean Corpuscular Volume (MCV) (indicates the average size of red blood cells)

Answer 12

80-100 fL

Question 13

Mean Corpuscular Hemoglobin (MCH) (average amount of hemoglobin per red blood cell)

Answer 13

27-33 pg/cell

Question 14

Mean Corpuscular Hemoglobin Concentration (MCHC) (average concentration of hemoglobin in red blood cells)

Answer 14

33-36 g/dL

Question 15

Red Cell Distribution Width (RDW) (measures variation in red blood cell size)

Answer 15

11.5%-14.5%

Question 16

Cord blood stem cell

Answer 16

a stem cell isolated from
the blood in the umbilical cord from a new born
baby. Sometimes frozen for later use.

Question 17

Adult stem cell

Answer 17

a stem cell from an adult
person. Hematopoietic, Mesenchymal, Neural,
Epidermal & Intestinal.

Question 18

what is Haematopoiesis

Answer 18

blood cell production

Question 19

Where does haematopoiesis take place

Answer 19

In bone marrow = sternum , pelvis and femurs

Question 20

Pluripotent:

Answer 20

able to produce progeny
of all lineages

Question 21

Oligopotent:

Answer 21

able to produce
progenitor cells that may differentiate
into a few cell types ie lymphoid or
myeloid stem cells