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Flashcards in Haematology Deck (80)
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1

What is the lifespan of an RBC?

120 days

2

What are the 3 types of granulocytes?

Basophils, eosinophils, neutrophils

3

What is an immature RBC in the blood stream called?

Reticulocyte

4

What is the average lifespan of a platelet cell?

8-10 days

5

What shape is the nucleus of a monocyte?

Kidney /bean shaped

6

What is the diameter of a platelet cell?

2-4 um

7

What is the diameter of an RBC?

7.2 microns

8

Which is the most abundant WBC?

Neutrophil

9

What's the most important FBE index to determine the cause of an anaemia?

MCV (mean corpuscular volume)

10

A patient with microcytic anaemia and low ferrettin has what?

Iron deficiency anaemia

11

What are the two main causes of microcytic anaemia?

Iron deficiency and thalasaemia

12

If someone has normocytic anaemia, what is the next test you should look at?

Ferretin to see if it is due to iron deficiency or thalasaemia

13

What are the 4 main causes of normocytic anaemia?

Acute blood loss Bone marrow failure Chronic disease Destruction (haemolysis)

14

Normocytic anaemia with low reticulocyte count suggests what?

Bone marrow failure - bone marrow can't produce enough new RBCs to keep up with anaemia

15

Deficiency of what in the diet will cause macrocytic anaemia?

Folate and B12

16

If there is a normocytic anaemia, what is the next test result you need to look at?

Is there reticulocytosis (to see if bone marrow is working)?

17

If there is a macrocytic anaemia, what is the next test result you need to look at?

Is it megaloblastic?

18

What is haematocrit?

Percentage of blood volume that is RBC volume

19

What type of WBC is this?

Basophil

20

What type of WBC is this?

Neutrophil

21

What shape is the nucleus of a monocyte?

Kidney /bean shaped or eccentric oval

22

Which WBC has a bilobed nucleus?

Eosinophils and basophils

23

Which WBC has a kidney-shaped nucleus?

Basophils OR Monocytes

24

What type of WBC is this?

Eosinophil

25

What type of WBC is this?

Basophil

26

What type of WBC is this?

Monocyte

27

A raised neutrophil count indicates what?

acute inflammation, especially seen in bacterial infections

28

What type of WBC is this?

Monocyte

29

What type of WBC is this?

Neutrophil

30

What type of cell is this?

Lymphocyte