IASM 25: Blood Cells

Question 1

What is the meaning of haematopoiesis

Answer 1

Formation of blood cells

Question 2

Where is the formation of blood cells

Answer 2

Red bone marrow

Question 3

Bone Marrow is a type of _____ tissues

Answer 3

Connective tissues

Question 4

Throughout ageing, there is ____ in red bone marrow, and ____ in yellow bone marrow

Answer 4

Decrease in red

increase in yellow

Question 5

Name 2 locations of red bone marrow in adults

Answer 5

Proximal end of bones

Axial skeleton

Question 6

What is the stimulus of Erythropoiesis

Answer 6

Hypoxia

Question 7

Where is Erythropoietin majorly released

Answer 7

Kidney

Question 8

In which stage is the nucleus reduced in size and ejected during erythropoiesis

Answer 8

Proerythroblast

Question 9

Where is erythrocytes broken down

Name 2 locations

Answer 9

Liver

Spleen

Question 10

What is the fate of Heme and Globin after the break down of haemoglobin

Answer 10

Heme: Becomes bile egested in the faeces; iron is reused
Globin: Hydrolysis to form amino acids

Question 11

Name 3 types of granulocytes under WBCs

Answer 11

Neutrophils
Basophils
Eosinophils

Question 12

Name 3 types of agranulocytes under WBCs

Answer 12

Monocytes/ Macrophages
Lymphocytes
Natural Killer Cells

Question 13

What is the most abundant type of WBCs

Answer 13

Neutrophils

Question 14

Neutrophils are polymorphonuclear

What does that mean

Answer 14

Having lobulated nucleus connected by chromatin

Question 15

An older neutrophil has more/less lobes

Answer 15

More

Question 16

The granules of basophils are basophilic, they are stained to what colour?

Answer 16

Purple blue

Question 17

Name 2 features of Eosinophils

Answer 17

Bilobed nucleus
Eosinophilic granules (stained red)

Question 18

Monocytes have a nucleus with what shape?

Answer 18

Kidney or horse shoe shape

Question 19

What shape of nucleus does lymphocytes have?

Answer 19

Round shape

Question 20

Which type of lymphocyte is more common

Small or large

Answer 20

Small (90%)

Question 21

A large lymphocyte means that it has ____ cytoplasm

more or less

Answer 21

More

Question 22

What are thrombocytes

Answer 22

Platelets

Question 23

Does platelets have nucleus

Answer 23

no

Question 24

Production of platelets are regulated by _______

Answer 24

thrombopoietin

Question 25

Where is thrombopoietin produced (major)

Answer 25

liver