Cellular Components Of Blood

Question 1

Name of WBC

Answer 1

leukocyte

Question 2

Name of platelets

Answer 2

Thrombocytes

Question 3

Where are RBCs 1) produced 2) shape 3) carry what gases 4) oxygen is carried on what molecule 5) production controlled by what hormone 6) where is this hormone produced

Answer 3

1) red bone marrow 2) bi concave disc shape 3) Oxygen and Carbon Dioxide 4) haemoglobin 5) erythropoietin 6) kidneys

Question 4

Haemoglobin is composed of what

Answer 4

4 protein sub units, each containing an iron centre (heme)

Question 5

Each heme centre carries how many molecules of oxygen?

Answer 5

1

Question 6

WBCs make up how much % of whole blood

Answer 6

1

Question 7

WBCs are 1) shape 2) nucleus type 3) functions

Answer 7

1) circular or ameboid 2) circular or multi lobed nucleus 3) protect body against infection and assist in recycling cellular debris

Question 8

Name 2 groups of WBCs

Answer 8

Granular and Agranular

Question 9

Specialised lysosomes are what and found in which WBCs

Answer 9

Granules and are found in granular WBCs

Question 10

Specialised lysosomes contain what and what is the purpose of this

Answer 10

Contains enzymes and other compounds designed to destroy bacteria

Question 11

Name 2 specific examples of what granules could contain

Answer 11

Digestive enzymes and antibiotic proteins called defensins

Question 12

Name the 3 types of granular leukocytes and the colour stain related to them

Answer 12

Acidophils/Eosinophils = Acidic dye = Red
Basophils = Basic = Blue
Neutrophils = neutral = purple

Question 13

What are the majority of granular leukocytes in the blood found

Answer 13

Neutrophils

Question 14

What granular leukocytes is important for protecting the body against parasites and so increases when there is an infection

Answer 14

Eosinophils/Acidophils

Question 15

Granular leukocytes have a multi lobed nucleus and the lobes appear to be separated but what are they joined by

Answer 15

By a thin thread of chromatin

Question 16

Neutrophils may contain 3-6 lobes and so could be called what

Answer 16

Polymorphonuclear leukocytes

Question 17

What feature of granular leukocytes allows them to have the ability to engulf and digest bacteria

Answer 17

They are phagocytic

Question 18

Name the 2 types of Agranular leukocyte

Answer 18

Monocytes and lymphocytes

Question 19

Monocytes are primarily what

Answer 19

Phagocytic cells

Question 20

What other feature do monocytes have

Answer 20

Break down bacteria and other ingested material which can be recognised by the immune system

Question 21

What shape are monocyte nucleus

Answer 21

U shaped

Question 22

Where else can lymphocytes be found

Answer 22

Lymphoid tissue

Question 23

Describe the type of nucleus a Lymphocyte has and what the outer rim is

Answer 23

Large spherical nucleus and has a thin outer rim of cytoplasm.

Question 24

Name two groups of lymphocytes

Answer 24

T cells and B cells

Question 25

T cells are 1) matured where? 2) attack what

Answer 25

1) matured in thymus gland 2) attack infected or cancerous cells

Question 26

B cells 1) produce what 2) mature where

Answer 26

1) produce antibodies 2) red bone marrow

Question 27

What is chemotaxis

Answer 27

Ability to sense and migrate towards chemical signals released by bacteria and damaged tissues

Question 28

What are platelets and where have they come from

Answer 28

Plasma membrane, cytoplasm and no nucleus. They have budded off from a bone marrow cell megakaryocyte

Question 29

What hormone stimulates bone marrow production of platelets and where is this hormone produced

Answer 29

Thrombopoietin (TPO) produced by the liver

Question 30

Platelets contain a special assortment of proteins and other molecules for what

Answer 30

To enable them to stick together and assist in clot formation and tissue repair

Question 31

Platelets last how long if they do not become involved in blood clotting

Answer 31

10 days

Question 32

Name of RBC

Answer 32

Erythrocytes

Question 33

Leukocyte movement is what in nature (cell crawls rather than swims)

Answer 33

amoeboid

Question 34

Platelets contain what ion for growth factor

Answer 34

Ca2+, serotonin