blood + grouping

Question 1

name the 3 main functions of blood

Answer 1

transport, regulation, protection

Question 2

what does blood transport (5)

Answer 2

gasses(o2,co2), nutrients, hormones, heat, waste

Question 3

name 3 things blood will regulate

Answer 3

pH, temperature, water content

Question 4

how does blood protect (2)

Answer 4

clotting, WBCs

Question 5

name 6 components of blood

Answer 5

platelets, RBCs, monocytes, neutrophil, lymphocytes and plasma

Question 6

which component of blood is straw-coloured, sticky, 90% water and contains proteins and solutes

Answer 6

plasma

Question 7

which component of blood is biconcave and has no nucleus, contains haemoglobin

Answer 7

RBCs

Question 8

name the 5 types of leukocytes

Answer 8

neutrophils, eosinophil, basophil, small lymphocyte, monocytes

Question 9

what group do neutrophils, eosinophils and basophils fall into

Answer 9

granulocytes

Question 10

role of neutrophil

Answer 10

phagocytise bacteria

Question 11

role of eosinophils

Answer 11

involved in allergies and kill parasites

Question 12

role of basophils

Answer 12

mast cells of connective tissue and release histamine etc. involved inflammatory response

Question 13

what group are lymphocytes and monocytes classified in

Answer 13

agranulocytes

Question 14

role of lymphocytes

Answer 14

form plasma cells and produce antibodies

Question 15

role of monocytes

Answer 15

phagocytise debris

Question 16

there name for platelets

Answer 16

thrombocytes

Question 17

erythropoiesis means what

Answer 17

production of erythrocytes

Question 18

too few RBCs

Answer 18

hypoxia

Question 19

too many RBCs

Answer 19

blood too viscous

Question 20

key hormone to regulate erythrocyte formation

Answer 20

EPO - erythropoietin

Question 21

what is a haematocrit

Answer 21

percentage of RBCs in a sample

Question 22

female haematocrit level

Answer 22

37%-47% RBCs

Question 23

male haematocrit level

Answer 23

42%-52% RBCs

Question 24

hat is a main reason Haematocrit levels may rise

Answer 24

dehydration

Question 25

what determine blood group

Answer 25

the antigens found on the surface of RBCs

Question 26

name the 4 blood groups

Answer 26

A B AB and O

Question 27

name the 8 blood types

Answer 27

A+ A- B+ B- AB+ AB- O+ O-

Question 28

what do the + and - on blood groups stand for

Answer 28

RH antibodies

Question 29

what antibodies would blood group A make (A-antigens)

Answer 29

they make B-antibodies

Question 30

what antibodies would blood group B make (B-antigen)

Answer 30

they make A-antibodies

Question 31

what antibodies would blood group AB make (A+B antigens)

Answer 31

make no antibodies

Question 32

what antibodies would blood group O make ( no antigens)

Answer 32

They make both A and B antibodies

Question 33

it is possible for transfusion reaction to accur between mother na d bay if one is RH- and one is RH+: true or false

Answer 33

true- not likely to occur during first pregnancy but if second baby was also different RH antibodies, transfusion reaction would occur

Question 34

what happens if transfusion reactions occurs during pregnancy

Answer 34

Haemolytic disease of the newborn (HDM) - mothers RH antibodies pass into placenta and start attacking baby RBCs. Baby becomes anaemic and hypoxic in sever cases baby becomes brain damaged or dies

Question 35

which blood type can be given to anybody

Answer 35

blood type O can be used for any transfusions as the RBCs do not contain and antigens on their surface