Blood + its functions

Question 1

what do haematologists do

Answer 1

diagnose, research, treat and care for patients with. a range of blood disorders

Question 2

e.gs of blood disorders

Answer 2

bleeding disorders (platelets)
transfusion
haematological malignancies (WBCs)
Haemoglobinopathies (RBC disease)

Question 3

what is the volume of blood in a 70kg man (8% of body weight)

Answer 3

5.5 litres

Question 4

what’s blood histologically classified as

Answer 4

a connective tissue

Question 5

blood taste

Answer 5

metallic

Question 6

colour of blood with high O2

Answer 6

scarlet/ruby red

Question 7

colour of blood with low O2

Answer 7

dark red

Question 8

ph of blood

Answer 8

7.35-7.45

Question 9

3 functions of blood

Answer 9

transport
regulation
protection

Question 10

3 things blood transports

Answer 10

O2 and nutrients to body cells
metabolic waste to lungs and kidneys for elimination
hormones from endocrine to target organs e.g. insulin

Question 11

3 things regulated by blood

Answer 11

body temp by absorbing and distributing heat
pH
adequate fluid volume in circulation

Question 12

why does body temperature have to be kept stable

Answer 12

for enzymes to work

Question 13

what does blood use to maintain normal pH

Answer 13

buffers

Question 14

2 things blood components prevent

Answer 14

excess blood loss after injury

infection

Question 15

2 parts of blood that prevent blood loss

Answer 15

platelets

plasma proteins

Question 16

3 parts of blood that help prevent infections

Answer 16

WBCs (leukocytes)
Antibodies
Complement proteins