histology of blood vessels and blood film

Question 1

what do venules join to form

Answer 1

post capillary venule

Question 2

tunica intima

Answer 2

single layer of squamous epithelial cells

Question 3

tunica media

Answer 3

predominately of smooth muscle
thickness varies

Question 4

tunica aventitia

Answer 4

supporting connective tissue

Question 5

what is the intima and media seperated by

Answer 5

internal elastic membrane

Question 6

what is the media and aventitia seperared by

Answer 6

external elastic membrane

Question 7

are elastic fibres stained comonly

Answer 7

no

Question 8

elastic fibres assoc

Answer 8

to provide elastic recoil such as in aorta where smooth muscle is replaced by sheets of elasric fibres

Question 9

vasa vasorum

Answer 9

own blood supply in large arteries as only inner part can obtain nutrients from lumen

Question 10

do arterioles have a lot of smooth muscle

Answer 10

NO onylone or two layers

Question 11

meta arterioel

Answer 11

Smooth muscle are replace by dis-continuous non-contractile cells called pericytes

Question 12

where are capillaries absent

Answer 12

Epithelial cells resting on basement membrane
Epidermis of skin, hair and nails
Cornea of the eye
Hyaline cartilage

Question 13

continous capillary site

Answer 13

muscle nerve lung skin

Question 14

fenestrated

Answer 14

haev small pores
gut mucosa
endocrine glands
kidney

Question 15

disconintous or sinusoidal

Answer 15

large gaps ]liver
spleen
bonemarrow

Question 16

seperation of bloo

Answer 16

red cells densest at bototm
white cells next
pplasma on top

Question 17

what do RBCs lack

Answer 17

nucleus and organelles

Question 18

haemoolysis

Answer 18

bursting of rbcs

Question 19

multi lobes nucelus

Answer 19

neutrophils

Question 20

what do neutrophils circulate in

Answer 20

an inactive site

Question 21

bilobed nuceleus

Answer 21

eosinophils

Question 22

eosinophil role

Answer 22

inducing and maintaining inflammation, particularly in allergic reactions and asthma. They are also important in fighting parasitic infection.

Question 23

what do the granule sof basophils contain

Answer 23

histamine
heparin

Question 24

kidney bean shaped

Answer 24

monocytes

Question 25

do platelets have a nucleus

Answer 25

no

Question 26

what else can monocytes bcecome

Answer 26

dendritic cells