Transcribed Image Text: 11. A common preservative used in hematology and blood banking reagents is: Sodium bicarbonate Sodium azide Sodium citrate Sodium fluoride None of the above 12. Romanowsky stains

Transcribed Image Text: 11. A common preservative used in hematology and blood banking reagents is:
Sodium bicarbonate
Sodium azide
Sodium citrate
Sodium fluoride
None of the above
12. Romanowsky stains include which ingredients?
a)
Methylene Blue
lodine
Eosin
Safranin
A and C
e)
13. The blood in a light blue tube will separate into these components when centrifuged
a)
Blood cells, serum, plasma
Blood cells, buffy coat, plasma
Serum, buffy coat, clot
Plasma and clot
Serum and clot
14. If small clots are noted when making a blood smear, one should:
a)
b)
c)
d)
Make the smear and note on the slide that clots are present
Mix the blood specimen for one hour then make the smear
Do nothing; small clots will not affect a blood smear
Request a new specimen before doing the blood smear
Add more anticoagulant to the blood tube, mix, then make the blood smea
15. is the purpose of doing a differential?
a)
b)
To determine the proportion of RBCS in the whole blood
To count the number of WBC’s in whole blood
To determine the proportion of WBC’s in whole blood
To microscopically examine RBCS and platelets
To diagnose anaemia