Haematology ,Part : A
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| Haematology or hematology |
There are manny questions are aries from haematology,first we will see about Heamatology branch then we will study some questions.
Haematology :
Haematology is the science or study of blood in the medical field. Hematology includes the treatment of blood disorders and malignancy.Hematology is the subspecialty of internal medicine that focuses on the care of patient with disorder of the blood,bone marrow and lymphatic systems.
Some clinical problems managed by hematologist are :
- Ane aneamias
- Heamatological malangnancies and other processes
- Congenital and acquired disorders of heamatostatsis.coagulation and thrombosis.
Here is some important questions from haematology which are helpful for laboratory technician and lab assistant for their exames and study.
So refer all questions mentioned here.
1) Thromboplastin is released by damaged of ?
Answer : Tissues and Platelets
2) What is full form of EDTA ?
Answer : Ethylene diamine tetra acetic acid
3) EDTA preserves cellular elements and acts as a ......
Answer : Coagulant
4) EDTA K2 salt is recommended for CBC,because ?
Answer : More water soluble
5) What are the function of anticoagulant agent ?
Answer :
● Preserving cell morphology.
● Preserving clot formation.
6) Name the four Anticoagulant used for testing ....
Answer :
● EDTA - CBC
● Trisodium citrate - ESR
● Fluoride Oxalate - Sugar
● ACD - Blood bank
7) Trisodium citrate acts by ...
Answer : Chelating calcium
8) Heparin acts by ....
Answer : Inhibiting throbbing and cloting factor activation.
9) Name the important constitute of RBCs.
Answer : Haemoglobin
10) 1 gram of haemoglobin contain approximately how much oxygen ?
Answer : 1.34 ml oxygen
11) Name the two method used in the estimation of haemoglobin ?
Answer :
● Sahli's method
● Cyanmeth haemoglobin method
12) What is the lowest HB value obtained in sahli's method ?
Answer : 2 gm/dl
13) What can be done if HB level is below 2 gm/dl in sahli's method ?
Answer :
Take double quantity of blood sample and divided the value obtained by 2
14) In presence of calcium thromboplastin converts inactive prothrombin into ____ ?
Answer : Active thrombin
15) EDTA preserves cellular morphology for .... hrs.
Answer : 2 - 3 hrs.
16) What are the advantages of EDTA
Answer :
● Preserves cellular morphology.
● Preserving clothing.
● Prevents platelet clumping.
17) What are the disadvantage of EDTA ?
Answer :
● RBC and WBC shrinks.
● PCV reduced.
● MCHC increased.
● Platelet swell and disintegrate.
18) Thrombin converts soluble fibrinogen into insoluble fibrin clot,
Presence of ____ ?
Answer : Calcium ion
19) How much blood should be added to 8 mg EDTA vial for good result ?
Answer : 3 - 4 ml.
20) What are the precautions that have to be taken while using anti-
coagulanted vials ?
Answer :
● Adding exact volume of blood.
● Mixing gently after adding blood.
