Medical laboratory science
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1 E.coli, salmonella , shigella transmitted by : fecal oral

2- HBV , HCV , HDV transmitted by: parental

3- which Ig cross the placenta : IgG

4- universal donor: O negative

5- relapsing fever: B.recurrentis

6- not true about Nocardia ? gram negative

7- keto acid in urine? Leucine

8- cause hospital acquired urinary tract infection, catalase + , coagulase - , novobiocin susceptible: staphylococcus epidermidis

8- UTI , pic of Mackonky agar lactose fermenter, indole + : E.coli

9- link between innate and acquired immunity ? Cytokines

10- leukotaxin ? Chemical mediator

9- cryoprecipitate rich in except ?
( memorise the cryoprecipitate factors)

10- all of the following right about blood component except? FFP thawed at 56C

11- test to differentiate between N.meningitidis and N.gonorrhea : superoxol test

12- megakaryocyte decrease in :

13- Oocyct of toxoplasma? In cat feces

14- A father and AB mother what blood group will not seen in the children? O

15- AO mother BO father what is percent to have AB children ? 25%

16- Infestation of skin by developing larva ( maggots) ? Myasis

17 A/G ratio

18- case about car accident, high AST, CK-MB : myocardia infarction

19- long case, 20 years old patient came to the emergency …, fruity mouth smell , dryness of the his body, 3+ glucose in urine , 3+ acetone in serum , ph= 7.2 , pCO2= 20 , Na+ = 136, k, BUN ( I don’t remember the values + they didn’t give the reference range for this question ) , he diagnosed to have diabetes type 2 , his brother had Diabetes type 1
Q: diagnose the patient
a- diabetes type 1
b- diabetes type 2
I don’t remember the other options

20- P. Malaria life cycle ? 72h

21- all tested before transfusion except?
a- CMV
b - HBV
c - HIV
d - bacterial endocarditis
e - syphilis

22- high ESR except ?
a- polycythemia rubra vera
b- multiple myloma
c- pregnancy
d- fever
e- leukemia
Answer is a

23- group A streptococcus cause ? B hemolysis

24- which one is group B streptococcus? S.Aaglactiae

25- hemophilia is ? X linked recessive

26- study of chromosomes and cell division? Cytogenetic

27- all intravascular hemolysis except? Hereditary spherocytosis

28- true about reticulocyte? Supravital stain

29- not in urea cycle? Histidine

30- not true about hemolytic anemia? Decrease reticulocyte

31- not true about albinism? Mental retardation

32- need to monitor and give during insulin therapy? K

33- agar with antibiotic? Selective

34- klebshiella virulence factor? Capsule

35- early fasting get energy from ? Hepatic glycogenolysis

36- neonatal meningitis caused by E.coli what is the sample? Neonate CSF

37- extracellular cation : Na+

38- double bond between ? A and T

39- vibrio cholera in TCBS give ? Yellow colonies due to acid production from sucrose

40- formed stool sample examine :
Less trophozoite, more cyst of intestinal protozoa


41- bone marrow aspiration beneficial in all except ?
a- polycythemia rupra vera
b- acute leukemia
c- aplastic anemia
b- G6PD
d- multiple myloma

I choose G6PD anemia , I don’t know what is the right answer

42- Ultrafiltration

43- case lab worker with hepatitis ? High ALT and AST

44- scotch tape used for ? Enterobius vermicularis

45- hydatid cyst ? Echinococcus granulosus

46- germ tube test for ? Candida albicans

47- pic of ANA : it was nucleolar


48- DAT : in vivo Ab coated RBC

49- cryoprecipitate rich in ? VIII

50- 1 kiloliter =
a- 10
b- 100
c- 1000
b- 10000

51-
Children drink alcohol , sensitive test to diagnose liver damage?
حليتها ALT بالنسبة لشرح ملزمة ومضة

52- pancreatic enzyme? Lipase

53- hormone responsible for water reabsorption ? ADH

54- which stimulate the release of ACTH? corticotropin releasing hormone

55- true about acute leukemia ? >20% blast

56- zoonotic disease? Yersinia

57- function of sodium fluoride ? Inhibit glycolysis

58- how to differentiate between facultative anaerobic and anaerobic?
a- TSI
b- chocolate agar incubate with CO2
c- ONPG
d- I don’t remember
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March 14 _2025

1. Common method of automated immunoassay?
A- Chemiluminescence.

2. Technique for hormonal estimation?
A- Immune diffusion.

3. Sample for CBC Analysis?
A- Whole Blood.

4. Falsely elevated Potassium level?
A- Hemolysis.

5. ABO typing?
A- Add cells, add antisera, spin & mix.

6. Grow virus in Lab?
A- Tissue Culture.

7. Specimen for Respiratory tract?
A- Nasal Swab.

8. Tube for serological test?
A- Plain tube.

9. Decontamination for?
A- Disinfection of removal of Living organism.

10. Glucose estimation in emergency situation?
A- Random.

11. Reagent for A sub-group?
A- Anti-A1

12. Anticoagulant for blood count?
A- EDTA

13. Study of fungus?
A- Mycology.

14. Direct Coombs test for?
A- an autoantibody on red cell surface.

15. More often parasite can be found?
A- Stool.

16. Blood donation by infected  Hep B surface Antigen?
A- Deferral period permanent.

17. Urine collection container include?
A- Acid

18. Examination of Niesseria gonorrhea?
A- Cervix

19. Reagent for Oxidase test?
A- Tetra methyl para-phenylene diamine-dihydrochloride.

20. Blood Bag picture showing 710kg weight, reason for rejection?
A- Overweight

21. Reason for unsuitable platelet transfusion?
A- platelet wasn't prepared by plateletphoresis.

22. Reagent for oxidase test?
A- Tetramethyl-p-phenylenediamine.

23. Standard PCR steps?
A- Denaturation, annealing & extension.

24. Sickle test depends on?
A- Solubility of HB S.

25. IV infusion?
A- Diluted sample.

26. Technique for hormonal estimation?
A- Immune Diffusion.

27. Colour of Hep C samples?
A- Red.

28. Specific stain for DNA Electrophoresis?
A- Ethidium Bromide.

29. For Inoculation of bacteria?
A- A loop with handle.

30. Glucose in urine due to?
A- Glucagon.

31. True for vibrios & pseudomonas?
A- Non-lactose fermenter.

32. Compound for fixation of blood films?
A- Acid-alcohol.

33. Malarial vector?
A- female anaphelos mosquito.

34. Stain for malarial parasite?
A- Giemsa.

35. Reagent blank used for?
A- Zeroing the instrument.

36. Collection of blood for glucose estimation?
A- Na-F tube

37. Normal adult platelet range?

38. Chemical used for chemiluminescence?
A- Horseradish peroxidase.

39. Analysis of urinary glucose?
A- Glucose oxidase.

40. Grow virus in lab?
A- Tissue culture.

41. Hemolytic disease of newborn due to Rh incompatibility?
A- Newborn RBCs

42. Diagnostic test for CRP?
A- Reverse passive agglutination.

43. Most sensitive test for cardiac troponin?
A- Enzyme labelled Immunoassay.

44. Common method for measuring heavy metals?
A- AAS (atomic absorption spectrophotometer).

45. Internal quality control assessed?
A- laboratories own internal standards.

46. India ink use for detection?
A- Capsules.

47. Picture?
A- venipuncture site touched after cleaning.

48. Oil lense magnification?
A- 100x

49. Dimeric antibodies?
A- IgA

50. To seperate sediments and particles?
A- Centrifugation.
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