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1-  A case conjunctivitis has been suspected to be trachoma .

wich of the following organisms is MOST likely to be the

causative agent :

 

Ricketsia species  Boreerlia vincenti

  Clamydia species

  Treponema pallidum

  Borrelia duttoni

2- All of the following are samples used in the biochemistry lap

except :

 

Serum

  Plasma

  Urine

  Bone marrow aspirate

3- 

Thromobocytosis is a common finding in which of the following

diseases :

  Von willebrand disease

  Immune thromobocytosis purpura

  Iron deficiency anemia

  Sickle cell anemia ( تأكة  ااب)  

  Glanzmann's thrombasthenia

4- When parasite eggs are few in number in feces , which of the

following techniques are recommended .. ? 

 

Direct smear test

  Ezamination od duodenal aspirate

  Rectal biopsy

  Formol ether quantitative technique

  Abdomainal ultrasonography

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5- Poikilocytosis means :

  Variation in shape

  Variation in size

  Variation in shape and size

  All of the above

6- Paul – bunnel test is positive in :

  Infectious mononucleosis

  Toxoplasma

  Viral hepatitis

  AIDS

 

None of the above

7- Which of the following is seen in hemophilia A ?

  Decreased factor VIII

  Decreased vWF

  Normal factor VIII : C

  Decreased factor IX

8- 

A blood sample stored overnight before being sent to thelaboratory may show a falsely high level of :

  Potassium

  Phosphate

  Alkaline phoshatase

  GPT

  Cholesterol

9- 

Which of the following is motile gram– negative rod ?

  Bacillus anthracis

  Heamofilus infuenzae

  Brodetella pertussis

  Psedomomas aeruginosa

  Yersinia pestis

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10-  Spectrophotometry is based on the following principle

(s) :

  The amount of the light absorbed is proportional to the amount

of the substance that is present (ااب

 

 تأكة

 

)  

  Transmission is equal to absorbance

  Rasbsorptive constant is equal for all substances

  Ion change

11- The cocci bacteria that cause abscesses , pustules , pimples

and boils are :

  Staphylococci ااب)   ةكأت )  

 

Streptococci

  Diplococcic

  Pnumococci

12-  The serum antibodies that can be found in individuals tn

the O group is\are :

  Anti – A abd B

  Anti – B only

  Anti – A only

  None of the above

  All of the above

13-  The total leukocytic count > 4,000 / cu.mm is found in :

  Bactreial infection

  Inflammation

 

Malignancies  Hepresplenism

  None of the above

14-  Which of the following glands secretes the parathyroid

hormone :

  Thyroid

  Parathyroid

 

Adrenal ( cortex )

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  Adrenal ( medulla )

  Pituitary

15- 

In Glanzmann's thromobasthenia , the defect in :

  Thrombosis ااب)   ةكأت )  

  Aggregation

  Adhesion

  Coagulation

  Both B , C

16- 

Bacteria that can cause pharyngitis include all the

following EXCEPT :  Corynebaterium

  Nesseria gomorrhoea

  Chlamydophilia pneumonia

  Staphylococcus Aureus

17-  Mycobacterium tuberculosis is best cultivated on :

  Chocolate agar

 

Blood agar

  TCBS agar

  Loeffler serum

  Lowenstein Jensen acid medium

18- 

Colors produced on reacting 2 chemical substances can

be measured by the use of :

  Spectrophotometers

  Flam photometers

  Avometers

19- 

Another term for adaptive immunity is :

  Anitigenic immunity

  Acquired immunity

  Lymphocyte reactive immunity

 

Phagocytosis

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20- 

Which of the following organism is catalase negative and

sensitive to optochin ?

 

S.pyogens

  S.aureus

  S.fecalis

  S.pnemoniae

  S.viridans

21- 

To differentiate between Heamophilia A and B we do a :

  Platelet count

 

Coagulation

  Factor assay

  Fibrinogen

  Thrombin time

22-  The best anticoagulant used for determination of

erythrocytes sedimentation rate is:

  Na citrate

  EDTA

  Heparin

  None of the above ( تأكة  ااب)  

23-  A Heamplyzed sample will cause falsely increased level

of each of the following EXCEPT :

  Sodium

 

Phosphate

  Potassium

  Magnesium

  Total protein ااب)   ةكأت )  

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24-  All of the following are classified as streptococci

EXCEPT :

  S. Agalactiae

  S. pyogenes

  S. mutants

  S. Aureus

25-  A heamocytometer cannot be used for the counting

which of the following :

  Red blood cells

  Sperm

 

Total white blood cells  Lymphocytes

  Platelets

26-  Artificial or biologic barriers can be eusd in an

agglutination reaction include :

  Latex particles

  Colloidal charcoal

 

Erythrocytes coated with antigen in a constant amount ( 

  All of the above

27-  A disease marked by inflammation of the live is :

  Aids

  Tuberculosis

  Hepatits

  Herpes

28-  The most commonly used methods for quantitative

analysis for electrolytes is :

  Thin layer chromatography ( TLC )

  Two Dimensional ( 2-D ) paper chromatography

  Ion selective electrodes (ISEs )

  electrophoresis

 

high performance liquied chromatography ( HPLC )

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29-  schistosoma haematobium infestation can be diagnosed

by :

  finding characteristic eggs in the urine with terminal spine

  finding characteristic oval eggs containing larva in the feces

  finding larva in the segments

  finding gravid segments in the feces

  testing serum for antibodies produced in response to infection

30-  when parasite eggs are few in number in feces , which

of the following rechniques are recommended ?

  Direct smear test

 

Examination of duodenal aspirate (ااب

 

 تأكة

 

)  

  Rectal biopsy

  Formal ether quantitative technique

  Abdominal ultrasonography

31-  Which of the following statements is true regarding the

ABO blood system?

  People who have the A antigen normally would not produce the

anti –A antibody

  People who are type AB normally produce both anti-A and anti-B

antibodies

  The only ABO type blood that normally dose not have rather A

or B antigens is AB

  All of the above

32-  The number of the light chains in each antibody is :

  1

  2 ""5ااب= heavy chins  و كن ف اسؤال

  3

  4

  5

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33-  The most critical distinction between Staph . aureus and

the other Staph. Species is :

  Phosphatase production

  DNA production

  Coagulase production

  Hemolysis

  Indole production

34-  When parasite eggs are few in number in feces . whoch

of the following techniques are recommended ?

  Direct smear test

 

Examination of duodenal aspirate  Rectal biopsy

  Formol ether quantitative technique

  Abdominal ultrasonography

35-  Which of the following parameters is NOT related to

the live ?

  Alanine aminotransferase

 

Aspartate aminotransferase

  Alkaline phoshphatase

  Bilirubin

  Creatinine

36-  In a diagnostic of acute leukemia :

  Sudan black stain is common positive with ALL

  Common ALL antigen ( CD10 ) is usually present

  T – cell receptor gene rearrangement is rarely found

  More than 20 % blasts are in B.M.

37-  Which of the following are NOT eukaryotic

microorganisms ?

  Bacteria

  Entameba histolytica

 

Giardia lamblia  Fingi

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  None of the above

38-  All of the following are types of the labeled

immunoassay EXCEPT :

  ELISA

  Radioimmunoassay

  Immunoprecipitation

  Immunofluorescence

39-  A carbon dioxide enriched atmosphere is required for

the culture of :

 

Bacillus anthracis  Heamophilus influnzae

  Brodetella pertussis

  Pseudomonas aeruginosa

  Yersinia pestis

40-  Forward grouping is defined as :

  Unknown red cells that are tested against known anti sera

 

Serum typing

  Unknown serum that is tested against known red cells

  B & C

41-  When cross-matcing blood types , what test is used to

determine when cell are coating :

  Direct coombs test

  Indirect coombs test

 

Positive heterophilie

42-  The majority of the causative organism of urinary tract

infection can be acquired from :

  Soil

  Air

  Normal flora of skin

 

Normal mouth flora  Normal bowel flora

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43-  The antibody which four domains in its heavy chains is :

  IgH

  IgD

  IgE

  IgM

44-  B cell maturation occurs in the :

  Thymus

  Bone marrow

  Lymph nodes

 

Spleen

45- 

Sensitive of a test relates to the ability of the test to :

  Measure the analyte of interest and not other substances

  Detect low concentration of an analyte

  Detect high concentration of an analyte

  Be closer to the actual value

46- 

Which of the following acids is essential in heredity ?  Amino

  Fatty

  Nucleic

  Organic

  Weak

47-  Which of the following blood types would be considered

a universal ecipient dose not contain any antibodies against

blood types?

  O+

  O-

  AB+

  AB-

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48-  Flourometry use (S) _________ as source of light .

  Deuterium lamp

  Mercury-arc lamps

  Halogen lamp

  Hallow high energy cathode lamp ( HCL )

  Tungsten lamp

49- 

What lab study is done initially in the evaluation of

bleeding disorders ?

  Activated partial thromboplastin time ( aPTT )

  ( PT )

 

vWD and XIII assay  fibrinogen

  CBC

50- 

Chinese letters appearance on gram staining is a

character of :

  Lactobacilli

  Mycobacterium liprae

 

Cornybacterium diphtheria

51- 

Which of the following requies an intrinsic factor to

bind and be absorbed ?

  Vitamin B12

  Iron

  Folic acid

  Vitamin K

52-  Neonatal physiological Jaundice is :

  Permanent

  Transient

  Incorrectable

  Progressive

  Unresponsive to therapy

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53-  Mother – fetus incompatibility problem result from :

  The mother's antibodies agglutinating the fetus RH-postive red

blood cell

  The fetus antibodies agglutinating its own red blood cell

  The fetus antibodies agglutinating its mother red blood cell

  None of the above

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