أسئلة الهيئة السعودية للتخصصات الصحية | الاحياء الدقيقة (الميكروبيولوجي) (5)

الأخصائيين

الأحياء الدقيقة  (الميكروبيولوجي) (5)

1.     AIDS is transmitted through :

a.     food

b.     blood

c.      semen

d.     b & c

2.     bacteria which cause syphilis:

a.     Neisseria gonorrhea

b.     Viencent angina

c.      Treponema palladium

d.     Yersinia pestis

3.     to diagnose syphilis:

a.     RPR

b.     VDRL

c.      Wasserman

d.     all of the above

4.     streptococci secret:

a.     streptolysin O

b.     streptolysin S

c.      streptokinase

d.     all of the above

5.     disease caused by streptococci:

a.     scarlet fever

b.     purperal sepsis

c.      rheumatic fever

d.     all of the above

6.     staphylococci secrets:

a.     coagulase enzyme

b.     fibrinolysin

c.      hyaluronidase

d.     all of the above

7.     gram positive bacilli:

a.     Klebsilla

b.     Salmonella

c.      Proteus

d.     C-diphtheria

8.     meningeococcal meningitis is transmitted by :

a.     food

b.     droplet

c.      touch

d.     all of the above

9.     dark field microscopy is used to diagnose :

a.     T.B.

b.     syphilis

c.      gonorrhea

d.     AIDS

10.                 it cause food poisining with flacid paralysis:

a.     clostridium tetani

b.     clostridium welchii

c.      clostridium botulinium

d.     all of the above

11.                 the infective stage of plasmodium vivax :

a.     a-merozoites

b.     b- sporozoites

c.      c- schizont

d.     d- trophozoite

12.                 Pirenella conica snail is the intermediate host of:

a.     schistosoma haematobium

b.     fasciola hiptica

c.      heterphyes heterophyes

d.     diphyllobothrium latum

13.                 Bulinus truncates snail is the intermediate host of :

a.     fasciola hepatica

b.     fasciola gigantica

c.      schistosoma haematobium

d.     schistosoma mansonii

14.                 to isolate meningiococci we have to culture the sample on:

a.     Bordet Gengou

b.     modified Thayer martin media

c.      Lowenstein Jensen media

d.     all of the above

15.                 to isolate fungi :

a.     Brain-Heart infusion media

b.     tissue culture

c.      Lowenstein –Jensen media

d.     chocolate agar

16.                 to isolate H- influenza:

a.     blood agar

b.     chocolate agar

c.      mac Conkey media

d.     all of the above

17.                 the bacteria which cause pseudomembrainous conjunctivitis :

a.     N.gonorrhea

b.     C. diphtheria

c.      staphylococcus

d.     Chlamydia

18.                 the best sample to diagnose meningitis :

a.     blood

b.     sputum

c.      CSF

d.     urine

19.                 used to stain Chlamydia

a.     gram stain

b.     giemsa stain

c.      wright stain

d.     all of the above

20.                 ……….. is used as transport medium for sample in which cholera is suspected

a.     Cary-Blair media

b.     Stuart media

c.      Alkaline peptone water

d.     glycerol

21.                 the color of XLD medium:

a.     green

b.     red

c.      yellow

d.     blue

22.                 CIN medium is used to isolate:

a.     E.coli

b.     Vibrio cholera

c.      yersinia

d.     salmonella

23.                 to make wet mount preparation:

a.     10 % KOH

b.     10 % Na OH

c.        10 % Na CO3

d.     10% Na Cl

24.                 we do wet mount preparation for vaginal smear To diagnose:

a.     T.vaginalis

b.     N.gonorrhea

c.      streptococci

d.     staphylococci

25.                 to isolate viruses:

a.     Loeffler media

b.     tissue culture

c.      Bordet –Gengou media

d.     Brain- Heart infusion

26.                 to diagnose whooping cough :

a.     Bordet –Gengou media

b.     Lowenstein –Jensen media

c.      modified Thayer martin media

d.     New York city agar

27.                 to diagnose systemic infection we do :

a.     urine culture

b.     CSF culture

c.      blood culture

d.     sputum culture

28.                 we give no growth for blood culture after:

a.     1 week

b.     8 weeks

c.      6 weeks

d.     3 weeks

29.                 to dissolve mucous in sputum sample :

a.     10% NaOH

b.     30 % NaOH

c.      10 % KOH

d.     10% NaCl

30.                 mutualism means:

a.     one partener benefits , other unaffected

b.     both partner benefit

c.      one partner benefit , other damaged

d.     living together

31.                 Commensalisms means:

a.     living together

b.     one partner benefit , other damaged

c.      both partner benefit

d.     one partner benefits , other unaffected

32.                 Balantidium coli moves by:

a.     flagella

b.     cilia

c.      pseudopod

d.     all of the above

33.                 Mouth inhabitant:

a.     Trichomonas hominis

b.     Trichomonas tenax

c.      Trichomonas vaginalis

d.     giardia lamblia

34.                 Transmitted by sexual intercourse:

a.     toxoplasma

b.     giardia lamblia

c.      Trichomonas vaginalis

d.     all of the above

35.                 citrate utilization test is done to assist identification of:

a.     gram +ve bacteria

b.     gram –ve bacteria

c.      entrobacteria

d.     enterococcus

36.                 the Kovac's reagent used in the following biochemical tests:

a.     catalase

b.     coagulase

c.      indole

d.     methyl red

37.                 positive results for H2S production appear as …. Colour:

a.     black

b.     yellow

c.      red

d.     green

38.                 ………. Give positive coagulase test:

a.     streptococci

b.     staphylococcus aureus

c.      staphylococcus saprophyticus

d.     Escherichia coli

39.                 methyl red test is performed with:

a.     Erlich reagent

b.     Kovac's reagent

c.      Voges proskaur

d.     non of the above

40.                 ………… give positive result with urease test:

a.     salmonella

b.     shigella

c.      Y. enterocolitica

d.     all of the above

41. …………. test is used to differentiate between bacteroides & brucella:

a.     indole

b.     methyl red

c.      H2S production

d.     nitrate reduction

42.                 DNAase test is positive with:

a.     streptococcus pneumonia

b.     E.coli

c.      staphylococcus aureus

d.     staphylococcus epidermis

43. ………… solution used in the gram stain technique acts as a mordant:

a.     crystal violet

b.     safranine

c.      iodine

d.     alcohol

44.                 the counter stain in Ziehl- Neelson stain is :

a.     malachite green

b.     methylene blue

c.      iodine

d.     (a) & (b)

45.                 bile solubility test is positive with :

a.     streptococcus viridans

b.     streptococcus pneumonia

c.      streptococcus agalectiae

d.     streptococcus pyrogenes

46.                 litmus milk decolorization test assist the identification of :

a.     entrobacteria

b.     bacteroides

c.      brucella

d.       enterococci

47.                 Food poisoning is caused by

a.     Clostridum tetani

b.     Clostridum Welchi

c.      Diptheria

d.     Clostridium botulinum

48.                  Koplic’s spots will develop in

a.     HIV

b.     Measles

c.      Mumps

d.     Rubella

49.                 Viral DNA is resistant to DNA of the host cell because it contains

a.     5’-HMC

b.     5’-HMA

c.      5’-CHM

d.     5’MHC

50.                 Which of the following is an example of live vaccine?

a.     pertusis

b.     mumps

c.      cholera

d.     rabies

51.                 Triple toxoid vaccine gives protection against

a.     Diphtheria, tetanus and rabies

b.     Tetanus, whooping cough, Tuberculosis

c.      Whooping cough, tetanus and Diphtheria

d.     Whooping cough, cancer and T.B.

52. Higher dose of chloramphenicol affects the eukaryotic cells because

a.     They have 30 S ribosomes

b.     They have mitochondria

c.      They have 70 S ribosomes

d.     None of the above

53.                 AIDS is caused by

a.     Retrovirus

b.     Prion

c.      Rhabdovirus

d.     Retroprison

54.                 Penicillin is a

a.     Primary metabolite

b.     Secondary metabolite

c.      Tertiary metabolite

d.     None of the above

55.     The rejection of an organ transplant such as a kidney transplant is an example of _____ Hypersensitivity.

a.     Immediate

b.     Delayed

c.      Allergy

d.     None of these

يُتبع  Continued