أسئلة الهيئة السعودية للتخصصات الصحية | الاحياء الدقيقة (الميكروبيولوجي) (4)

                              الأخصائيين

                 الأحياء الدقيقة  (الميكروبيولوجي) (4)

1.     Viral infection is caused due to

a.     Acute self limited illness

b.     No apparent symptoms

c.      Chronic infection with persistent viral shedding

d.     All of these

2.     Viruses which do not carry enzymes for DNA synthesis as a part of their virion are

a.     Hepatitis B virus

b.     Poxyviruses

c.      Heepes simplex virus

d.     Retroviruses

e.      All of these

3.     Following virus is known to establish latent infections:

a.     Adeno virus

b.     Varicella-zoster virus

c.      Cytomegalovirus

d.     Hepes simplex virus

e.      All of these

4.     Viruses which have teratogenic property are

a.     Herpes simplex virus

b.     Cytomegalovirus

c.      Rubella virus

d.     All of these

5.     Kawasaki syndrome is

a.     Most prevalent in Japan and Hawaii

b.     Patients show rickettsia like bacteria in skin biopsies

c.      Strain involved may be propionibacterium

d.     All of these

6.     Mode of action of quinolone antibiotics on growing bacteria was thought to be

a.     Inhibition of â lactamase

b.     Prevention of the cross linking of glycine

c.      Inhibition of DNA gyrase

d.     Inhibition of reverse transcriptase

7.     The role that human play in the plague life cycle is

a.     Secondary reservoir

b.     Primary transmission vector

c.      Primary host

d.     Accidental intruder in rat flea cycle

e.      None of these

8.      Patient with presence of penile chancre should be advised by physician –

a.     To take rest at home

b.     To swab the chancre and culture on Thayer- Martin agar

c.      To Gram stain the chancre fluid

d.     To repeat VDRL test in 10 hours

e.      Perform dark field microscopy for treponemes

9.     Which organism is responsible for causing fever to a man dealing with goats?

a.     Trepanema Pallidum

b.     M.tuberculosis

c.      Clostridium novyl

d.     Brucella melitensis

e.      None of these

10.                 Diphtheria toxins are produced from the strains of C.diphtheriae, which are

a.     Encapsulated

b.     Sucrose fermentors

c.      Of the mitis and strain

d.     Glucose fermentors

e.      Lysogenic for β prophase

11. Skin of the healthy person has normal microbial flora which includes

a.     Enterobacteriaceae

b.     Aerobic diphtheria bacilli

c.      Anaerobic diphtheriae bacilli

d.     Nonhemolytic staphylococci

e.      All of these

12.                 Which of the following organisms can infect humans if improperly cooked meat is used?

a.     Trichinella spiralis

b.     Taenia saginata

c.      Taenia solium

d.     Diphyllobothrium latum

e.      Both a and c

13.                 The parasite related to ancylostoma duodenale is

a.     Wuchereria bancrofti

b.     Necatur americanes

c.      Loa loa

d.     Trichinella spiralis

14.                 Which of the following amoeba does not live in large intestine ?

a.     Entamoeba coli

b.     Entamoeda histolytica

c.      Endolimax nana

d.     Entamoeba gingivalis

15.                 210. Which of the following is not related to congenital syphilis?

a.     Aneurysm

b.     Saddle nose

c.      Still birth

d.     Hutchiso’s teeth

16.                 Streptococcus pyogens produce infection –

a.     Streptococcal sore throat

b.     Acute glomerulo nephritis

c.      Rheumatic fever

d.     None of these

17.                 Salmonella which can cause prolong septicaemia.

a.     Salmonella anetum

b.     Salmonella cholerasuis

c.      Salmonella typhimurium

d.     Salmonella entritidis

18.                 E.coli produces which type of toxins?

a.     Exotoxins

b.     Endotoxins

c.      Leucocidin

d.     Both a and b

19.                 Main causative organism of gas gangrene is

a.     B.anthrax

b.     Clostridium tetani

c.      Cl.deficile

d.     Cl.perfringens

20.                 Causative organism of whooping cough is

a.     Bordetella pertussis

b.     Bordetella parapertussis

c.      Bordetella bronchi septica

d.     None of these

21.                 Pfeiffer phenomenon is related to

a.     Vibrio cholera

b.     B.anthrax

c.      Rickettsial pox

d.     All of these

22.                 Diagnostic test for the identification of primary syphilis:

a.     VDRL test

b.     Treponema pallidum immobilization test

c.      Kahn’s test

d.     Dark ground microscopic examination

23.                 Sporadic summer diarrhea may be caused by

a.     E.coli

b.     Enterobacter

c.      Hafnia

d.     Serratia

24.                 Biological false reaction in VDRL is related to

a.     Lepra bacilli

b.     Corynebacterium diphtheria

c.      Cl.welchi

d.     None of these

25.     Lowenstein-Jensen media is used for the isolation for:

a.     neisseria gonorrhea

b.     mycobacterium tuberculosis

c.      haemophilus influenza

d.     staphylococcus aureus

26.     Hekton-Enteric agar is the selective media for:

a.     salmonella

b.     streptococcus

c.      staphylococcus

d.     all of the above

27.     the selective media for isolation of fungi is:

a.     S-S agar

b.     XLD agar

c.      sabouraud glucose agar

d.     Hekton-Enteric agar

28.     gram positive rods with Chinese letter appearance:

a.     mycobacterium tuberculosis

b.     corynebacteria diphtheria

c.      clostridium tetani

d.     staphylococcus pneumonia

29.     E lek test is done to diagnose :

a.     streptococcus

b.     staphylococcus aureus

c.      clostridium tetani

d.     corynebacteria diphtheria

30.     all are lactose fermenter except:

a.     E-COLI

b.     proteus

c.      klebsiella

d.     enterobacter

31.     produce pale colonies on MacConkey’s agar and have tendency to swarm on blood agar:

a.     salmonella

b.     shigella

c.      klebsiella

d.     proteus

32.       lactose frementer gram negative bacilli with mucoid growth:

a.     salmonella

b.     shigella

c.      klebsiella

d.     proteus

33.     non lactose fermenter gram negative bacilli produce H2S :

a.     salmonella

b.     shigella

c.      klebsiella

d.     proteus

34.                 Widal test is done for diagnosis of :

a.     salmonella

b.     shigella

c.      E-coli

d.     klebsiella

35.                 the causative agent of enteric fever:

a.     salmonella

b.     shigella

c.      klebsiella

d.     proteus

36.                 the most common cause of urinary tract infection :

a.     E-coli

b.     salmonella

c.      shigella

d.     streptococcus

37.                 an important cause of diarrhea in infant:

a.     staphylococcus

b.     E-coli

c.      salmonella

d.     shigella

38.                 the most common causative agent for peptic ulcer :

a.     campylobacter

b.     H-pylori

c.      V-cholera

d.     all of the above

39.                 TCBS is the selective media for isolation of:

a.     H-pylori

b.     V-cholera

c.      E-coli

d.     H influenza

40.                 gram negative bacilli strict aerobes grows on simple media producing a characteristic greenish pigment:

a.     campylobacter

b.     pseudomonas

c.      pasterulla

d.     bordetella

41.                 the bacteria which cause scarlet fever:

a.     staphylococcus

b.     streptococcus

c.      salmonella

d.     shigella

42.                 antistreptolysin O titer (ASO) is done for the diagnosis of:

a.     group A streptococcus

b.     group B streptococcus

c.      staphylococcus aureus

d.     staphylococcus albus

43.                 Loffler’s serum is used for isolation of:

a.     anthrax

b.     clostridium

c.      diphtheria

d.     T.B

44.                 gas gangrene is caused by:

a.     clostridium tetani

b.     clostridium botulinum

c.      clostridium welchii

d.     non of the above (( clostridium perfinges ))

45.                 Bacillary dysentery is caused by:

a.     salmonella

b.     shigella

c.      cholera

d.     all of the above

46.                 the cause of plague:

a.     Y-enterocolitica

b.     Y-pestis

c.      Y pseudotuberculsois

d.     non of the above

47.       treponema palladium is the cause of :

a.     T.B

b.     gonorrhea

c.      syphilis

d.     AIDS

48.  the venereal disease research laboratory test (VDRL) is done for diagnosis of:

a.     T.B

b.     gonorrhea

c.      syphilis

d.     AIDS

49.                 Trachoma is caused by:

a.     mycoplasma

b.     chlamydiae

c.      c-richettsia

d.     d- mycobacteria

50.                 M-tuberculsis bacilli stain with :

a.     gram stain

b.     Zheil Nelson stain

c.      Gimesa stain

d.     all of the above

يُتبع  Continued