أسئلة الهيئة السعودية للتخصصات الصحية | الاحياء الدقيقة (الميكروبيولوجي) (6)

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الأحياء الدقيقة  (الميكروبيولوجي) (6)

1.     1Listeriosis was ______ disease.

a.     Food borne

b.     Water borne

c.      Milk borne

d.     Air borne

2.     Pus-forming forms are called as

a.     Pyoderm

b.     Pyogenic

c.      Pyrogen

d.     None of the above

3.     In Elisa technique, the antibodies are labeled by

a.     Acridine orange

b.     Alkaline phosphate

c.      Neutral red

d.     Bromothymol blue

4.     _____ is a genetic disease charachterized by a total or partial inability to synthesize globulins.

a.     Apitososis

b.     Agamma globulinemia

c.      Gammaglobulinemma

d.     Sickle-cell anemia.

5.     A study involving analysis of risk for genetic defects in a family is

a.     Genetic Engineering

b.     Genetic counseling

c.      Genetic drift

d.     Genetic equilibrium

6.     Viral antigens are likely

a.     Proteins

b.     Glyco proteins

c.      Lipo proteins

d.     Both a and b

7.     The suitable assay method for antibiotics is

a.     Enzymatic assay

b.     Turbidometric assay

c.      End point determination assay

d.     Metabolic assay

8.     ELISA test is used for the identification of

a.     Janudice

b.     AIDS

c.      Cancer

d.     Diabetis

9.     Incubation period for infective Hepatitis disease

a.     45 – 80 days

b.     15 – 35 days

c.      35 – 50 days

d.     5 – 15 days

10. All of the following are bacteriostatic chemotherapeutic agents except

a.     Bacitracin

b.     Chloramphenicol

c.      Novobiocin

d.     Tetracycline

11.                 Kinetosomes are observed in

a.     Algae

b.     Fungi

c.      Protozoa

d.     Viruses

12.                 β-lactum ring is present in

a.     Erythromycin

b.     Penicillin

c.      Tetracyclins

d.     Chromphenical

13.                 Antibiotic produced from streptomyces orientalis is

a.     Streptomycin

b.     Penicillin

c.      Vancomycin

d.     Both a and b

14.                 The drug of choice for dermal, oral and vaginal candidiasis is

a.     Griseofulvin

b.     Amphoterein B

c.      Gentian violet

d.     Nystatin

15.                 Botulism means

a.     Food adultration

b.     Food poisioning by streptococcus bacteria

c.      Chemical contamination of food

d.     Food processing

16.                 Chloramphenicol is obtained from

a.     Streptomyces griseus

b.     Streptomyces venezuelae

c.      Streptomyces pyrogenes

d.     None of these

17.                 Streptomycin is obtained from

a.     Streptococcus species

b.     Streptomyces griseus

c.      Straphylococcus aureus

d.     None of these

18.                 The treatment required for small bodies of water is

a.     Disinfection

b.     Filtration

c.      Purification

d.     All of these

19.                 Surface ropiness is caused by

a.     Alkaligenes viscolactis

b.     Streptococcus

c.      both a and b

d.     None of these

20.                 Septicaemia is

a.     Bacteria in blood

b.     Toxin in blood

c.      Pus in blood

d.     Multiplication of bacteria and toxins in blood

21.                 In AIDS, Kaposis sarcoma may respond to

a.     Interleukin – 2 infusion

b.     Azathioprine

c.      Alpha interferon

d.     None of these

22.                 Ciprofloxacin acts by inhibiting

a.     Cellwall synthesis

b.     RNA synthesis

c.      Folate synthesis

d.     DNA gyrase

23.                 Lyme disease is caused by

a.     Bacteria  

b.     Fungi

c.      Spirochaete

d.     Virus

24.                 Toxic shock syndrome is caused by

a.     Staph. albus

b.     Staph. aureus

c.      Strep. viridana

d.     None of these

25.                 Black water fever is caused by

a.     P. vivax

b.     P. falciparum

c.      P. ovale

d.     None of these

26.                 Mantoux test detects

a.     M. tuberculosis

b.     Cynaobacteria

c.      Clostridia

d.     Both a and b

27.                 The antibiotic acting on cell wall is

a.     Bactracin

b.     Penicillin

c.      Cyclosporine

d.     All of these

28.                 Aflatoxin is produced by

a.     Aspergillus sps

b.     Penicillium sps

c.      Alternaria sps

d.     None of these

29.                 Penicillin is discovered by

a.     Fleming

b.     Pasteur

c.      Koch

d.     None of these

30.                 Antibiotics used in combination may demonstrate

a.     Synergism

b.     Antaginism

c.      both a and b

d.     None of these

31.                 The drug of choice in anaphylactic shock is

a.     Histamine

b.     Corticosteroid

c.      Epinephrine

d.     None of these

32.                 Drugs of choice for treatment of Mycoplasma infections:

a.     Tetracyclines

b.     Erythromycin

c.      a and b

d.     Penicillins

33.                 A number of viruses are known to infect mycoplasmas, called

a.     Bacteriophages

b.     Mycoplasma phages

c.      Virions

d.     Tiny strains

34.                 The following are true about Rickettsiae.

a.     Unicellular organisms

b.     Prokaryotic intracellular parasites

c.      Presence of 70 S ribosomes

d.     It causes hemolysis in human beings

e.      Gram negative plemorphic rods

35.                 The causative agent of scrub typhus:

a.     R.Quintana

b.     R.rickettsii

c.      R.orinetalis

d.     R.prowazekii

36.                 Lymphogranuloma venerum (LGV) is a sexually transmitted disease is caused by

a.     Copthalmia

b.     C.trachomatis

c.      C.pneumonias

d.     C.psittasi

37.                 Intradermal test employed for diagnosis of LGV is

a.     Frei test

b.     Mantoux test

c.      Schick test

d.     Dick test

38.                 Which algae is pathogenic to human?

a.     Cephaloeuros

b.     Ulothrix

c.      Macrocystis

d.     Prototheca

39.                 Erythromycin is obtained from

a.     S.griseus

b.     S.rimosus

c.      S.scabies

d.     S.erythraeus

40.                 Common cold is caused by

a.     Adeno virus

b.     Corono virus

c.      Hepatitis virus

d.     Pox virus

41.                 The causative agent of conjunctivitis:

a.     Adeno virus

b.     Corono virus

c.      Paramyxo virus

d.     None of these

42.                 Antibiotics used for treatment of cholera are

a.     Tetracyclines

b.     Penicillins

c.      Streptomycines

d.     None of these

43.                 Salmonella typhi is causative organism of

a.     Undulent fever

b.     Remittent fever

c.      Dengue fever

d.     Enteric fever

44. Which of the following Salmonella paratyphi is the commonest in India?

a.     A

b.     B

c.      C

d.     None of these

45. In enteric fever, the organ lodging maximum number of the organism is

a.     Liver

b.     Gall bladder

c.      Small intestine

d.     Large intestine

46.                 True about Enteric fever is

a.     Bacteraemia in first week

b.     Carrier in 90%

c.      All serotypes cause the disease

d.     Rosy spots on 18th day

47.                 Gastroenteritis is caused by

a.     Shigella

b.     V.cholerae

c.      V.cholera Parahaenolyticus

d.     S.typhi

48.                 E.coli produces the following toxins:

a.     Enterotoxins

b.     Endotoxins

c.      Verocytotoxins

d.     Hemolysins

49.                 The following infections caused by Esch. Coli, except

a.     Urinary tract infections

b.     Septic infections of wounds

c.      Diarrhoea

d.     Dysentery

e.      Meningitis

50.                 Diphtheria is caused by

a.     Corynebacterium diphtheriae

b.     C. Bovis

c.      C. Jeikeium

d.     C. equi

51.                 Causative organism of diphtheria was first demonstrated by

a.     Robert Koch

b.     Lois Pasteur

c.      Klebs and Loeffler

d.     Volhard and Fahr

52.                 Coryne bacterium is

a.     Gram positive

b.     Resistant to Penicillin

c.      Gram negative

d.     Resistant to Chloramphenicol

53.                 C. diphtheriae consists of

a.     Startch granules

b.     Polymeta phosphate granules

c.      Lipid granules

d.     None of these

54.                 The incubation period of diphtheriae is

a.     Upto 2 weeks

b.     Upto 1 week

c.      2–4 weeks

d.     None of these

55.                 Diphtheria virulence test is

a.     Ascoli’s thermoprecipitation test

b.     Eleck’s gel precipitation test

c.      C.R.P test

d.     M.R.T. test

56.                 Diptheria toxoid is prepared by using

a.     Aldehyde

b.     Formalin

c.      Phenols

d.     None of these

57.                 Diphtheria is an example of

a.     Bacteraemia

b.     Pyaemia

c.      Septicemia

d.     Toxaemia

58.                 Main symptom of tuberculosis is

a.     Tubercle formation

b.     Liquid formation

c.      Both a and b

d.     None of these

59.                 BCG vaccine is for the prevention of

a.     Brucellosis

b.     Diphtheria

c.      Botulism

d.     Tuberculosis

60.     Dose of BCG vaccine is

a.     0.2–0.5 ml

b.     0.1 ml

c.      0.05 ml

d.     0.2 to 0.3 ml

يُتبع  Continued