Hamidullah Flashcards
Which of the following microorganism cause Lymphogranuloma venereum?
A) Haemophilus ducreyi
B) Chlamydia trachomatis
C) Neisseria gonore
D) Treponema pallidum
E) Bartonella henselae
B) Chlamydia trachomatis
Which of the following virulence factor of fungus defining an aggregate of microorganisms to adhere each other on a surface?
A) Dimorphism
B) The motolerability
C) Biofilm
D) Capsule
E) Enzyme production
C) Biofilm
Which of the following form is the cause of relapse in plasmodial infections?
A) trophozoite
B) gametocyte
C) schizont
D) tachysporozoite
E) bradysporozoite
E) bradysporozoite
Which of the following is the infective form of the malarial parasites?
A) Ookinete
B) Gametocyte
C) Sporozoite
D) Oocyst
E) Schizont
C) Sporozoite
Which of the following antifungal binds to microtubules and inhibits mitosis of a certain fungi?
A) Amphotericin B
B) Azoles
C) Griseofulvin
D) Allylamines
E) Echinocandins
C) Griseofulvin
52.Which of the following dimorphic fungi infections frequently acquired while visiting bat caves without airway protection?
A) Sporothrix schenckii
B) Coccidioides immitis
C) Blastomyces dermatitidis
D) Paracoccidioides brasiliensis
E) Histoplasma capsulatum
E) Histoplasma capsulatum
Which of the following blood paranite causes most severe form of malaria?
A) Plasmodium falciparum
B) Plasmodium vivar
C) Plasmodium ovale
D) Plasmodium malarian
E) Plasmodium knowlesi
A) Plasmodium falciparum
Bacteria become resistant to which antimicrobial agent by the metabolic bypass?
A) Aminoglycoside
B) Macrolide
C)Trimethoprim
D) Tetracycline
E) Chloramphenicol
C)Trimethoprim
Which of the following antibacterial agent damage to the plasma membrane, leads to leakage of the cell contents and ultimately death of the cell?
A) Sulfonamides
B) Carbapenems
C) Macrolides
D) Polymyxins
E) Vancomycin
D) Polymyxins
Bacteria become resistant to which antmacrobial agent by replacing the last D-alanine with D-lactate in pentapeptide chain?
A) Trimethoprim
B) Vancomycin
C) Tetracycline
D) penicillin
E) Aminoglycoside
B) Vancomycin
Which of the following antibacterial agent inhibit the nucleic acid synthesis?
A) Chloramphenicol
B) Penicillin
C)Fluoroquinelones
D)Tetracyclines
E) Chindamycin
C)Fluoroquinelones
Which of the following method can be use to determine the antimicrobial susceptibility by a plastic strip that contain antibiotic gradient?
A) Agar Dilution
B) Disc Diffusion
C) Micro Dilution
D) E-test (Strip gradient test)
E) Broth Dilution
D) E-test (Strip gradient test)
Which of the following method can be used to determine the Minimum Inhibitory Concentration(MIC) of antibiotics on test tubes that include different antibiotic concentration?
A) Agar dilution
B) Broth dilution
C) Micro dilution
D) E-test (Strip gradient test)
E) Disc diffusion
B) Broth dilution
Which of the following antifungal binds to fungal membrane sterols and alters permeability?
A) Griseofulvin
B) Echinocandins
C) Amphotericin B
D) Allylamines
E) Azoles
C) Amphotericin B
Which of the following antibacterial agent inhibit protein synthesis by binding to 50S subunit?
A)Vancomycince
B) Macrolides
C) Fluoroquinolones
D) Aminoglycosides
E) Carbapenems
B) Macrolides
Which of the following is false for Coxialla burnetii?
A) Survive for months due to endospore formation.
B) Transmitted by arthropods
C) Cause zoonotic disease
D) Causative agent of Q fever
E) Does NOT cause skin rash
B) Transmitted by arthropods
Which of the following antimicrobial resistance mechanism is composed by efflux pump that expels the antibiotic before it reaches its target?
A) Enzymatic inhibition
B) Decreased uptake
C) Increased export
D) Altered target
E) Metabolic bypass
C) Increased export
Which of the following antibacterial agent inhibit synthesis of essential metabolites?
A) Macrolides
B) Aminoglycosides
C)Tetracyclines
D) Trimethoprim
E) Clindamycin
D) Trimethoprim
Which of the following method drug-impregnated absorbent paper use to determine antimicrobial susceptibility testing?
A) Agar Dilution
B) Broth Dilution
C) Micro Dilution
D) E-test
E) Disc Diffusion
E) Disc Diffusion
Which of the following fungus produce a large capsul that protect microorganisms from the host attacks?
A) Penicillium marneffei
B) Paracoccidioides brasiliensis
C) Aspergillus niger
D) Sporothrix schenckii
E) Cryptococcus neoformans
E) Cryptococcus neoformans
Which of the following releases from ruptured erythrocyte and produces bouts of shivering fever (paroxysms) and sweating in Malarial infections?
A) ring form
B) gametocyte
C) merozoite
D) sporozoite
E) bradysporozoite
C) merozoite
Which of the following mechanism bacterial resistance genes are carried from one bacteria to another by bacteriophages?
A) Pilus
B) Transposon
C) Conjugation
D) Transformation
E) Transduction
E) Transduction
Which of the following method a solid medium use to determine the Minimum Inhibitory Concentration of an antibiotic?
A) Agar Dilution
B) E-test
C) Micro Dilution
D) Broth Dilution
E) Disc Diffusion
A) Agar Dilution
Which of the following Plasmodium species cause Quartian malaria?
A) Plasmodium falciparum
B) Plasmodium vivax
C) Plasmodium ovale
D) Plasmodium malariae
E) Plasmodium knowlesi
D) Plasmodium malariae
Which of the following define asexual life cycle of plasmodium?
A) schizont
B) sporogony
C) sporozoite
D) schizogony
E) tachysporozoite
D) schizogony
Which of the following dimorphic fungi find block like arthroconidia in free-living stage?
A) Paracoccidioides brasiliensis
B) Sporothrix schenckii
C) Blastomyces dermatitidis
D) Histoplasma capsulatum
E) Coccidioides immitis
E) Coccidioides immitis
Which of the following Chlamydia species also
known as TWAR agent?
A) C.trachomatis A, B, Ba, C
B) C trachomatis L1, L2, L3
C) C.trachomatis (D-K)
D) C.psittaci
E) C.pneumoniae
E) C.pneumoniae
Which of the following dimorphic fungi cause rose-gardener’s disease?
A) Parococcidioides brasiliensis
B) Penicillium marnefii
C) Histoplasma capsulatum
D) Sporothrix schenckii
E) Blastomyces dermatitidis
D) Sporothrix schenckii
Which of the following fungus produce a large capsul that protect microorganisms from the host attacks?
A) Penicillium marneffei
B) Paracoccidioides brasiliensis
C) Aspergillus niger
D) Sporothrix schenckii
E) Cryptococcus neoformans
E) Cryptococcus neoformans
The malaria parasite life cycle involves two hosts. Which of the following is the asexual life cycle of plasmodium?
a) Trophozoites
b) Merozoites
c) Schizogony
d) Sporogony
e) Sporozoites
c) Schizogony
In which of the following method a plate with wells use for to determine the Minimum Inhibitory Concentrations (MIC) of antibiotics?
a) Broth Dilution
b) Disc Diffusion
c) Micro Dilution
d) Strip gradient test
e) Agar Dilution
c) Micro Dilution