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[h] Microbiology & Antimicrobials Flashcards

[i] Master this session in just 5 minutes.

[q] ………… is Gram-positive nonspore-forming rods on blood agar, Beta hemolytic on blood agar, demonstrates tumbling motility at 22 C, and able to multiply at 4°C.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IExpc3RlcmlhIG1vbm9jeXRvZ2VuZXMu[Qq]

[q] Listeria monocytogenes can grow intracellularly. It evades killing when lysosomal contents are dumped into phagosome by Forming rocket tails via ……… that allow intracellular movement and cell-to-cell spread across cell membranes, thereby avoiding antibody

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IGFjdGluIHBvbHltZXJpemF0aW9uLg==[Qq]

[q] Infection with listeria in Healthy adults and children with intact cell mediated immunity are generally asymptomatic or presents with ……, but in pregnant, neonates or immunocompromised cause Septicemia and meningitis.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IG1pbGQgZ2FzdHJvZW50ZXJpdGlzLA==[Qq]

[q] Listeria is not sensitive to …… and Ampicillin is the treatment of choice.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IGNlcGhhbG9zcG9yaW5zLg==[Qq]

[q] ……… is gram-positive non-spore forming rods, Aerobic, produce gray-to-black colonies of club-shaped gram-positive rods arranged in V or L shapes on cysteine-tellurite agar.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IENvcnluZWJhY3Rlcml1bSBkaXBodGhlcmlhZS4=

[q] Diphtheria toxin inhibits host cell protein synthesis by ………?

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[f]IGNhdGFseXppbmcgdGhlIEFEUC1yaWJvc3lsYXRpb24gb2YgcHJvdGVpbiBlbG9uZ2F0aW9uIGZhY3RvciAyIChFRi0yKS4=[Qq]

[q] What is the most likely diagnosis?

23 years old immigrant patient presenting with suffocation and symptoms of respiratory obstruction + during examination there is grey white membrane in the pharynx firmly adherent to the underling mucosa + throat swab shows – Gray-to-black colonies of club-shaped gram-positive rods arranged in V or L shapes on cysteine-tellurite agar?

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[f]IHBzZXVkb21lbWJyYW5vdXMgcGhhcnluZ2l0aXMu[Qq]

[q] Diphtheria toxin is absorbed and disseminated through the blood to the susceptible tissues, mainly ……. and ……..?

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[f]IGhlYXJ0IG11c2NsZSBhbmQgcGVyaXBoZXJhbCBuZXJ2ZXMpLsKgQ2xpbmljYWwgbWFuaWZlc3RhdGlvbnMgaW5jbHVkZSBteW9jYXJkaXRpcywgYXJyaHl0aG1pYSwgaGVhcnQgZmFpbHVyZSwgbmV1cm9wYXRoeSwgcGFyYWx5c2lzLCBhbmQgY29tYS4=[Qq]

[q] Non-pathogenic Corynebacterium can cause severe pseudomembranous pharyngitis after acquiring the Tox gene via …………?

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[f]IGx5c29nZW5pemF0aW9uIGJ5IGEgdGVtcGVyYXRlIGJhY3RlcmlvcGhhZ2Uu[Qq]

[q] Rapid administration of Diphtheria antitoxin is essential.  Diphtheria antitoxin work by ………..?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IGluYWN0aXZhdGluZyBhbGwgY2lyY3VsYXRpbmcgdG94aW4sIGJ1dCBpcyBpbmVmZmVjdGl2ZSBhZ2FpbnN0IHRveGluIHRoYXQgaGFzIGFscmVhZHkgZ2FpbmVkIGFjY2VzcyB0byBjYXJkaWFjIG9yIG5ldXJhbCBjZWxscy4=

[q] ……… is gram positive anaerobic Branching rods, Non-acid fast. Yellow aggregations of organisms bound together by proteins look like sulfur granules. Sulfur granules grossly appear yellow; however, hematoxylin and eosin staining gives them basophilic appearance under light microscope.

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[f]IEFjdGlub215Y2VzIGlzcmFlbGlpLg==[Qq]

[q] What is the most likely diagnosis?

18 years old patient with bad oral hygiene presenting with slowly growing mass that began in the setting of oral trauma that has recently been draining yellow pus through the skin?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IENlcnZpY29mYWNpYWwgYWN0aW5vbXljb3Npcy4=[Qq]

[q] Treatment of Cervicofacial actinomycosis consists of a prolonged course of parenteral …….. and surgical debridement?

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[f]IHBlbmljaWxsaW4u[Qq]

[q] ……… is gram positive obligate aerobic Branching rods. Partially acid fast.

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[f]IE5vY2FyZGlhLg==[Qq]

[q] What is the most likely diagnosis?

34 years old patient who take immunosuppressive drugs for renal transplant presenting with symptoms and x-ray finding that mimic tuberculosis + Gram staining of bronchoalveolar lavage sample shows branching filament microorganism?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IDEuIENhdml0YXJ5IGJyb25jaG9wdWxtb25hcnkgbm9jYXJkaW9zaXMu[Qq]

[q] Treatment of nocardiosis is ……………?

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[f]IHN1bGZvbmFtaWRlcyAoaGlnaCBkb3NlKSBvciB0cmltZXRob3ByaW0vc3VsZmFtZXRob3hhem9sZSAoVE1QLVNNWCku[Qq]

[q] Acid-fastness of mycobacteria and nocardia is due to ……….. of the cell wall.

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[f]IHRoZSBoaWdoIGxpcGlkIChteWNvbGljIGFjaWQpIGNvbnRlbnQu[Qq]

[q] Mycobacteria are facultative intracellular pathogens except ………. is obligate intracellular pathogen.

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[q] ………… is Obligate aerobe, Acid fast in carbol-fuchsin (Ziehl-Neelsen stain).

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[f]IE15Y29iYWN0ZXJpdW0gdHViZXJjdWxvc2lzLg==[Qq]

[q] The growth of thick, rope like cords of mycobacterial organisms in a twisted, “serpentine” pattern is consistent with the presence of cord factor. – The presence of cord factor correlates with ………?

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[f]IHZpcnVsZW5jZS4=[Qq]

[q] Sulfatides (sulfolipids in cell envelope of mycobacteria tuberculosis) inhibit …….., allowing intracellular survival.

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[f]IHBoYWdvc29tZS1seXNvc29tZSBmdXNpb24u[Qq]

[q] What is the most likely diagnosis?

60 years old patient presenting with malaise, fatigue, night sweat and fever along with persistent cough and bloody sputum, x-ray findings shows cavitary lesion, calcified nodules in the apex of the lung + sputum sample is positive for acid fast bacilli?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFB1bG1vbmFyeSB0dWJlcmN1bG9zaXMu[Qq]

[q] ……… is obligate intracellular bacteria, Acid fast rods, can be isolated from the nine-banded armadillo for for biochemical and immunological research.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IE15Y29iYWN0ZXJpdW0gbGVwcmFlLg==[Qq]

[q] The severity of leprosy depends on the strength of the cell-mediated immune response, with …….. is the milder form and ……….. is the more severe form.

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[f]IHR1YmVyY3Vsb2lkIGxlcHJvc3ksIGxlcHJvbWF0b3VzIGxlcHJvc3ku

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