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[h] Microbiology & Antimicrobials Flashcards

[i] Master this session in just 5 minutes.

[q] ……….. is non-lactose fermenter, Oxidase-positive Gram-negative rods, Aerobic, Motile, Produces pyocyanin and pyoverdine pigment (blue green), and Emits a grape-like, fruity odor.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFBzZXVkb21vbmFzIGFlcnVnaW5vc2Eu[Qq]

[q] Although they are structurally different, both diphtheria toxin and exotoxin A ribosylate and inactivate …………., halting human cell protein synthesis and causing cell death.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IGVsb25nYXRpb24gZmFjdG9yLTIgKEVGLTIpLg==[Qq]

[q] …………. of Pseudomonas aeruginosa contribute to chronic pneumonia in cystic fibrosis patients due to biofilm formation.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IE11Y29pZCBwb2x5c2FjY2hhcmlkZSBDYXBzdWxlLg==[Qq]

[q] What is the most likely diagnosis?

18 years old patient presenting with superficial and self-limited infection of the hair follicles following exposure to swimming pool where the chemicals have not been maintained at appropriate levels + The culture of a pustule will reveal Gram-negative, oxidase positive, non-lactose fermenting, motile rods that produce pigment (pyocyanin, pyoverdine)?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IEhvdCB0dWIgZm9sbGljdWxpdGlzLg==[Qq]

[q] The most common microorganism isolated from adult cystic fibrosis patient with Recurrent and chronic pneumonias is ………..?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFBzZXVkb21vbmFzIGFlcnVnaW5vc2Eu[Qq]

[q] What is the most likely diagnosis?

40 years old patient who was diagnosed with leukemia presenting with focal areas of vascular destruction and cutaneous necrosis + blood culture shows Gram-negative, oxidase positive, non-lactose fermenting, motile rods that produce pigment (pyocyanin, pyoverdine)?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IEVjdGh5bWEgZ2FuZ3Jlbm9zdW0u[Qq]

[q] What is the most likely diagnosis?

40 years old diabetic patient presenting with exquisite ear pain and drainage, granulation tissue seen within the ear canal during otoscope examination + culture shows Gram-negative, oxidase positive, non-lactose fermenting, motile rods that produce pigment (pyocyanin, pyoverdine)??

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IE1hbGlnbmFudCBvdGl0aXMgZXh0ZXJuYSAoc3dpbW1lcuKAmXMgZWFyKS4=[Qq]

[q] ………… is non-lactose fermenter, nonmotile, and Non H2S producer Gram-negative rods.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFNoaWdlbGxhLg==[Qq]

[q] ………. is an essential pathogenic mechanism for Shigella infection and is the most significant factor in causing disease.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IE11Y29zYWwgaW52YXNpb24u

VGhlIHByb2R1Y3Rpb24gb2YgdG94aW5zIGlzIGNvbnNpZGVyZWQgbGVzcyBpbXBvcnRhbnQgaW4gdGhlIHBhdGhvZ2VuZXNpcyBvZiBzaGlnZWxsb3NpcyB0aGFuIGlzIGNlbGx1bGFyIGludmFzaW9uIGJlY2F1c2Ugbm9udG94aWdlbmljIHN0cmFpbnMgaGF2ZSBiZWVuIGZvdW5kIHRvIGNhdXNlIHNpZ25pZmljYW50IGRpc2Vhc2Uu[Qq]

[q] ………… work by inactivating the 60S ribosome of the host, thereby halting protein synthesis and causing cell death.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFNoaWdhIGFuZCBzaGlnYSBsaWtlIHRveGluIG9mIEVIRUMu[Qq]

[q] Salmonella is sensitive to gastric acidity, but …… is resistant and as few as 100 cells can cause disease.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFNoaWdlbGxhLg==[Qq]

[q] What is the most likely diagnosis?

27 years old patient presenting with abdominal pain, cramps, diarrhea with blood, blood and pus in stool, fever, vomiting, and tenesmus + stool culture shows non-lactose fermenter, nonmotile, and Non H2S producer Gram-negative rods?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFNoaWdlbGxvc2lzLg==[Qq]

[q] What is the most likely diagnosis?

46 years old patient presenting with rapidly rising fever, and groin lymph node enlargement + lymph node sample shows Gram-negative rods/ coccobacillus that exhibits bipolar staining (resembling a safety pin) on Giemsa or Wright stain?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IEJ1Ym9uaWMgcGxhZ3VlIGR1ZSB0byBpbmZlY3Rpb24gd2l0aCBZZXJzaW5pYSBwZXN0aXMu

RmxlYSBiaXRlcyBpbmZlY3RlZCByb2RlbnRzIChyYXRzKSBhbmQgdGhlbiBsYXRlciB1bmluZmVjdGVkIGh1bWFuIChab29ub3Npcyku[Qq]

[q] ………… is non-lactose fermenter, motile, H2S producer Gram-negative rods and Sensitive to acid → Large infectious dose is required for successful infection

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFNhbG1vbmVsbGEu[Qq]

[q] Typhoid strains of Salmonella contain a ……….. that inhibits neutrophil phagocytosis, neutrophil recruitment, and macrophage-mediated destruction. Therefore, typhoid strains are able to undergo extensive replication within the intracellular space of macrophages with subsequent spread through the lymphatic and reticuloendothelial system, leading to a widespread systemic disease (typhoid fever).

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IGNhcHN1bGFyIGFudGlnZW4gKFZpKS4=[Qq]

[q] What is the most likely diagnosis?

27 years old patient presenting with abdominal pain, cramps, diarrhea with blood, and blood and pus in stool + stool culture shows non-lactose fermenter, motile, and H2S producer Gram-negative rods?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFNhbG1vbmVsbGEgRm9vZCBwb2lzb25pbmcu

SXQgaXMgd29ybGR3aWRlIGluZmVjdGlvbiBjYXVzZWQgYnkgbm9udHlwaG9pZGFsIHNhbG1vbmVsbGEgc3RyYWlucywgY29tbW9ubHkgUy4gRW50ZXJpdGlkaXMgYW5kIFMuIHR5cGhpbXVyaXVtLg==[Qq]

[q] What is the most likely diagnosis?

26 years old patient presenting with abdominal cramping with fever and diarrhea, salmon-colored “rose spots” rash, and hepatosplenomegaly + Blood cultures shows non-lactose fermenter, motile, and H2S producer Gram-negative rods?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFR5cGhvaWQgZmV2ZXIgKGVudGVyaWMgZmV2ZXIpLg==

VHlwaG9pZCBmZXZlciAoYWxzbyByZWZlcnJlZCB0byBhcyAmIzgyMjA7ZW50ZXJpYyBmZXZlciYjODIyMTspIGlzIGEgbGlmZS10aHJlYXRlbmluZyBpbGxuZXNzIGNhdXNlZCBieSB0aGUgYmFjdGVyaXVtIFNhbG1vbmVsbGEgdHlwaGkgb3IgU2FsbW9uZWxsYSBwYXJhdHlwaGkuIE90aGVyIHNwZWNpZXMgb2YgU2FsbW9uZWxsYSBhcmUgbm90IGFzc29jaWF0ZWQgd2l0aCB0eXBob2lkIGZldmVyLg==[Qq]

[q]………. is the most common cause of osteomyelitis in patients with sickle cell anemia.

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFNhbG1vbmVsbGEu[Qq]

[q] What is the most likely diagnosis?

17 years old patient presenting with urgency, frequency, dysuria + urine culture shows Non-lactose-fermenting, Urease positive, and H2S producer gram negative rod?

[c]IFNob3cgbWUgdG hlIGFuc3dlcg==[Qq]

[f]IFVUSSBkdWUgdG8gUHJvdGV1cyBtaXJhYmlsaXMgaW5mZWN0aW9uLg==[Qq]

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