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Microbiology For COMLEX Level 1 Questions And Answers Latest Update!! $15.49
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Microbiology For COMLEX Level 1 Questions And Answers Latest Update!!

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  • Course
  • COMLEX
  • Institution
  • COMLEX

The COMLEX-USA (Comprehensive Osteopathic Medical Licensing Examination of the United States) is a series of standardized medical board exams designed for osteopathic medical students and physicians. Administered by the National Board of Osteopathic Medical Examiners (NBOME), it evaluates candidate...

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  • January 23, 2025
  • 24
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • COMLEX
  • COMLEX
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Schoolflix
Q&A


MICROBIOLOGY FOR COMLEX LEVEL 1
QUESTIONS AND ANSWERS LATEST UPDATE!!



Main virulence factor for Staph aureus - ✔✔Protein A



IVDU causes rapid onset bacterial endocarditis (what bacteria) - ✔✔Staph
aureus

-Tricuspid valve most commonly affected

-"Tricuspid valve endocarditis"



Most common cause of Toxic Shock Syndrome - ✔✔Staph aureus

-Hx of nasal packing or tampon in for too long



Treatment for Staph aureus (MSSA) - ✔✔Nafcillin

-"Naf for Staph"



Pnemonic for Cornybacterium diptheria - ✔✔"ABCDEFG"

-ADP-ribosylation, Beta-prophage, Corynebacterium, Diptheriae,
Elongation Factor 2, Granules

, Q&A

Virulence factor for Gram (-) rods - ✔✔LPS

-Lipopolysaccharide



Pt with history of dental trauma or dental caries that develops cardiac
problems - ✔✔1) Strep viridans

2) Strep mutans

3) Strep sanguineous



Two times for Periodic Acid-Schiff (PAS) - ✔✔1) Whipple's Disease

2) Alpha1-antitrypsin deficiency



Peptidoglycan (cell wall) synthesis is is inhibited by: - ✔✔-Beta lactams



Community Acquired MRSA - ✔✔-Pt will have recurrent cellulitis or boils

-Contact sports, prisoners/inmates, military recruits

-Tx: Trimethoprim-sulfamethoxazole



Most important virulence factor for Strep pyogenes - ✔✔M protein

-Prevents phagocytosis and complement activation

-Molecular mimicry



Rheumatic Fever - ✔✔-Strep pyogenes

-JONES criteria

, Q&A



Thick, golden colored crust - ✔✔Impetigo

-Strep pyogenes

-Tx: topical mupirocin



Erysipelas - ✔✔-Due to Strep pyogenes

-Redness/swelling of an extremity w/ bull and enlarged lymph nodes



Scarlet Fever - ✔✔-Strep pyogenes

-Pyrogenic exotoxin

-1) Strawberry tongue, 2) Sandpaper rash



Necrotizing fasciitis w/ Strep progenies infection - ✔✔-Exotoxin B

-Pain out of proportion to PE findings



Blood cultures in patients with toxic shock syndrome are: - ✔✔NEGATIVE
in *Staph* SSS



Hot tub folliculitis

-Pruritis, pustopapular rash - ✔✔Pseudomonas aeuroginosa

-Gram (-), oxidase (+)

-Produces green pigment (pyocyanin)

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