Microbiology usmle step 1 - Study guides, Class notes & Summaries

USMLE STEP 1 MICROBIOLOGY Questions and Answers with Complete Solutions 2024 Gram-positive organisms - ANS____ have a thick peptidoglycan layer and teichoic acid in their cell walls Gram-negative organisms - ANS____ have a thin peptidoglycan layer and a complex outer membrane containing lipopolysaccharide (LPS). Lipoteichoic acid - ANS____ is a teichoic acid attached to a lipid abundant on Gram-positive bacteria cell wall. Peptostreptococci - ANSClassification: -- Anaerobic gram-positi...

USMLE Step 1 First Aid – Microbiology with complete solution Cell Wall Overall Picture - Compare *Gram (+) to Gram (-)* - answer *Flagellum* on bacteria is composed of what? What is the function? - answerComposition: Proteins Function: motility *Pilus/Fimbria* on bacteria is composed of what? What is the function? - answerComposition: Glycoprotein Function: Mediate adherence of bacteria to cell surface, sex plus during conjugation. *Spore* formation is ONLY possible is what type of b...

USMLE STEP 1 Microbiology NEW UPDATE 2023 WITH QUESTIONS AND CORRECT ANSWERS |GRADED A What is a special cellular component of fungal membrane targeted in anti-fungal medication? - ANSWER- Ergosterol A major sterol What is the special component of bacterial cell wall? - ANSWER- Peptidoglycan Where are the normal flora found? Contributions to health? Causes of infection? - ANSWER- Location: - found on body surfaces contiguous with outside environment (GI, etc.) - Semipermanent (de...

USMLE STEP 1 MICROBIOLOGY Questions and Answers with Complete Solutions 2024 What is a special cellular component of fungal membrane targeted in anti-fungal medication? - ANSErgosterol A major sterol What is the special component of bacterial cell wall? - ANSPeptidoglycan Where are the normal flora found? Contributions to health? Causes of infection? - ANSLocation: - found on body surfaces contiguous with outside environment (GI, etc.) - Semipermanent (dependent on life-changes) Contr...

USMLE STEP 1 Microbiology NEW UPDATE 2023 WITH QUESTIONS AND CORRECT ANSWERS |GRADED A What is a special cellular component of fungal membrane targeted in anti-fungal medication? - ANSWER- Ergosterol A major sterol What is the special component of bacterial cell wall? - ANSWER- Peptidoglycan Where are the normal flora found? Contributions to health? Causes of infection? - ANSWER- Location: - found on body surfaces contiguous with outside environment (GI, etc.) - Semipermanent (de...

USMLE STEP 1 Microbiology NEW UPDATE 2023 WITH QUESTIONS AND CORRECT ANSWERS |GRADED A What is a special cellular component of fungal membrane targeted in anti-fungal medication? - ANSWER- Ergosterol A major sterol What is the special component of bacterial cell wall? - ANSWER- Peptidoglycan Where are the normal flora found? Contributions to health? Causes of infection? - ANSWER- Location: - found on body surfaces contiguous with outside environment (GI, etc.) - Semipermanent (de...

USMLE STEP 1 MICROBIOLOGY QUESTIONS AND ANSWERS WITH SOLUTIONS 2024

USMLE STEP 1 Microbiology NEW UPDATE 2023 WITH QUESTIONS AND CORRECT ANSWERS |GRADED A What is a special cellular component of fungal membrane targeted in anti-fungal medication? - ANSWER- Ergosterol A major sterol What is the special component of bacterial cell wall? - ANSWER- Peptidoglycan Where are the normal flora found? Contributions to health? Causes of infection? - ANSWER- Location: - found on body surfaces contiguous with outside environment (GI, etc.) - Semipermanent (dep...

USMLE Step 1 Mnemonics-Microbiology (Bacteria) 100% SOLVED Gram Stain Limitations - ANSThese Rascals May Microscopically Lack Color Treponema (too thin) Rickettsia (intracellular) Mycobacteria (high lipid content in cell wall) Mycoplasma (no cell wall) Legionella pneumo (intracellular) Chlamydia (intracellular, no muramic acid in cell wall) Giemsa Stain - ANSCertain Bugs Really Try my Patience Chlamydia, Borrelia, Rickettsiae, Trypanosomes, Plasmodium PAS (periodic acid shiff) Stain -...

USMLE Step 1: Microbiology EXAM QUESTIONS AND ANSWERS LATEST |AGRADE organisms known for causing endocarditis - ANSWER- S. aureus, Staph epididermis, viridans strep, VRE, Strep. bovis, HACEK organisms four drug regimen used to treat TB - ANSWER- isoniazid, ethambutol, rifampin, pyrazinamide used to treat Trichomonas or Gardnerella - ANSWER- metronidazole used to treat Plasmodium vivax or ovale - ANSWER- chloroquine + primaquine used to treat Pediculosis capitis or pubus - ANSWER- pe...