Usmle step 1 microbiology - Study guides, Class notes & Summaries

USMLE STEP 1 Microbiology-1048 Questions with Complete Solutions What is a special cellular component of fungal membrane targeted in anti-fungal medication? - CORRECT ANSWER Ergosterol A major sterol What is the special component of bacterial cell wall? - CORRECT ANSWER Peptidoglycan Where are the normal flora found? Contributions to health? Causes of infection? - CORRECT ANSWER Location: - found on body surfaces contiguous with outside environment (GI, etc.) - Semipermanent (depen...

USMLE STEP 1 MICROBIOLOGY EXAM QUESTIONS & ANSWERS |2024/2025|(VERIFIED ANSWERS

Bugs that don't G stain well? - These Rascals May Microscopically Lack Color - Treponema, Rickettsia, Mycobacteria, Mycoplasma, Legionella, Chlamydia. Bugs visualized by Giemsa stain? - Borrelia, Plasmodium, trypanosomes, Chlamydia. Bug visualized by PAS stain? - Tropheryma whippelii. Organisms identified by Siehl-Neelsen (carbol fuchsin) stain? - Acid-fast organisms (Mycobacterium > Nocardia). Bug visualized by India ink? - Cryptococcus. Bugs visualized by silver stain? - Pneumocysti...

Bugs that don't G stain well? - These Rascals May Microscopically Lack Color - Treponema, Rickettsia, Mycobacteria, Mycoplasma, Legionella, Chlamydia. Bugs visualized by Giemsa stain? - Borrelia, Plasmodium, trypanosomes, Chlamydia. Bug visualized by PAS stain? - Tropheryma whippelii. Organisms identified by Siehl-Neelsen (carbol fuchsin) stain? - Acid-fast organisms (Mycobacterium > Nocardia). Bug visualized by India ink? - Cryptococcus. Bugs visualized by silver stain? - Pneumocysti...

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 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...

What is a special cellular component of fungal membrane targeted in anti-fungal medication? - correct answer Ergosterol A major sterol What is the special component of bacterial cell wall? - correct answer Peptidoglycan Where are the normal flora found? Contributions to health? Causes of infection? - correct answer Location: - found on body surfaces contiguous with outside environment (GI, etc.) - Semipermanent (dependent on life-changes) Contributions to health: - Protective ...

What is a special cellular component of fungal membrane targeted in anti-fungal medication? - correct answerErgosterol A major sterol What is the special component of bacterial cell wall? - correct answerPeptidoglycan Where are the normal flora found? Contributions to health? Causes of infection? - correct answerLocation: - found on body surfaces contiguous with outside environment (GI, etc.) - Semipermanent (dependent on life-changes) Contributions to health: - Protective functi...