Usmle antibiotics - Study guides, Class notes & Summaries

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...

USMLE Step 1 Antimicrobials Quiz with complete solutions | Latest 2023/2024 What antibacterials block cell wall synthesis by inhibition of peptidoglycan cross-linking? -- Penicillin, Ampicillina, Ticarcillin, Piperacillin, Imipnem, Aztreoname, Cephalosporins What is to MOA of Bacitracin and Vancomycin? -- block peptidoglycan synthesis What is the MOA of polymixins (used in resistant pseudomonas? -- Disrupt bacterial cell membranes What is the MOA of sulfonamides and trimethoprim? -- block ...

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-...

Penicillin mechanism - Answer binds to penicillin binding proteins in peptidoglycan (blocks transpeptidase crosslinking); activates autolytic enzymes penicillin use - Answer gram positives and syphilis penicillin toxicity - Answer hypersensitivity reactions, hemolytic anemia penicillinase resistant penicillins - Answer methicillin, nafcillin, dicloxacillin penicillinase resistant penicillin use - Answer Staph aureus penicillin resistant penicillin toxicity - Answer hypersensitivit...

USMLE: Microbiology Exam Questions with Correct Verified Solutions 100% 2024/2025 Question 1: Bacterial Pathogenesis Question: A 32-year-old man presents with a fever, headache, and a rash that started on his wrists and ankles and has spread to his trunk. On examination, he has a history of recent camping in a wooded area. The patient's rash is described as petechial. What is the most likely causative organism? A) Rickettsia rickettsii B) Borrelia burgdorferi C) Chlamydia trachomatis ...

Penicillin mechanism - Answer-binds to penicillin binding proteins in peptidoglycan (blocks transpeptidase crosslinking); activates autolytic enzymes penicillin use - Answer-gram positives and syphilis penicillin toxicity - Answer-hypersensitivity reactions, hemolytic anemia penicillinase resistant penicillins - Answer-methicillin, nafcillin, dicloxacillin penicillinase resistant penicillin use - Answer-Staph aureus penicillin resistant penicillin toxicity - Answer-hypersensitivit...

USMLE Step 2 Rapid Review Part 5 Questions And Answers 2023 With Real Quiz Primary causes of 3rd trimester bleeding Placental abruption and placenta previa Classic altar sounding gross appearance of complete hydatidiform mole -Snowstorm on ultrasound -cluster grape appearance on gross exam Chromosomal pattern in complete mole 46 XX Molar pregnancies containing fetal tissue Partial mole Symptoms of placental abruption Continuous * painful* bleeding Symptoms of placenta previa *Se...

USMLE Final Exam Practice Questions and Answers Latest Updated 2023-2024. Best blood test for polyarteritis nodosa - ANSWER-There is none. Get abdominal angiography first, then biopsy of muscle, skin, or sural nerve. Churg-Strauss - ANSWER-vasculitis + eosinophilia + asthma Takayasu's arteritis - ANSWER-young asian female with diminished pulses (usually preceeded by fatigue, weight loss, arthralgia, anemia, elevated ESR) Best test for Takayasu's - ANSWER-aortic angiography or MRA Bite ce...

USMLE Questions and Answers Graded A+ Updated 2023-2024. Pseudogout associations - ANSWER-hemochromatosis, hyperparathyroidism, acromegaly, hypothyroidism Gout crystals - ANSWER-negatively birefringent needles Pseudogout crystals - ANSWER-positively birefringent needles Vasculitis associated with chronic Hep B - ANSWER-polyarteritis nodosa Vasculitis associated with chronic Hep C - ANSWER-cryoglobulinemia Best blood test for polyarteritis nodosa - ANSWER-There is none. Get abdominal angio...

USMLE Step 3 Study Guide Solutions Pseudogout associations - ANSWER-hemochromatosis, hyperparathyroidism, acromegaly, hypothyroidism Gout crystals - ANSWER-negatively birefringent needles Pseudogout crystals - ANSWER-positively birefringent needles Vasculitis associated with chronic Hep B - ANSWER-polyarteritis nodosa Vasculitis associated with chronic Hep C - ANSWER-cryoglobulinemia Best blood test for polyarteritis nodosa - ANSWER-There is none. Get abdominal angiography first, then bi...