MICROBIOLOGY /USMLE STEP 1| Updated most Frequent
Tested Exam 2026 WITH Recent Newest Verified And Well
Analyzed Exam Questions (Actual Exam 2026-2027) Correct
Detailed & Verified ANSWERS (100% Accurate Solutions)
ALREADY GRADED A+||NEWEST VERSION Of The Exam
Guarantee Pass!!
organisms known for causing endocarditis -ANSWERS-S. aureus, Staph epididermis,
viridans strep, VRE, Strep. bovis, HACEK organisms
steeple sign on X-ray -ANSWERS-croup, parainfluenza virus
thumb sign on x-ray -ANSWERS-epiglottitis, Haemophilus influenza
treatment of chronic hepatitis B and C -ANSWERS-IFN-alpha, ribavirin
most abundant bacteria in the colon of most individuals -ANSWERS-Bacteroides fragilis
likely organisms in a patient with chronic granulomatous disease -ANSWERS-S.
aureus, E. coli, K. pneumoniae, Aspergillus, Candida (all are catalase +)
organisms that cause infections in the mouth of AIDS patients -ANSWERS-HSV, C.
albicans, EBV, CMV
three structural genes that code for HIV proteins -ANSWERS-gag (p24)
pol (reverse transcriptase, integrase)
env (gp120, gp41)
dark purple nodules on the skin in an HIV patient -ANSWERS-HHV-8, Kaposi sarcoma
,large cells with owl's eye inclusions -ANSWERS-CMV
treatment for CMV -ANSWERS-ganciclovir
most common opportunistic infection in HIV patients -ANSWERS-Pneumocystis jirovecii
drug used to prevent Pneumocystis pneumonia -ANSWERS-TMP-SMX
four drug regimen used to treat TB -ANSWERS-isoniazid, ethambutol, rifampin,
pyrazinamide
used to treat Trichomonas or Gardnerella -ANSWERS-metronidazole
used to treat Plasmodium vivax or ovale -ANSWERS-chloroquine + primaquine
used to treat Pediculosis capitis or pubus -ANSWERS-permethrin, pyrethrin
organisms most commonly responsible for otitis media -ANSWERS-Strep pneumoniae
Haemophilus influenzae
Moraxella catarrhalis
organism most commonly responsible for otitis externa -ANSWERS-Pseudomonas
aeruginosa
fungus that causes San Joaquin Valley fever -ANSWERS-Coccidioides
fungus found in rural Latin America -ANSWERS-Paracoccidioides
fungus associated with plant thorns and cutaneous injury -ANSWERS-Sporothrix
, fungus found in states east of the Mississippi River -ANSWERS-Blastomycosis
fungus found in bird and bat droppings -ANSWERS-Histoplasmosis
mold form contains barrel-shaped arthroconidia -ANSWERS-Coccidioides
encapsulated bacteria (8) -ANSWERS-E. coli, Strep pneumoniae, N. meningitidis,
Klebsiella pneumoniae, Haemophilus influenae, Pseudomonas aeruginosa, Salmonella,
group B Strep
causes hemolytic-uremic syndrome -ANSWERS-EHEC: 0157:H7
medications used to treat C. diff colitis -ANSWERS-metronidazole and oral vancomycin
food poisoning as a result of mayonnaise sitting out too long -ANSWERS-S. aureus
diarrhea caused by Gram (-) nonmotile organism that does not ferment lactose -
ANSWERS-Shigella
Rice-water stools -ANSWERS-Vibrio cholera
Diarrhea caused by an S-shaped organism -ANSWERS-Campylobacter jejuni
Diarrhea transmitted from pet feces -ANSWERS-Yersinia enterocolitica
Food poisoning resulting from reheated rice -ANSWERS-Bacillus cereus
Diarrhea caused by Gram (-) motile organism that doesn't ferment lactorse -ANSWERS-
Salmonella
Tested Exam 2026 WITH Recent Newest Verified And Well
Analyzed Exam Questions (Actual Exam 2026-2027) Correct
Detailed & Verified ANSWERS (100% Accurate Solutions)
ALREADY GRADED A+||NEWEST VERSION Of The Exam
Guarantee Pass!!
organisms known for causing endocarditis -ANSWERS-S. aureus, Staph epididermis,
viridans strep, VRE, Strep. bovis, HACEK organisms
steeple sign on X-ray -ANSWERS-croup, parainfluenza virus
thumb sign on x-ray -ANSWERS-epiglottitis, Haemophilus influenza
treatment of chronic hepatitis B and C -ANSWERS-IFN-alpha, ribavirin
most abundant bacteria in the colon of most individuals -ANSWERS-Bacteroides fragilis
likely organisms in a patient with chronic granulomatous disease -ANSWERS-S.
aureus, E. coli, K. pneumoniae, Aspergillus, Candida (all are catalase +)
organisms that cause infections in the mouth of AIDS patients -ANSWERS-HSV, C.
albicans, EBV, CMV
three structural genes that code for HIV proteins -ANSWERS-gag (p24)
pol (reverse transcriptase, integrase)
env (gp120, gp41)
dark purple nodules on the skin in an HIV patient -ANSWERS-HHV-8, Kaposi sarcoma
,large cells with owl's eye inclusions -ANSWERS-CMV
treatment for CMV -ANSWERS-ganciclovir
most common opportunistic infection in HIV patients -ANSWERS-Pneumocystis jirovecii
drug used to prevent Pneumocystis pneumonia -ANSWERS-TMP-SMX
four drug regimen used to treat TB -ANSWERS-isoniazid, ethambutol, rifampin,
pyrazinamide
used to treat Trichomonas or Gardnerella -ANSWERS-metronidazole
used to treat Plasmodium vivax or ovale -ANSWERS-chloroquine + primaquine
used to treat Pediculosis capitis or pubus -ANSWERS-permethrin, pyrethrin
organisms most commonly responsible for otitis media -ANSWERS-Strep pneumoniae
Haemophilus influenzae
Moraxella catarrhalis
organism most commonly responsible for otitis externa -ANSWERS-Pseudomonas
aeruginosa
fungus that causes San Joaquin Valley fever -ANSWERS-Coccidioides
fungus found in rural Latin America -ANSWERS-Paracoccidioides
fungus associated with plant thorns and cutaneous injury -ANSWERS-Sporothrix
, fungus found in states east of the Mississippi River -ANSWERS-Blastomycosis
fungus found in bird and bat droppings -ANSWERS-Histoplasmosis
mold form contains barrel-shaped arthroconidia -ANSWERS-Coccidioides
encapsulated bacteria (8) -ANSWERS-E. coli, Strep pneumoniae, N. meningitidis,
Klebsiella pneumoniae, Haemophilus influenae, Pseudomonas aeruginosa, Salmonella,
group B Strep
causes hemolytic-uremic syndrome -ANSWERS-EHEC: 0157:H7
medications used to treat C. diff colitis -ANSWERS-metronidazole and oral vancomycin
food poisoning as a result of mayonnaise sitting out too long -ANSWERS-S. aureus
diarrhea caused by Gram (-) nonmotile organism that does not ferment lactose -
ANSWERS-Shigella
Rice-water stools -ANSWERS-Vibrio cholera
Diarrhea caused by an S-shaped organism -ANSWERS-Campylobacter jejuni
Diarrhea transmitted from pet feces -ANSWERS-Yersinia enterocolitica
Food poisoning resulting from reheated rice -ANSWERS-Bacillus cereus
Diarrhea caused by Gram (-) motile organism that doesn't ferment lactorse -ANSWERS-
Salmonella
