Clinical Microbiology, Virology, Parasitology & Infectious Disease Exam 4:
Staphylococcus aureus, S. epidermidis, Streptococcus pyogenes, Coagulase &
Catalase Testing, M Protein, Leukocidins, Hyaluronidase, Streptokinase, TSST-1,
Neonatal Conjunctivitis, Ophthalmia neonatorum, Trachoma, Otitis Externa &
Media Pathogens, Candida albicans, Dermatophytes, Urogenital Microbiota,
Chlamydia trachomatis, Neisseria gonorrhoeae, Syphilis & Treponema pallidum,
Lyme Disease & Borrelia burgdorferi, Relapsing Fever & Borrelia hermsii, Yersinia
pestis, Bubonic Plague, Clostridium spp., Gas Gangrene, Vibrio cholerae,
Campylobacter jejuni, Salmonella typhi, Shiga Toxin & HUS, Malaria &
Plasmodium falciparum, Leptospirosis, Enterotoxins, MALT & M Cells, Gut
Microbiota, Coliforms & E. coli, Antibiotic Resistance Mechanisms, Beta-Lactams
& ESBLs, MIC & MBC, Disk Diffusion & E-Test, Viral Structure & Tropism, HIV
Reverse Transcriptase & Integrase, Prions, Hepadnavirus, Norovirus, Varicella-
Zoster Virus, Rubella, MMR, and Vaccine-Preventable Infections Exam Questions
Verified and Provided with Complete A+ Graded Rationales Latest Updated 2026
Staphylococcus aureus is most often associated with being
Select one:
a. coagulase-positive
b. coagulase-negative
,c. catalase-negative
d. gram-negative
coagulase-positive
M protein is produced by
Select one:
a. Pseudomonas aeruginosa
b. Staphylococcus aureus
c. Propionibacterium acnes
d. Streptococcus pyogenes
Streptococcus pyogenes
___________ is a major cause of preventable blindness that can be reduced through improved
sanitation among patients suffering from an STD.
,Select one:
a. Ophthalmia neonatorum
b. Keratitis
c. Trachoma
d. Cutaneous anthrax
Trachoma
Which species is frequently associated with nosocomial infections transmitted via medical
devices inserted into the body?
Select one:
a. Staphylococcus epidermidis
b. Streptococcus pyogenes
c. Proproniobacterium acnes
d. Bacillus anthracis
Staphylococcus epidermidis
Which of the following is most likely to cause an Acanthamoeba infection?
, Select one:
a. living environments in a college dormitory with communal showers
b. being bitten by deerflies in Central Africa
c. swimming in a lake while wearing contact lenses
d. participating in a contact sport such as wrestling
swimming in a lake while wearing contact lenses
Leukocidins are a virulence factor which
Select one:
a. are associated with pus production
b. are able to reduce phagocytic action in the host
c. kills WBCs
d. all of the above
all of the above
Which is the most common cause of opportunistic yeast or fungal infections?
Select one:
Staphylococcus aureus, S. epidermidis, Streptococcus pyogenes, Coagulase &
Catalase Testing, M Protein, Leukocidins, Hyaluronidase, Streptokinase, TSST-1,
Neonatal Conjunctivitis, Ophthalmia neonatorum, Trachoma, Otitis Externa &
Media Pathogens, Candida albicans, Dermatophytes, Urogenital Microbiota,
Chlamydia trachomatis, Neisseria gonorrhoeae, Syphilis & Treponema pallidum,
Lyme Disease & Borrelia burgdorferi, Relapsing Fever & Borrelia hermsii, Yersinia
pestis, Bubonic Plague, Clostridium spp., Gas Gangrene, Vibrio cholerae,
Campylobacter jejuni, Salmonella typhi, Shiga Toxin & HUS, Malaria &
Plasmodium falciparum, Leptospirosis, Enterotoxins, MALT & M Cells, Gut
Microbiota, Coliforms & E. coli, Antibiotic Resistance Mechanisms, Beta-Lactams
& ESBLs, MIC & MBC, Disk Diffusion & E-Test, Viral Structure & Tropism, HIV
Reverse Transcriptase & Integrase, Prions, Hepadnavirus, Norovirus, Varicella-
Zoster Virus, Rubella, MMR, and Vaccine-Preventable Infections Exam Questions
Verified and Provided with Complete A+ Graded Rationales Latest Updated 2026
Staphylococcus aureus is most often associated with being
Select one:
a. coagulase-positive
b. coagulase-negative
,c. catalase-negative
d. gram-negative
coagulase-positive
M protein is produced by
Select one:
a. Pseudomonas aeruginosa
b. Staphylococcus aureus
c. Propionibacterium acnes
d. Streptococcus pyogenes
Streptococcus pyogenes
___________ is a major cause of preventable blindness that can be reduced through improved
sanitation among patients suffering from an STD.
,Select one:
a. Ophthalmia neonatorum
b. Keratitis
c. Trachoma
d. Cutaneous anthrax
Trachoma
Which species is frequently associated with nosocomial infections transmitted via medical
devices inserted into the body?
Select one:
a. Staphylococcus epidermidis
b. Streptococcus pyogenes
c. Proproniobacterium acnes
d. Bacillus anthracis
Staphylococcus epidermidis
Which of the following is most likely to cause an Acanthamoeba infection?
, Select one:
a. living environments in a college dormitory with communal showers
b. being bitten by deerflies in Central Africa
c. swimming in a lake while wearing contact lenses
d. participating in a contact sport such as wrestling
swimming in a lake while wearing contact lenses
Leukocidins are a virulence factor which
Select one:
a. are associated with pus production
b. are able to reduce phagocytic action in the host
c. kills WBCs
d. all of the above
all of the above
Which is the most common cause of opportunistic yeast or fungal infections?
Select one:
