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MICR 290 FINAL EXAM 2025 | QUESTIONS AND
CORRECT DETAILED ANSWERS | GRADED A+ |
VERIFIED ANSWERS | JUST RELEASED
What type of drugs (Static or Cidal) are Macrolides? - (ANSWER)Bacteriostatic
How do Macrolides function? - (ANSWER)Inhibit protein synthesis by binding to
bacterial ribosomes
What are some examples of Macrolides? - (ANSWER)Erythromycin
(Clarithromycin, Azithromycin, Fidaxomicin, and Telithromycin)
How do Quinolones function? - (ANSWER)Inhibit DNA/RNA synthesis
What is an example of a Quinolone drug? - (ANSWER)Ciprofloxacin
What antiviral can help treat herpes (oral and genital) but not cure it? -
(ANSWER)Acyclovir
What is an example of a yeast/fungi that exists in our normal flora? -
(ANSWER)Malassezia
___ occur when multiple furuncles grow together? - (ANSWER)Carbuncles
Beta-Lactamase is found in __% of S. aureus strains - (ANSWER)90
, 2
S. aureus is coagulase negative or positive? - (ANSWER)Positive
S. epidermidis is coagulase negative or positive? - (ANSWER)Negative
Is S. epidermidis positive or negative for Beta-Lactamase? - (ANSWER)Negative
Staphylococcal Scalded Skin Syndrome occurs primarily in ___ - (ANSWER)infants
What physical characteristic is used to diagnose for SSSS? - (ANSWER)Sloughing
of skin
S. aureus uses ___ ___ to cause SSSS - (ANSWER)Exfoliative toxins
When does Streptococcus pyogenes, a resident in our normal microbiota, cause
disease? - (ANSWER)When it enters through a break in the skin
How is Necrotizing Fasciitis treated? - (ANSWER)clindamycin and penicillin
What medication is used to treat acne? - (ANSWER)Accutane
What new form of treatment can be used to treat acne? - (ANSWER)Blue-light
wavelength
, 3
Where is Pseudomonas aeruginosa typically found? - (ANSWER)In soil, decaying
matter, moist environment
Pseudomonas infection can occur in ___ victims - (ANSWER)Burn
What physical characteristic can indicate a massive Pseudomonas infection? -
(ANSWER)Pyocyanin discoloration (greenish pigment)
Why is it difficult to treat Pseudomonas infection? - (ANSWER)Multidrug
resistance (P. aeruginosa)
P. aeruginosa is widespread but infections typically __ __ occur in healthy
individuals - (ANSWER)do not
How is Gas Gangrene treated? - (ANSWER)Surgical removal of dead tissue,
antitoxins and pcn
What was the first human disease that was eradicated globally? -
(ANSWER)Smallpox
When was vaccination for smallpox discontinued? - (ANSWER)1980s
What makes poxviruses scary? - (ANSWER)Possible bioterrorism use
MICR 290 FINAL EXAM 2025 | QUESTIONS AND
CORRECT DETAILED ANSWERS | GRADED A+ |
VERIFIED ANSWERS | JUST RELEASED
What type of drugs (Static or Cidal) are Macrolides? - (ANSWER)Bacteriostatic
How do Macrolides function? - (ANSWER)Inhibit protein synthesis by binding to
bacterial ribosomes
What are some examples of Macrolides? - (ANSWER)Erythromycin
(Clarithromycin, Azithromycin, Fidaxomicin, and Telithromycin)
How do Quinolones function? - (ANSWER)Inhibit DNA/RNA synthesis
What is an example of a Quinolone drug? - (ANSWER)Ciprofloxacin
What antiviral can help treat herpes (oral and genital) but not cure it? -
(ANSWER)Acyclovir
What is an example of a yeast/fungi that exists in our normal flora? -
(ANSWER)Malassezia
___ occur when multiple furuncles grow together? - (ANSWER)Carbuncles
Beta-Lactamase is found in __% of S. aureus strains - (ANSWER)90
, 2
S. aureus is coagulase negative or positive? - (ANSWER)Positive
S. epidermidis is coagulase negative or positive? - (ANSWER)Negative
Is S. epidermidis positive or negative for Beta-Lactamase? - (ANSWER)Negative
Staphylococcal Scalded Skin Syndrome occurs primarily in ___ - (ANSWER)infants
What physical characteristic is used to diagnose for SSSS? - (ANSWER)Sloughing
of skin
S. aureus uses ___ ___ to cause SSSS - (ANSWER)Exfoliative toxins
When does Streptococcus pyogenes, a resident in our normal microbiota, cause
disease? - (ANSWER)When it enters through a break in the skin
How is Necrotizing Fasciitis treated? - (ANSWER)clindamycin and penicillin
What medication is used to treat acne? - (ANSWER)Accutane
What new form of treatment can be used to treat acne? - (ANSWER)Blue-light
wavelength
, 3
Where is Pseudomonas aeruginosa typically found? - (ANSWER)In soil, decaying
matter, moist environment
Pseudomonas infection can occur in ___ victims - (ANSWER)Burn
What physical characteristic can indicate a massive Pseudomonas infection? -
(ANSWER)Pyocyanin discoloration (greenish pigment)
Why is it difficult to treat Pseudomonas infection? - (ANSWER)Multidrug
resistance (P. aeruginosa)
P. aeruginosa is widespread but infections typically __ __ occur in healthy
individuals - (ANSWER)do not
How is Gas Gangrene treated? - (ANSWER)Surgical removal of dead tissue,
antitoxins and pcn
What was the first human disease that was eradicated globally? -
(ANSWER)Smallpox
When was vaccination for smallpox discontinued? - (ANSWER)1980s
What makes poxviruses scary? - (ANSWER)Possible bioterrorism use
