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Microbiology

120 questions found

Practice Questions

A nurse is teaching a patient about antibiotic resistance. The nurse explains that bacteria can develop resistance through various mechanisms, including:

A. Developing a thicker cell wall that prevents antibiotic entry.
B. Altering the antibiotic's target site.
C. Producing enzymes that inactivate the antibiotic.
D. All of the above.
nmdcat.online BS Nursing
Jun 6, 2026

A patient is diagnosed with Clostridium difficile infection (CDI). To prevent its spread, the nurse knows that alcohol-based hand rubs are ineffective against C. difficile spores. Therefore, the most appropriate hand hygiene method is:

A. Using an alcohol-based hand rub for extended time.
B. Washing hands thoroughly with soap and water.
C. Using antiseptic wipes only.
D. Wearing double gloves.
nmdcat.online BS Nursing
Jun 6, 2026

A nurse is preparing to clean a medical instrument. Disinfection is a process that:

A. Eliminates all forms of microbial life.
B. Reduces the number of pathogenic microorganisms on inanimate objects.
C. Renders an object free of all microorganisms.
D. Inactivates bacterial spores.
nmdcat.online BS Nursing
Jun 6, 2026

A patient has a localized skin infection with pus formation. This indicates the presence of bacteria that are typically:

A. Gram-negative rods
B. Acid-fast bacilli
C. Gram-positive cocci
D. Spirochetes
nmdcat.online BS Nursing
Jun 6, 2026

A patient with pneumonia is coughing and sneezing. This mode of transmission for microorganisms is considered:

A. Direct contact
B. Indirect contact
C. Droplet transmission
D. Airborne transmission
nmdcat.online BS Nursing
Jun 6, 2026
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