MCQs

11262 questions found

Practice Questions

A patient is prescribed an antibiotic that targets the bacterial cell wall. This mechanism of action is effective because human cells:

A. Also have cell walls that are affected.
B. Have a different type of cell wall.
C. Lack a cell wall. ✓
D. Have a cell membrane that is resistant to the antibiotic.
nmdcat.online BS Nursing
Jun 6, 2026

A microorganism that lacks a true nucleus and membrane-bound organelles is classified as a:

A. Eukaryote
B. Prokaryote ✓
C. Virus
D. Fungus
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

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 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 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 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 nurse is caring for a patient with a fungal skin infection. Fungi are eukaryotic organisms that obtain nutrients by:

A. Photosynthesis
B. Phagocytosis
C. Absorption ✓
D. Chemosynthesis
nmdcat.online BS Nursing
Jun 6, 2026

A patient develops a urinary tract infection after prolonged catheterization. This type of infection, acquired in a healthcare setting, is known as a:

A. Community-acquired infection
B. Opportunistic infection
C. Healthcare-associated infection (HAI) ✓
D. Localized infection
nmdcat.online BS Nursing
Jun 6, 2026

A sterile dressing change is being performed. Sterilization is the process of:

A. Reducing the number of microorganisms on living tissue.
B. Eliminating all microorganisms, including spores. ✓
C. Reducing the number of microorganisms on inanimate objects.
D. Inhibiting the growth of microorganisms.
nmdcat.online BS Nursing
Jun 6, 2026

A nurse is educating a patient about preventing the spread of the common cold, which is caused by a virus. Viruses are unique microorganisms because they:

A. Are single-celled organisms that can reproduce independently.
B. Possess both DNA and RNA simultaneously.
C. Require a living host cell for replication. ✓
D. Are easily treated with standard antibiotics.
nmdcat.online BS Nursing
Jun 6, 2026
nmdcat.online BS Nursing
Jun 6, 2026

A nurse is preparing to administer medication to a patient. To prevent healthcare-associated infections, the nurse must perform hand hygiene. The most effective method for routine hand hygiene in a clinical setting is:

A. Washing hands with plain soap and water for 5 seconds.
B. Using alcohol-based hand rub if hands are not visibly soiled. ✓
C. Rinsing hands under running water only.
D. Wiping hands with a dry cloth.
nmdcat.online BS Nursing
Jun 6, 2026
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