MCQs

11212 questions found

Practice Questions

A patient is diagnosed with a helminthic infection. Helminths are:

A. Single-celled protozoa.
B. Microscopic fungi.
C. Multicellular parasitic worms.
D. Non-living infectious agents.
nmdcat.online BS Nursing
Jun 6, 2026

The process by which bacteria become resistant to antibiotics due to overuse or misuse is a major public health concern. This is primarily driven by:

A. Patient non-compliance with antibiotic regimen.
B. Natural selection and genetic mutation.
C. The antibiotic killing all bacteria.
D. Antibiotics strengthening the bacteria.
nmdcat.online BS Nursing
Jun 6, 2026

A nurse is monitoring a patient for signs of a healthcare-associated infection. Common sites for HAIs include:

A. Surgical sites, urinary tract, respiratory tract, bloodstream
B. Skin, hair, nails
C. Eyes, ears, nose
D. Teeth, gums, tongue
nmdcat.online BS Nursing
Jun 6, 2026

A common method used in microbiology labs to isolate and grow bacteria is:

A. Polymerase Chain Reaction (PCR)
B. Culture on agar plates
C. Enzyme-linked immunosorbent assay (ELISA)
D. Western blot
nmdcat.online BS Nursing
Jun 6, 2026

A patient has a bloodstream infection (bacteremia). This is an example of a:

A. Localized infection
B. Systemic infection
C. Primary infection
D. Secondary infection
nmdcat.online BS Nursing
Jun 6, 2026

The type of immune cell that directly kills infected cells or cancer cells is the:

A. B-cell
B. Helper T-cell
C. Cytotoxic T-cell
D. Macrophage
nmdcat.online BS Nursing
Jun 6, 2026

A nurse is caring for a patient with C. difficile. Proper room cleaning and disinfection are critical because C. difficile spores can:

A. Only survive on living tissue.
B. Survive on environmental surfaces for extended periods.
C. Be easily eliminated with alcohol-based hand rubs.
D. Not be transmitted through indirect contact.
nmdcat.online BS Nursing
Jun 6, 2026

The study of fungi is called:

A. Bacteriology
B. Virology
C. Mycology
D. Parasitology
nmdcat.online BS Nursing
Jun 6, 2026

A patient is infected with a bacterium that produces an exotoxin. Exotoxins are typically:

A. Components of the bacterial cell wall.
B. Proteins secreted by living bacteria.
C. Released upon bacterial cell lysis.
D. Heat-stable.
nmdcat.online BS Nursing
Jun 6, 2026

A nurse is explaining the role of normal flora. These microorganisms help to:

A. Cause disease in healthy individuals.
B. Produce toxins that harm the host.
C. Compete with pathogens for nutrients and attachment sites.
D. Weaken the immune system.
nmdcat.online BS Nursing
Jun 6, 2026

The most common portal of entry for respiratory pathogens is the:

A. Skin
B. Gastrointestinal tract
C. Respiratory tract
D. Urogenital tract
nmdcat.online BS Nursing
Jun 6, 2026
nmdcat.online BS Nursing
Jun 6, 2026

A patient receives antibodies from a donor. This type of immunity is called:

A. Active immunity
B. Passive immunity
C. Innate immunity
D. Cellular immunity
nmdcat.online BS Nursing
Jun 6, 2026

A nurse is teaching about standard precautions. Standard precautions apply to:

A. Only patients with diagnosed infections.
B. Only patients suspected of having an infection.
C. All patients, regardless of their diagnosis.
D. Only patients in isolation.
nmdcat.online BS Nursing
Jun 6, 2026

The period after exposure to a pathogen but before the appearance of first symptoms is known as the:

A. Prodromal period
B. Incubation period
C. Illness period
D. Convalescence period
nmdcat.online BS Nursing
Jun 6, 2026
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