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BS Nursing

5385 questions found

Practice Questions

The outer layer of Gram-negative bacteria, containing lipopolysaccharide (LPS), is called the:

A. Peptidoglycan layer
B. Cell membrane
C. Outer membrane ✓
D. Capsule
nmdcat.online BS Nursing
Jun 6, 2026

A patient is receiving broad-spectrum antibiotics. The nurse should monitor for the development of a superinfection, which occurs when:

A. The patient becomes resistant to the antibiotic.
B. The antibiotic kills beneficial normal flora, allowing opportunistic pathogens to thrive. ✓
C. The infection spreads to other body sites.
D. The patient develops an allergic reaction to the antibiotic.
nmdcat.online BS Nursing
Jun 6, 2026

A nurse is reviewing a patient’s wound culture results, which show the presence of both aerobic and anaerobic bacteria. Anaerobic bacteria are those that:

A. Require oxygen for growth.
B. Cannot grow in the presence of oxygen. ✓
C. Can grow with or without oxygen.
D. Grow only in acidic environments.
nmdcat.online BS Nursing
Jun 6, 2026

The immune response that involves specific lymphocytes (B-cells and T-cells) recognizing and targeting specific pathogens is known as:

A. Innate immunity
B. Adaptive immunity ✓
C. Passive immunity
D. Non-specific immunity
nmdcat.online BS Nursing
Jun 6, 2026
nmdcat.online BS Nursing
Jun 6, 2026

A patient is diagnosed with a viral infection. A common antiviral drug might target the virus’s ability to:

A. Synthesize its cell wall.
B. Replicate its genetic material. ✓
C. Produce bacterial toxins.
D. Carry out metabolic processes.
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 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 patient is infected with a protozoan parasite, such as Giardia. Protozoa are:

A. Unicellular fungi.
B. Multicellular worms.
C. Single-celled eukaryotic microorganisms. ✓
D. Non-living infectious agents.
nmdcat.online BS Nursing
Jun 6, 2026

A nurse is preparing a sterile field. The critical principle to remember when working with a sterile field is that:

A. Only the edges of the field are considered sterile.
B. Anything that touches the sterile field and is not sterile is considered contaminated. ✓
C. Surgical masks are not necessary when working with a sterile field.
D. Sterile fields can be prepared hours in advance.
nmdcat.online BS Nursing
Jun 6, 2026

A patient with tuberculosis is placed in airborne precautions. This is because Mycobacterium tuberculosis is primarily spread through:

A. Direct contact with contaminated surfaces.
B. Fecal-oral route.
C. Airborne droplets that remain suspended in the air. ✓
D. Vector-borne transmission.
nmdcat.online BS Nursing
Jun 6, 2026

The normal microbiota residing on and within the human body:

A. Always cause disease.
B. Are entirely pathogenic.
C. Can be beneficial and protect against pathogens. ✓
D. Are sterile and do not contain any microorganisms.
nmdcat.online BS Nursing
Jun 6, 2026

A nurse is reviewing a patient’s lab results, which show a high white blood cell count and elevated C-reactive protein. These findings are indicators of:

A. A viral infection only.
B. A bacterial infection only.
C. An inflammatory response, which can be due to infection. ✓
D. An autoimmune disease.
nmdcat.online BS Nursing
Jun 6, 2026

The process by which bacteria transfer genetic material through direct cell-to-cell contact is called:

A. Transformation
B. Transduction
C. Conjugation ✓
D. Replication
nmdcat.online BS Nursing
Jun 6, 2026

A patient is recovering from a viral infection. Unlike bacterial infections, viral infections are typically not treated with:

A. Antiviral medications
B. Analgesics
C. Antipyretics
D. Antibiotics ✓
nmdcat.online BS Nursing
Jun 6, 2026

A nurse is caring for a patient with a wound infection. The presence of pus indicates:

A. A viral infection.
B. A sterile wound.
C. An inflammatory response and bacterial activity. ✓
D. A fungal infection.
nmdcat.online BS Nursing
Jun 6, 2026
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