Which statement by a patient makes the nurse aware of a need for further education about drug resistance in antimicrobial therapy?
"The antibiotic I have been taking doesn't work as well as it used to."
"The bacteria in my body have become resilient."
"Over time, an organism that had once been highly sensitive to an antibiotic may become less susceptible, or it may lose drug sensitivity entirely."
"My body has become resistant to the antibiotic."
The Correct Answer is D
A. "The antibiotic I have been taking doesn't work as well as it used to."
This statement shows awareness of decreased effectiveness, which can occur due to drug resistance. Bacteria can become resistant to antibiotics, leading to reduced efficacy of the medication over time.
B. "The bacteria in my body have become resilient."
This statement correctly attributes resistance to the bacteria. Resilience in this context means that bacteria have developed mechanisms to survive the effects of antibiotics, making the treatment less effective.
C. "Over time, an organism that had once been highly sensitive to an antibiotic may become less susceptible, or it may lose drug sensitivity entirely."
This statement accurately describes the concept of drug resistance. Bacteria can lose sensitivity to antibiotics, rendering the drugs ineffective against them.
D. "My body has become resistant to the antibiotic."
This statement is incorrect. It's the bacteria that develop resistance, not the patient's body. Patients don't become resistant to antibiotics; instead, bacteria evolve and adapt, making the drugs less effective against them.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. IgE (Immunoglobulin E): This class of antibodies is primarily involved in hypersensitivity reactions Type I, which are immediate allergic reactions. When a person is exposed to an allergen they are sensitive to, IgE antibodies on the surface of mast cells and basophils bind to the allergen. This triggers the release of inflammatory mediators like histamine, leading to allergic symptoms such as itching, hives, and in severe cases, anaphylaxis.
B. IgA (Immunoglobulin A): IgA antibodies are primarily found in mucosal areas such as the respiratory and gastrointestinal tracts. They play a role in immune defense on mucosal surfaces and are important for preventing infections. While IgA is not directly associated with hypersensitivity reactions Type I, deficiencies in IgA can sometimes lead to increased susceptibility to certain infections.
C. IgG (Immunoglobulin G): IgG antibodies are the most common type of antibody in the bloodstream and are involved in various immune responses, including defense against bacterial and viral infections. IgG antibodies are not specific to Type I hypersensitivity reactions; they are part of the immune system's broader defense mechanisms.
D. IgM (Immunoglobulin M): IgM antibodies are the first antibodies to be produced in response to an infection. They are large pentameric molecules and are effective at agglutinating pathogens. IgM antibodies are involved in the primary immune response to infections, but they are not specifically associated with Type I hypersensitivity reactions.
Correct Answer is A
Explanation
A. "Tetracycline inhibits protein synthesis."
Tetracycline inhibits bacterial protein synthesis by binding to the bacterial ribosomes, which are crucial for making proteins. This disruption in protein synthesis prevents bacterial growth and replication.
B. "Tetracycline blocks RNA synthesis."
Tetracycline primarily affects protein synthesis, not RNA synthesis. It binds to the 30S subunit of the bacterial ribosome and disrupts the translation process.
C. "Tetracycline degrades the bacterial cell wall."
Tetracycline does not target the bacterial cell wall. Drugs like penicillin and cephalosporins work by disrupting cell wall synthesis, but tetracycline operates differently by inhibiting protein synthesis.
D. "Tetracycline binds to magnesium ions."
Tetracycline does not specifically bind to magnesium ions. Its primary mode of action involves binding to the bacterial ribosome, as mentioned in the first correct statement.
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