A nurse is caring for a patient who sustained a puncture wound from a dirty nail. Which microorganism is responsible for tetanus?
Clostridium difficile.
Clostridium tetani.
Escherichia coli.
Streptococcus pneumoniae.
The Correct Answer is B
Choice B rationale:
Clostridium tetani is responsible for tetanus. When a puncture wound is contaminated with spores of this bacterium, it can produce a potent neurotoxin that causes muscle contractions, rigidity, and potentially life-threatening complications.
Choice A rationale:
Clostridium difficile is not responsible for tetanus. It is a different bacterium that can cause gastrointestinal infections and antibiotic-associated diarrhea.
Choice C rationale:
Escherichia coli is not responsible for tetanus. While certain strains of
E. coli can cause food poisoning and other infections, it is not associated with tetanus.
Choice D rationale:
Streptococcus pneumoniae is not responsible for tetanus. It is a bacterium commonly associated with respiratory infections, such as pneumonia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale:
Benzodiazepines act by enhancing the effects of gamma-aminobutyric acid (GABA) in the central nervous system (CNS) GABA is an inhibitory neurotransmitter that reduces neural activity, leading to sedation and muscle relaxation. By enhancing GABA's effects, benzodiazepines help relieve muscle spasms in clients with tetanus.
Choice B rationale:
Blocking the release of acetylcholine at neuromuscular junctions is not the mechanism of action of benzodiazepines. This statement is incorrect.
Choice C rationale:
Inhibiting the action of excitatory neurotransmitters in the brain is not the primary mechanism of action of benzodiazepines. They primarily enhance the activity of inhibitory neurotransmitters like GABA.
Choice D rationale:
Stimulating the production of dopamine in the spinal cord is not a mechanism of action for benzodiazepines. This statement is inaccurate.
Chickenpox/Shingles.
.
Correct Answer is C
Explanation
Choice A rationale:
The statement "I should complete the full course of antibiotics as prescribed" is correct. Completing the full course of antibiotics is essential to ensure that all the bacteria causing the infection are eradicated. Stopping antibiotics prematurely may lead to antibiotic resistance and treatment failure.
Choice B rationale:
The statement "The antibiotics will kill the bacteria causing the disease" is correct. Antibiotics are prescribed to kill the bacteria responsible for causing the infection, including tetanus. This is essential in controlling the spread and severity of the disease.
Choice C rationale:
The statement "Antibiotics will help neutralize the toxin in my blood" is incorrect. Antibiotics are effective against bacteria but do not neutralize the toxin produced by the tetanus bacteria. To manage the symptoms of tetanus, other supportive treatments like tetanus antitoxin and muscle relaxants are used to counteract the toxin's effects.
Choice D rationale:
The statement "Penicillin G has a broader spectrum of activity than metronidazole" is irrelevant to the client's tetanus treatment. While it is true that different antibiotics have different spectrums of activity, this information is not relevant to the client's current condition or treatment.
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