The nurse is caring for a group of clients. Which situation describes prophylactic therapy?
A client received a medication to prevent nausea from occurring.
A client received a medication to replace insulin in their body.
A client received a medication to treat a diagnosed infection.
A client received a medication to slow the progression of arthritis.
The Correct Answer is A
A. A client received a medication to prevent nausea from occurring: Prophylactic therapy involves administering a drug to prevent a condition or symptom before it develops. Giving an antiemetic before a procedure or chemotherapy to prevent nausea exemplifies preventive use, reducing the risk of adverse effects before they occur.
B. A client received a medication to replace insulin in their body: Insulin replacement is considered replacement therapy, not prophylactic therapy. It provides an essential hormone that the body cannot produce, maintaining metabolic function rather than preventing a condition.
C. A client received a medication to treat a diagnosed infection: Treatment of an existing infection is therapeutic, not prophylactic. Prophylactic therapy occurs before a problem develops, whereas treating an active infection addresses an already established condition.
D. A client received a medication to slow the progression of arthritis: Medications that slow disease progression are considered disease-modifying therapy. While they may prevent worsening, they do not serve the primary purpose of preventing a symptom or condition before it occurs.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Administer flumazenil: Flumazenil reverses benzodiazepines, not opioids. Giving it in an opioid overdose would provide no therapeutic benefit and could complicate care by masking overlapping sedative effects from unknown co‑ingested substances.
B. Encourage ambulation: Clients with opioid overdose often have depressed consciousness, poor respiratory effort, and impaired safety awareness. Ambulation increases the risk of falls, injury, and worsened hypoxia, making it unsafe during the acute phase.
C. Assess the airway: Opioids depress the respiratory center, making airway assessment the highest priority. Ensuring patency, evaluating respiratory rate and depth, and preparing for ventilation support align with ABC priorities and help prevent respiratory arrest.
D. Request a sedative: Sedating a client who already has CNS and respiratory depression from opioids can further suppress breathing and worsen hypoventilation. This would significantly increase the risk of respiratory failure.
Correct Answer is A
Explanation
A. Peak effect: The peak effect of a drug is the point at which it produces its maximum therapeutic response in the body. It reflects the highest concentration at the site of action and helps guide optimal dosing schedules to achieve effective treatment without causing toxicity.
B. Steady state: Steady state refers to the point at which the drug’s intake and elimination are balanced, resulting in consistent plasma levels. It does not indicate the maximum effect but ensures ongoing therapeutic levels over time.
C. Duration of action: Duration of action is the total time a drug produces a therapeutic effect, not the intensity or maximum response. It helps determine how often a medication should be administered to maintain efficacy.
D. Onset of action: Onset of action is the time it takes for a drug to begin producing a noticeable effect after administration. It indicates how quickly a drug works, not the magnitude of its effect.
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