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A patient who has completed the first phase of a three-drug regimen for tuberculosis has a positive sputum acid-fast bacilli test. The nurse will tell the patient that
- A. drug resistance has probably occurred
- B. it may be another month before this test is negative
- C. the provider will change the pyrazinamide to ethambutol
- D. there may be a need to remain in the first phase of therapy for several weeks
Correct Answer: B
Rationale: Sputum negativity may take 2-3 months; positivity doesn't confirm resistance or prompt drug change . The goal is for the patient's sputum test to be negative 2 to 3 months after the therapy.
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Passive monitoring of drug effectiveness includes:
- A. Therapeutic drug levels
- B. Adding or subtracting medications from the treatment regimen
- C. Ongoing provider visits
- D. Instructing the patient to report if the drug is not effective
Correct Answer: D
Rationale: Passive monitoring relies on patient feedback, like reporting ineffectiveness , rather than active interventions like levels or visits .
How can the nurse find the most up-to-date information about emergency preparedness related to bioterrorism agents?
- A. Read textbooks devoted to the topic.
- B. Ask coworkers to explain current events.
- C. Read journal articles about bioterrorism agents.
- D. Visit the Centers for Disease Control and Prevention (CDC) Web site.
Correct Answer: D
Rationale: The most current information will be found on the CDC Web site because new information can be posted immediately whereas textbooks and journal articles take time to print. Coworkers may or may not remain current on emergency preparedness and should not be the primary source of information.
Which of the following is a contraindication of glucocorticoid use?
- A. Psychosis
- B. Allergic dermatitis
- C. Autoimmune hemolytic anemia
- D. Angioneurotic edema
Correct Answer: A
Rationale: Glucocorticoids can exacerbate psychosis, making it a contraindication, unlike the other conditions which they can treat.
Isotretinoin is prescribed for a client with severe acne. Before the administration of this medication, the nurse anticipates that which laboratory test will be prescribed?
- A. Platelet count
- B. Triglyceride level
- C. Complete blood count
- D. White blood cell count
Correct Answer: B
Rationale: Isotretinoin can elevate triglyceride levels. Blood triglyceride levels should be measured before treatment and periodically thereafter until the effect on the triglycerides has been evaluated. Options 1, 3, and 4 do not need to be monitored specifically during this treatment.
A patient requires 1,000 mL of IV fluid to be infused over 10 hours with a drop factor of 20 gtt/mL. What is the flow rate in drops per minute?
- A. 33 gtt/min
- B. 50 gtt/min
- C. 67 gtt/min
- D. 100 gtt/min
Correct Answer: A
Rationale: Flow rate = (Volume Drop factor) ÷ Time in minutes = (1,000 mL 20 gtt/mL) ÷ (10 60) = 20,000 ÷ 600 = 33.33 gtt/min, rounded to 33 gtt/min.