Nokea
A potential harmful effect on patients who take some herbal medication is:
- A. Constipation
- B. Lead poisoning
- C. Diarrhea
- D. Life-threatening rash
Correct Answer: B
Rationale: Some herbal products may contain lead contaminants, posing a risk of poisoning.
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This graph illustrates the dose-response relationship for the effect of the beta agonist isoproterenol on an isolated perfused heart, both alone and in the presence of different fixed concentrations of Drug X. Based upon the data shown, Drug X is most likely a(n):
- A. beta agonist
- B. competitive antagonist
- C. irreversible antagonist
- D. noncompetitive antagonist
Correct Answer: A
Rationale: Without the graph, the answer key indicates Drug X is a beta agonist, suggesting it enhances or mimics isoproterenol's effect, likely shifting the curve upward or leftward.
The nurse explains the Drug Enforcement Agencys (DEAs) schedule of controlled substances to the nursing assistant who asks, Do you ever get a prescription for Schedule I medications? What is the nurses best response?
- A. Schedule I medications have no medical use so they are not prescribed.
- B. Schedule I medications have the lowest risk for abuse and do not require a prescription.
- C. Schedule I medications are only prescribed in monitored units for patient safety.
- D. Schedule I medications are found in antitussives and antidiarrheals sold over the counter.
Correct Answer: A
Rationale: Schedule I medications have no medical use and are never prescribed. Schedule V medications have the lowest risk for abuse and are found mostly in antitussives and antidiarrheals but they are not sold over the counter.
Which of the following anti inflammatory drugs is ineffective in gout?
- A. Piroxicam
- B. Tolmetin
- C. Aspirin
- D. Celecoxib
Correct Answer: C
Rationale: Aspirin increases uric acid levels, worsening gout.
A patient is receiving digoxin as treatment for heart failure. Which of the following would be most important for the nurse to monitor to reduce the risk for toxicity?
- A. Seizure activity
- B. Drug blood level
- C. Urinary output
- D. Blood pressure
Correct Answer: B
Rationale: The nurse should monitor the patient's blood level of the drug to ensure that the level remains within the therapeutic range. Monitoring seizure activity, urination frequency, and blood pressure will not prevent toxicity. Seizure activity is unrelated to digoxin or heart failure.
Monitoring for a child on methylphenidate for attention deficit hyperactivity disorder (ADHD) includes:
- A. ADHD symptoms
- B. Routine height and weight checks
- C. Amount of methylphenidate being used
- D. All of the above
Correct Answer: D
Rationale: All are monitored: symptom control, growth effects, and medication use.