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Which of the following regarding E max is correct?
- A. E max assumes that as long as you increase the concentration of the drug, there will be a higher effect of the drug
- B. E max is used to compare the potency of different drugs
- C. E max assumes that all receptors are occupied by the drug and no increase in response is observed if a higher concentration of drug is obtained
- D. All of the previous points are incorrect
Correct Answer: C
Rationale: Emax is the maximal effect when all receptors are occupied; further dose increases yield no additional effect.
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A nurse is assessing a client who has taken Procainamide to treat dysrhythmias for the last 12 months. The nurse should assess the client for which of the following adverse effects of this medication? (Select one that does not apply.)
- A. Joint swelling
- B. Widened QRS complex
- C. Narrowed QT interval
- D. Easy bruising
Correct Answer: C
Rationale: Procainamide can widen QRS , cause bruising from lupus-like syndrome, and joint swelling .
The home health nurse is caring for a 77-year-old patient with congestive heart failure. What would the nurse consider a priority to assess to develop the most effective plan of care related to medication administration?
- A. Description of the patient's living environment
- B. Required lifestyle changes
- C. Family members in the community
- D. Compliance with therapy to reduce risk of skin breakdown
Correct Answer: A
Rationale: Living environment affects medication storage, access, and administration, critical for an elderly patient with CHF.
A 35-year-old male patient is admitted to the hospital with pneumonia. He was originally being treated at home, but became worse when he quit taking his medicine. What would be an appropriate nursing diagnosis for this patient?
- A. Deficient knowledge: monitoring temperature
- B. Noncompliance
- C. Risk for injury related to office visits
- D. Non-adherence: overuse
Correct Answer: B
Rationale: Noncompliance reflects the patient's failure to continue prescribed treatment, worsening his condition.
Kenneth is taking warfarin and is asking about what he can take for minor aches and pains. The best recommendation is:
- A. Ibuprofen 400 mg three times a day
- B. Acetaminophen, not to exceed 4 grams per day
- C. Prescribe acetaminophen with codeine
- D. Aspirin 640 mg three times a day
Correct Answer: B
Rationale: Acetaminophen is safest with warfarin, avoiding bleeding risks from ibuprofen or aspirin ; codeine is unnecessary for minor pain.
The following drug may be used to relieve bladder spasm after urologic surgery:
- A. Atropine
- B. Dicyclomine
- C. Glycopyrrolate
- D. Oxybutynin
Correct Answer: D
Rationale: Oxybutynin, an antimuscarinic, reduces bladder spasms.