The nurse is discussing the difference between potency and efficacy with a client who has just received a prescription to treat congestive heart failure. Which statement by the client indicates that learning has occurred?
1. "The best drug for me is the one with the greatest efficacy."
2. "A drug with the greatest efficacy will produce the least side effects."
3. "Low-potency drugs have efficacy and do not produce side effects."
4. "The best drug for me is the one with the highest potency."
Correct Answer: 1
Rationale 1: Efficacy refers to the magnitude of maximal response that can be produced by a particular drug.
Rationale 2: Even though a drug is efficacious for a condition, it can still have side effects.
Rationale 3: Low potency does not guarantee a drug will not produce side effects.
Rationale 4: High-potency drugs do not necessarily provide the best response in the patient.
Global Rationale: Efficacy refers to the magnitude of maximal response that can be produced by a particular drug. Even though a drug is efficacious for a condition, it can still have side effects. Low potency does not guarantee a drug will not produce side effects. High-potency drugs do not necessarily provide the best response in the patient.
You might also like to view...
A male patient has been prescribed efavirenz as monotherapy for HIV. On follow-up visits to the clinic, it will be most important for the nurse to assess for which of the following?
A) Cutaneous eruptions B) Erythema C) Cholestatic hepatitis D) Signs of microbial resistance
Which of the following hormones remains elevated in the immediate postpartum period of the breastfeeding woman?
1. Estrogen 2. Progesterone 3. Prolactin 4. Human placental lactogen
Toward whom is the TLC model targeted?
a. Caregivers of older persons with health problems b. Community organizations that offer services for the elderly c. Elderly clients with health problems d. Nurses who care for older clients
Cells usually work alone
True False