Beta blockers have favorable effects on survival and disease progression in heart failure. Treatment should be initiated when the:
- A. Symptoms are severe
- B. Patient has not responded to other therapies
- C. Patient has concurrent hypertension
- D. Left ventricular dysfunction is diagnosed
Correct Answer: D
Rationale: Beta blockers are initiated upon diagnosis of left ventricular dysfunction to improve outcomes.
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A patient is to receive a daily dose of 240 mg of a medication. The dose is supposed to be divided evenly so that the drug is given every 6 hours. How much of the drug should be given at each dose?
- A. 30 mg
- B. 40 mg
- C. 50 mg
- D. 60 mg
Correct Answer: D
Rationale: Because there are 24 hours in a day, giving a drug every 6 hours would mean giving the drug four times a day. Because the total daily dose is 240 mg, dividing that dose by four would mean each dose should be 60 mg.
Choose a drug that is used for both non-Hodgkin's lymphoma and rheumatoid arthritis:
- A. Doxorubicin
- B. Vincristine
- C. Infliximab
- D. Rituximab
Correct Answer: D
Rationale: Rituximab targets CD20 in lymphoma and is also used in rheumatoid arthritis.
What patient populations would the nurse expect is most likely to be prescribed a drug for an off-label use?
- A. Adolescent and middle-aged adult patients
- B. Patients with diabetes or heart disease
Correct Answer: B
Rationale: Patients with chronic conditions like diabetes or heart disease are more likely to receive off-label prescriptions due to limited standard treatment options or the need for alternative therapies when conventional drugs are ineffective. Adolescents and middle-aged adults are less likely unless specific conditions warrant it, but the document cuts off, and based on clinical context, chronic disease patients are a common focus for off-label use.
Which of the following is corresponding to the following statement: this drug is used for diabetes mellitus and while using there is an increased risk of pancreatitis:
- A. Miglitol
- B. Pioglitazon
- C. Exenatide
- D. Glimepiride
Correct Answer: C
Rationale: Exenatide, a GLP-1 agonist, treats diabetes and has a known risk of pancreatitis as a rare but serious side effect.
Drug studies generally base the recommended adult dose of a drug needed to reach a critical concentration on what measure?
- A. A 60-year-old man
- B. An average-sized woman
- C. A 150-pound adult male
- D. An obese adult
Correct Answer: C
Rationale: Drug dosages are often standardized based on a 150-pound adult male as a common reference in pharmacological studies.