Nokea
If 10 mg of naproxen produces the same analgesic response as 100 mg of ibuprofen, which of the following statements is correct?
- A. Naproxen is more efficacious than is ibuprofen
- B. Naproxen is more potent than ibuprofen
- C. Naproxen is full agonist, and ibuprofen is a partial agonist
- D. Naproxen is a competitive antagonist
Correct Answer: B
Rationale: Lower dose for the same effect indicates naproxen is more potent (lower EC50) than ibuprofen.
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Research has shown that when patients who are covered by Medicare Part D reach the 'donut hole' in coverage they:
- A. Ask for extra refills of medication to get them through the months of no coverage
- B. Fill their prescriptions less frequently, including critical medications such as warfarin or a statin
- C. Fill their critical medications, but hold off on filling less-critical medications
- D. Demonstrate no change in their prescription filling pattern
Correct Answer: B
Rationale: Patients reduce prescription filling, even for critical drugs, during the donut hole.
After teaching a group of nursing students about nonprescription drugs, the nursing instructor determines that the teaching was successful when the students identify which of the following?
- A. They require a licensed health care provider's signature.
- B. They are referred to as over-the-counter drugs.
- C. They can be taken without risk to the client.
- D. They do not have certain labeling requirements.
Correct Answer: B
Rationale: Nonprescription drugs are often referred to as over-the-counter (OTC) drugs. They do not require a prescription (a licensed health care provider's signature) but do not come without risk to the client. The federal government has imposed labeling requirements of OTC drugs and they should only be taken as directed on the label unless under the supervision of a health care provider.
Drug of choice in phenothiazine induced parkinsonism is
- A. Levodopa
- B. Haloperidol
- C. Metoclopramide
- D. None of the above
Correct Answer: A
Rationale: Levodopa counters phenothiazine-induced parkinsonism.
Not metabolized in liver
- A. Cimetidine
- B. Phenytoin
- C. Diazepam
- D. Penicillin G
Correct Answer: D
Rationale: Penicillin G is primarily excreted unchanged by the kidneys, unlike the others metabolized by the liver.
An disorder develops lactic acidosis, and nearly dies, as a result of an uncommon but serious adverse response to therapy with an 'endocrine' drug. Which of the following was the most likely cause of this severe problem?
- A. Insulin glargine, prescribed for Type 1 diabetes mellitus
- B. Levothyroxine, prescribed to maintain euthyroid status following thyroidectomy
- C. Metformin, prescribed for Type 2 diabetes mellitus
- D. Propylthiouracil, prescribed for hyperthyroidism
Correct Answer: C
Rationale: Metformin is the most likely cause of lactic acidosis, a rare but life-threatening complication.