Nokea
While studying for the test, the nursing student encounters the following drug: papaverine (Pavabid). What does the nursing student identify the name Pavabid as?
- A. The generic name
- B. The chemical name
- C. The brand name
- D. The chemical and generic name
Correct Answer: C
Rationale: Several clues indicate the brand name including capitalization of the first letter in the name and in parentheses. Generic names are not capitalized; chemical names are descriptions of the chemistry of the medication resulting in complicated names.
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A drug with a half-life of 4 hours is administered at a dosage of 100 mg. How much of the drug will be in the patient's system 8 hours after administration?
- A. 75 mg
- B. 50 mg
- C. 37.5 mg
- D. 25 mg
Correct Answer: D
Rationale: The half-life of a drug is the time it takes for the amount of drug in the body to decrease to 1 half the peak level it previously achieved. Option A would occur 2 hours after administration of the drug. Option B would occur at 4 hours. Option C would occur at 6 hours. Option D would occur at 8 hours after the original administration of the drug.
The following drugs are correctly paired with a clinical use EXCEPT:
- A. Tiludronate to treat Paget's disease of bone
- B. Raloxifene to prevent osteoporosis
- C. Picamycin to treat hypercalcemia
- D. Parathyroid hormone treats hypocalcemia
Correct Answer: D
Rationale: Parathyroid hormone treats osteoporosis, not hypocalcemia; calcitonin or bisphosphonates treat hypocalcemia.
Which person should be treated with prophylactic antitubercular medication?
- A. A child who attends the same school with a child who has tuberculosis
- B. A nurse who is working in a hospital
- C. An individual who is HIV-positive with a negative TB skin test
- D. A patient who has close contact with someone who has tuberculosis
Correct Answer: D
Rationale: Close contact with TB warrants prophylaxis; school , hospital work , or HIV without exposure don't. Personal contact with a person having a diagnosis of tuberculosis is required to indicate prophylactic treatment with antitubercular therapy.
Which of the following is an alfa glucosidase inhibitor:
- A. Rosiglitazone
- B. Stagliptine
- C. Exenatide
- D. Acarbose
Correct Answer: D
Rationale: Acarbose inhibits alpha-glucosidase enzymes in the intestine, delaying carbohydrate digestion and absorption, thus reducing postprandial glucose levels.
A nursing instructor is observing a nursing student prepare an oral drug for administration. The instructor determines that the student is performing the procedure correctly when the student compares the label of the drug with the MAR how many times?
- A. 2
- B. 3
- C. 4
- D. 5
Correct Answer: B
Rationale: The proper procedure is to compare the drug label with the MAR three times: when the drug is taken from its storage area, immediately before removing the drug from the container, and before administering the drug to the patient.