Nokea
A 50-year-old woman has just been diagnosed with type 2 diabetes and given a prescription for metformin. Which of the following statements is characteristic of this medication?
- A. Metformin is inappropriate for initial management of type 2 diabetes
- B. Metformin decreases hepatic glucose production
- C. Metformin undergoes significant metabolism via the cytochrome P450 system
- D. Weight gain is a common adverse effect
Correct Answer: B
Rationale: Metformin reduces hepatic glucose production, a key mechanism in managing type 2 diabetes, and is often a first-line treatment.
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A nurse is reviewing a new prescription for oxcarbazepine with a female client who has partial seizures. Which of the following instructions should the nurse include?
- A. Use caution if given a prescription for a diuretic medication.
- B. Consider using oral contraceptives.
- C. Chew gum to increase saliva production.
- D. Avoid driving until you see how the medication affects you.
Correct Answer: D
Rationale: Oxcarbazepine reduces contraceptive efficacy , requires driving caution , and rash monitoring .
Which topical antifungal medication is used to treat vaginal candidiasis?
- A. Haloprogin (Halotex)
- B. Miconazole (Monistat)
- C. Oxiconazole (Oxistat)
- D. Terbinafine HCl (Lamisil)
Correct Answer: B
Rationale: Miconazole is a standard topical treatment for vaginal candidiasis; others target skin infections. Topical miconazole is used to treat vaginal candidiasis.
Which statement best describes drug efficacy/toxicity in pediatric patients?
- A. Drug requirements for infants have been extensively studied.
- B. Drug dosage is altered by age and weight in children.
- C. Children always need smaller doses of medication than adults.
- D. Infants and children are not at risk for drug toxicity if the dosage is correct
Correct Answer: B
Rationale: Pediatric dosing adjusts for age and weight due to varying metabolism and body composition.
If an agonist can produce maximal effects and has high efficacy it's called:
- A. Partial agonist
- B. Antagonist
- C. Agonist-antagonist
- D. Full agonist
Correct Answer: D
Rationale: A full agonist achieves maximal receptor activation and effect.
Which of the following anti inflammatory drugs is ineffective in gout?
- A. Piroxicam
- B. Tolmetin
- C. Aspirin
- D. Celecoxib
Correct Answer: C
Rationale: Aspirin increases uric acid levels, worsening gout.