Nokea
Ciprofloxacin otic drops are contraindicated in:
- A. Children
- B. Patients with acute otitis externa
- C. Patients with a perforated tympanic membrane
- D. Swimmer's ear
Correct Answer: C
Rationale: Ciprofloxacin otic risks ototoxicity with perforated eardrums; it's safe in kids or swimmer's ear .
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Carbamazepine has a Black Box Warning recommending testing for the HLA-B*1502 allele in patients with Asian ancestry prior to starting therapy due to:
- A. Decreased effectiveness of carbamazepine in treating seizures in Asian patients with HLA-B*1502 allele
- B. Increased risk for drug interactions in Asian patients with the HLA-B*1502 allele
- C. Increased risk for Stevens-Johnson syndrome in Asian patients with HLA-B*1502 allele
- D. Patients who have the HLA-B*1502 allele being more likely to have a resistance to carbamazepine
Correct Answer: C
Rationale: HLA-B*1502 in Asians increases Stevens-Johnson syndrome risk with carbamazepine , per FDA warning, not efficacy or interactions .
Niaspan is less likely to cause which side effect that is common to niacin?
- A. Gastrointestinal irritation
- B. Cutaneous flushing
- C. Dehydration
- D. Headaches
Correct Answer: B
Rationale: Niaspan's extended-release form reduces flushing compared to immediate-release niacin.
All of following drugs are metabolized in body by acetylation except:
- A. INH
- B. Hydralazine
- C. Procainamide
- D. Dilantin
Correct Answer: D
Rationale: Dilantin (phenytoin) is metabolized by hydroxylation, not acetylation.
Medication orders are written with very specific criteria and coincide with the 7 rights of medication administration. What critical piece of information is missing from the following medication order? Amoxicillin 250 mg every 8 hours.
- A. Dose
- B. Route
- C. Frequency of administration
- D. Trade name of the drug
Correct Answer: B
Rationale: The route (e.g., oral, IV) is missing, essential for safe administration per the 7 rights.
The telephone triage nurse receives a call from a patient asking for a prescription for a narcotic to manage his surgical pain. The nurse explains that narcotic prescriptions must be written and cannot be called in to the pharmacy. The patient says, Why are narcotics so difficult to get a prescription for? What is the nurses best response?
- A. The Drug Enforcement Agency (DEA) determines the risk for addiction and the Food and Drug Administration (FDA) enforces their control.
- B. The increase in the number of drug addicts has made the rules stronger.
- C. The Centers for Disease Control and Prevention (CDC) regulates use of controlled substances to reduce the risk of injury.
- D. Controlled substances like narcotics are controlled by the FDA and the DEA.
Correct Answer: D
Rationale: Controlled substances are controlled by the FDA and the DEA: the DEA enforces control while the FDA determines abuse potential. Regulations related to controlled substances have remained strict and specific and have not been significantly impacted by substance abusers. The CDC is not involved in control of narcotics and other controlled substances.