Nokea
The following drug causes a decrease in aqueous humour secretions from the ciliary body:
- A. Propranolol
- B. Nadolol
- C. Carvedilol
- D. Timolol
Correct Answer: D
Rationale: Timolol, a beta-blocker, reduces aqueous humor production in glaucoma.
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Glucocorticoid effects of carbohydrate metabolism is facilitated with:
- A. Gluconeogenesis
- B. Hypoglicemia
- C. Enhance of glucose utilization with peripherial tissues
- D. Decrease of glycogen reserve in the liver
Correct Answer: A
Rationale: Glucocorticoids promote gluconeogenesis, increasing blood glucose levels by converting non-carbohydrate sources into glucose.
A patient is being treated with isoniazid (INH), rifampin, and pyrazinamide in phase I of treatment for tuberculosis. The organism develops resistance to isoniazid. Which drug will the nurse anticipate the provider will order to replace the isoniazid?
- A. Ciprofloxacin (Cipro)
- B. Ethambutol (Myambutol)
- C. Kanamycin
- D. Streptomycin sulfate
Correct Answer: B
Rationale: Ethambutol replaces INH in phase I if resistance occurs; ciprofloxacin or kanamycin are less common first-line options. If there is bacterial resistance to isoniazid, the first phase may be changed to ethambutol, rifampin, and pyrazinamide.
While collecting a medication history, the patient admits to doubling the recommended dosage of an over-the-counter (OTC) medication, saying It's harmless or they would require a prescription. What is the nurse's best response?
- A. OTC drugs are serious medications and carry serious risks if not taken as directed.
- B. Taking medications like that is careless and you could kill yourself doing it.
- C. Sometimes you need to take more than the package directs to treat the symptoms.
- D. Did you notify your doctor of the increased dosage you were taking?
Correct Answer: A
Rationale: OTC drugs are no less a medication than prescription drugs and carry the same types of risks for overdosage and toxicity if directions are not followed. Although increasing the dosage is careless and dangerous, it is important to use the information as a teaching opportunity rather than scolding the patient. Agreeing with the patient or asking her if she talked to the doctor misses the teaching opportunity, which could be harmful for the patient.
Jamie has fractured his ankle and has received a prescription for acetaminophen and hydrocodone (Vicodin). Education when prescribing Vicodin includes:
- A. It is okay to double the dose of Vicodin if the pain is severe
- B. Vicodin is not habit-forming
- C. He should not take any other acetaminophen-containing medications
- D. Vicodin may cause diarrhea; increase his fluid intake
Correct Answer: C
Rationale: Avoiding extra acetaminophen prevents overdose; Vicodin is habit-forming , and constipation, not diarrhea , is common.
In today's healthcare environment there is often more contact between the patient and the nurse than between the patient and the physician. What does this make the nurse in the best position to do?
- A. Assess the patient's inability to document medication taken
- B. Assess the patient's inability to communicate with caregivers
- C. Assess the therapeutic success of the drug therapy
- D. Assess the patient's reluctance to purchase the prescribed drug
Correct Answer: C
Rationale: Frequent contact positions nurses to evaluate drug therapy success through direct observation and patient feedback.