Nokea
Which of the following produced by the pancreatic beta cells:
- A. Insulin
- B. Gastrin
- C. Somatostatin
- D. Glucagon
Correct Answer: A
Rationale: Insulin is produced by pancreatic beta cells to regulate blood glucose.
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An NP would prescribe the liquid form of ibuprofen for a 6-year-old child because:
- A. Drugs given in liquid form are less irritating to the stomach.
- B. A 6-year-old child may have problems swallowing a pill.
- C. Liquid forms of medication eliminate the concern for first-pass effect.
- D. Liquid ibuprofen does not have to be dosed as often as the tablet form.
Correct Answer: B
Rationale: A 6-year-old may struggle to swallow pills, making liquid ibuprofen more practical . Liquid forms don't eliminate first-pass effect or reduce dosing frequency , and irritation isn't a primary concern here.
The nurse is caring for a patient who is chronically irritable and anxious and prone to violent behaviors. The patient has several teeth missing and has dental caries in the remaining teeth. The nurse suspects previous chronic use of which drug?
- A. Alcohol
- B. Cocaine
- C. LSD
- D. Methamphetamine
Correct Answer: D
Rationale: Methamphetamine causes tooth decay ('meth mouth') and agitation; cocaine less so. Patients previously exposed to methamphetamine use will exhibit these symptoms, and the physical effects of extended methamphetamine use are notable tooth decay and dermatologic deterioration.
Insulin is used for:
- A. Treatment of diabetes mellitus type I only
- B. Treatment of diabetes mellitus type II only
- C. Treatment of diabetes mellitus type III and IV only
- D. Treatment of diabetes mellitus type I and II
Correct Answer: D
Rationale: Insulin is used for both type 1 (insulin-dependent) and type 2 (when other treatments fail) diabetes.
Which is the most important drug in the treatment of organophosphate poisoning?
- A. Atropine sulfate
- B. Pralidoxime
- C. Diazepam
- D. Adrenaline
Correct Answer: A
Rationale: Atropine sulfate is the most critical initial treatment for organophosphate poisoning, counteracting muscarinic effects like bronchorrhea and bradycardia, while pralidoxime regenerates cholinesterase later.
Patients who are beginning therapy with vitamin B12 need to be monitored for:
- A. Hypertensive crisis that may occur in the first 36 hours
- B. Hypokalemia that occurs in the first 48 hours
- C. Leukopenia that occurs at 1 to 3 weeks of therapy
- D. Thrombocytopenia that may occur at any time in therapy
Correct Answer: B
Rationale: Hypokalemia can occur early in B12 therapy as red cell production surges, shifting potassium; other effects are rare.