Nokea
A client is being treated for tuberculosis. Which medications are used to treat this condition?(Select one that does not apply.)
- A. Streptomycin sulfate
- B. rifabutin
- C. Ethambutol (Myambutol)
- D. Gentamicin (Garamycin)
Correct Answer: D
Rationale: TB treatment uses streptomycin, ethambutol, rifabutin, ethionamide, and pyrazinamide; amoxicillin and gentamicin are not standard. Streptomycin sulfate, ethambutol, rifabutin, ethionamide, and pyrazinamide are used to treat tuberculosis.
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Teaching the patient/caregiver about their medications is an important step in reducing the risk of medication errors. What is an important teaching point about medications?
- A. Speak up
- B. Store medications in a warm humid place
- C. Adjust your medication according to your weight
- D. Keep a list of your prescribed medications
Correct Answer: D
Rationale: Keeping a medication list enhances safety by ensuring all providers know current drugs, reducing error risk.
Which statement is correct regarding glucagon:
- A. Causes hypoglicemia
- B. Causes hyperglicemia
- C. Haven't affect blood glucose level in blood
Correct Answer: B
Rationale: Glucagon causes hyperglycemia by stimulating glycogenolysis and gluconeogenesis in the liver.
Tamoxifen is prescribed for the client with metastatic breast carcinoma. The nurse understands that the primary action of this medication is to:
- A. Increase DNA and RNA synthesis.
- B. Promote the biosynthesis of nucleic acids.
- C. Increase estrogen concentration and estrogen response.
- D. Compete with estradiol for binding to estrogen in tissues containing high concentrations of receptors.
Correct Answer: D
Rationale: Tamoxifen is an antineoplastic medication that competes with estradiol for binding to estrogen in tissues containing high concentrations of receptors. Tamoxifen is used to treat metastatic breast carcinoma in women and men. Tamoxifen is also effective in delaying the recurrence of cancer following mastectomy. Tamoxifen reduces DNA synthesis and estrogen response.
Pharmacoeconomics is:
- A. The study of the part of the U.S. economy
- B. The study of the impact of prescription drug costs on the overall economy
- C. The analysis of the costs and consequences of any health-care-related treatment or service
- D. The analysis of the clinical efficacy of the drug
Correct Answer: C
Rationale: Pharmacoeconomics evaluates costs and outcomes of health-care interventions.
Angina is caused by:
- A. Blocking beta1 receptors with a constant binding of noradrenaline
- B. Activating beta2 receptors
- C. Beta1 receptors are not active anymore
- D. Extreme binding of noradrenaline due to up regulation
Correct Answer: D
Rationale: Angina results from myocardial ischemia, often due to excessive demand or reduced supply, which can be exacerbated by upregulated noradrenaline binding increasing heart workload.