Drug Classification Nursing

Drug Classification Nursing Related

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A nurse working as a member of a research team is exploring the unique differences in drug response that each individual possesses based on his or her genetic makeup. This area of study is called:

  • A. Pharmacotherapeutics
  • B. Pharmacodynamics
  • C. Pharmacoeconomics
  • D. Pharmacogenomics
Correct Answer: D

Rationale: Pharmacogenomics is the area of study that includes mapping of the human genome. In the future, medical care and drug regimens may be personally designed based on a person's unique genetic makeup. Pharmacotherapeutics is the branch of pharmacology that deals with the use of drugs to treat, prevent, and diagnose disease. Pharmacodynamics involves how a drug affects the body. Pharmacoeconomics includes any costs involved in drug therapy.

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A contraindication for topical corticosteroid usage in a male with atopic dermatitis (eczema) is:

  • A. Parasite infection
  • B. Viral infection
  • C. Bacterial infection
  • D. Spirochete infection
Correct Answer: B

Rationale: Topical corticosteroids worsen viral infections (e.g., herpes) due to immunosuppression.

Drugs do not metabolize the same way in all people. For what patient would a nurse expect to assess for an alteration in drug metabolism?

  • A. A 35-year-old woman with cervical cancer
  • B. A 41-year-old man with kidney stones
  • C. A 50-year-old man with cirrhosis of the liver
  • D. A 62-year-old woman in acute renal failure
Correct Answer: C

Rationale: The liver is the most important site of drug metabolism. If the liver is not functioning effectively, as in patients with cirrhosis, drugs will not metabolize normally so that toxic levels could develop unless dosage is reduced. A patient with cervical cancer or kidney stones would not be expected to have altered ability to metabolize drugs so long as no liver damage existed. The patient with renal failure would have altered excretion of the drugs through the renal system but metabolism would not be impacted.

Therapeutic index of a drug is an indicator of

  • A. Potency
  • B. Safety
  • C. Toxicity
  • D. Efficacy
Correct Answer: C

Rationale: Therapeutic index (TD50/ED50) measures the margin between therapeutic and toxic doses.

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.

The first step in the prescribing process according to the World Health Organization is:

  • A. Choosing the treatment
  • B. Educating the patient about the medication
  • C. Diagnosing the patient's problem
  • D. Starting the treatment
Correct Answer: C

Rationale: The WHO prescribing process begins with diagnosing the problem to ensure treatment aligns with the condition, followed by choosing therapy and education.

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