Pharmacology Classification of Drugs for Nurses

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Which source contains information specific to nutritional supplements?

  • A. USP Dictionary of USAN & International Drug Names
  • B. Natural Medicines Comprehensive Database
  • C. United States Pharmacopoeia/National Formulary (USP NF)
  • D. Drug Interaction Facts
Correct Answer: C

Rationale: United States Pharmacopoeia/National Formulary contains information specific to nutritional supplements. USP Dictionary of USAN & International Drug Names is a compilation of drug names, pronunciation guide, and possible future FDA approved drugs; it does not include nutritional supplements. Natural Medicines Comprehensive Database contains evidence-based information on herbal medicines and herbal combination products; it does not include information specific to nutritional supplements. Drug Interaction Facts contains comprehensive information on drug interaction facts; it does not include nutritional supplements.

You may also like to solve these questions

A nurse is teaching a female client who has tobacco use disorder about Nicotine replacement therapy. Which of the following statements by the client indicates understanding of the teaching?

  • A. I should avoid eating right before I chew a piece of nicotine gum.
  • B. I will need to stop using the nicotine gum after 1 year.
  • C. I know that nicotine gum is a safe alternative to resulting if I become pregnant.
  • D. I must chew the nicotine gum quickly for about 15 minutes.
Correct Answer: A

Rationale: Avoiding food before chewing enhances nicotine absorption; gum isn't safe in pregnancy, and chewing is slow.

Drug studies generally base the recommended adult dose of a drug needed to reach a critical concentration on what measure?

  • A. A 60-year-old man
  • B. An average-sized woman
  • C. A 150-pound adult male
  • D. An obese adult
Correct Answer: C

Rationale: Drug dosages are often standardized based on a 150-pound adult male as a common reference in pharmacological studies.

Substrate concentration & velocity curve indicates

  • A. Michelis-Mentons equation
  • B. Inverse relation
  • C. Zero order kinetics
  • D. All of the above
Correct Answer: C

Rationale: Substrate concentration vs. velocity in zero-order kinetics shows saturation, unlike first-order (Michaelis-Menten).

While administering a medication that the nurse has researched and found to have limited effectiveness, the patient tells the nurse, I have read all about this drug and it is such a wonder drug. I'm so lucky my doctor prescribed it because I just know it will treat my problem. The nurse suspects this drug will be more effective than usual for this patient because of what effect?

  • A. Cumulative effect
  • B. First-pass effect
  • C. Placebo effect
  • D. Cross-tolerance effect
Correct Answer: C

Rationale: A drug is more likely to be effective if the patient thinks it will work than if the patient believes it will not work. This is called the placebo effect. If a drug is taken in successive doses at intervals that are shorter than recommended, or if the body is unable to eliminate a drug properly, the drug can accumulate in the body, leading to toxic levels and adverse effects. This is a cumulative effect. First-pass effect addresses the reduction of available drug when taken orally due to metabolism in the liver before the drug reaches the bloodstream. Cross-tolerance is resistance to drugs within the same class.

Corticosteroids are acting on:

  • A. Ion channels
  • B. Thirosinkinase
  • C. G-proteins
  • D. genome and cases gene transcription
Correct Answer: D

Rationale: Corticosteroids act on the genome, binding to receptors that regulate gene transcription.

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