Drugs Classification Quiz

Drugs Classification Quiz Related

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In response to the patient's question about how to know whether drugs are safe, the nurse explains that all medications undergo rigorous scientific testing controlled by what organization?

  • A. Food and Drug Administration (FDA)
  • B. Drug Enforcement Agency (DEA)
  • C. Centers for Disease Control and Prevention (CDC)
  • D. Joint Commission on Accreditation of Healthcare Organizations (JCAHO)
Correct Answer: A

Rationale: The FDA is responsible for controlling and regulating the development and sale of drugs in the United States, allowing new drugs to enter the market only after being subjected to rigorous scientific testing. The DEA regulates and controls the use of controlled substances. The CDC monitors and responds to infectious diseases. The JCAHO is an accrediting body that inspects acute care facilities to ensure minimum standards are met.

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Dulcea has type 2 diabetes and a high triglyceride level. She has gemfibrozil prescribed to treat her hypertriglyceridemia. A history of which of the following might contraindicate the use of this drug?

  • A. Reactive airway disease/asthma
  • B. Inflammatory bowel disease
  • C. Allergy to aspirin
  • D. Gallbladder disease
Correct Answer: D

Rationale: Gemfibrozil increases gallstone risk, contraindicating its use in gallbladder disease.

Not a prodrug

  • A. Lisinopril
  • B. Enalapril
  • C. Ramipril
  • D. Famotidine
Correct Answer: A

Rationale: Lisinopril is active; others are prodrugs.

Six-year-old Lucy has recently been started on ethosuximide (Zarontin) for seizures. She should be monitored for:

  • A. Increased seizure activity, as this drug may auto-induce seizures
  • B. Altered renal function, including renal failure
  • C. Blood dyscrasias, which are uncommon but possible
  • D. Central nervous system excitement, leading to insomnia
Correct Answer: C

Rationale: Ethosuximide can rarely cause blood dyscrasias, requiring monitoring.

A 50-year-old woman has just been diagnosed with type 2 diabetes and given a prescription for metformin. Which of the following statements is characteristic of this medication?

  • A. Metformin is inappropriate for initial management of type 2 diabetes
  • B. Metformin decreases hepatic glucose production
  • C. Metformin undergoes significant metabolism via the cytochrome P450 system
  • D. Weight gain is a common adverse effect
Correct Answer: B

Rationale: Metformin reduces hepatic glucose production, a key mechanism in managing type 2 diabetes, and is often a first-line treatment.

What describes the action of a drug on the body?

  • A. Pharmacodynamics
  • B. Pharmacokinetics
  • C. Microbiology
  • D. Physiology
Correct Answer: A

Rationale: Pharmacodynamics studies the effects of a drug on the body, including mechanisms of action and therapeutic effects, unlike pharmacokinetics, which focuses on drug movement.

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