Nokea
What describes the action of the body on the drug?
- A. Pharmacodynamics
- B. Pharmacokinetics
- C. Microbiology
- D. Physiology
Correct Answer: B
Rationale: Pharmacokinetics describes how the body affects a drug, including absorption, distribution, metabolism, and excretion, distinct from pharmacodynamics, which is the drug's effect on the body.
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A nurse is preparing a client's medications. Which of the following actions should the nurse take in following legal practice guidelines? (Select ONE that does not apply.)
- A. Maintain skill competency.
- B. Determine the dosage.
- C. Monitor for adverse effects.
- D. Safeguard medications.
Correct Answer: B
Rationale: Nurses must maintain competency , monitor effects , and safeguard meds ; determining dosage is the prescriber's role.
Long-term monitoring of patients who are taking carbamazepine includes:
- A. Routine troponin levels to assess for cardiac damage
- B. Annual eye examinations to assess for cataract development
- C. Monthly pregnancy tests for all women of childbearing age
- D. Complete blood count every 3 to 4 months
Correct Answer: D
Rationale: CBC monitoring detects carbamazepine-induced blood dyscrasias.
Pharmacokinetics is:
- A. The study of biological and therapeutic effects of drugs
- B. The study of absorption, distribution, metabolism and excretion of drugs
- C. The study of mechanism of drugs
- D. The study of methods of new drug development
Correct Answer: B
Rationale: Pharmacokinetics focuses on how the body handles a drug, including absorption, distribution, metabolism, and excretion (ADME), distinguishing it from pharmacodynamics, which studies drug effects.
The clinic nurse is reviewing a teaching plan for the client receiving an antineoplastic medication. When implementing the plan, the nurse tells the client:
- A. To take aspirin (acetylsalicylic acid) as needed for headache
- B. Drink beverages containing alcohol in moderate amounts each evening
- C. Consult with health care providers (HCPs) before receiving immunizations
- D. That it is not necessary to consult HCPs before receiving a flu vaccine at the local health fair
Correct Answer: C
Rationale: Because antineoplastic medications lower the resistance of the body, clients must be informed not to receive immunizations without a HCP's approval. Clients also need to avoid contact with individuals who have recently received a live virus vaccine. Clients need to avoid aspirin and aspirin-containing products to minimize the risk of bleeding, and they need to avoid alcohol to minimize the risk of toxicity and side effects.
An agonist is substance that:
- A. Interacts with the receptor without producing any effect
- B. Interacts with the receptor and initiates changes in cell function, producing various effects
- C. Increases concentration of another substance to produce effect
- D. Interacts with plasma proteins and doesn't produce any effect
Correct Answer: B
Rationale: An agonist binds receptors and activates them, producing a biological effect.